amadey | d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17

Analysis

max time kernel
148s
max time network
119s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 22:28

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General

Target

d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
Size

1.8MB
MD5

0c791ddc4777b1c7b6dd3bd0578f36ed
SHA1

4088bc0adffba6aff5eb6c7148e7585630d022f7
SHA256

d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17
SHA512

da7583a9d449f3e728a8da0b361dfdada13ecca2ffa2507f0fb96ee9902a4a07dc670d39a4121fe6208ea09dbb9b5d617cf79e2b2641a13a6822828a0214c50a
SSDEEP

49152:uHYWrcylbBHKGczLkF3U2DX2xq0At6/C86QPdTUiWs/S6Lq:u4YJFKzLk7DuVimVoCSQq

Score

10^/10

amadey stealc 4dd39d default discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Stealc
Stealc is an infostealer written in C++.
stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 6 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

KKFBFCAFCB.exeexplorti.exeexplorti.exeexplorti.exed0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	KKFBFCAFCB.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 12 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exeKKFBFCAFCB.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	KKFBFCAFCB.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	KKFBFCAFCB.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe

Executes dropped EXE 6 IoCs

Processes:

explorti.exe9f8606f966.exeKKFBFCAFCB.exeexplorti.exeexplorti.exeexplorti.exe

pid process

4844 explorti.exe
1548 9f8606f966.exe
3276 KKFBFCAFCB.exe
5008 explorti.exe
4464 explorti.exe
3900 explorti.exe

pid	process
4844	explorti.exe
1548	9f8606f966.exe
3276	KKFBFCAFCB.exe
5008	explorti.exe
4464	explorti.exe
3900	explorti.exe

Identifies Wine through registry keys 2 TTPs 6 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorti.exeexplorti.exeexplorti.exed0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exeexplorti.exeKKFBFCAFCB.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine	KKFBFCAFCB.exe

Loads dropped DLL 2 IoCs

Processes:

9f8606f966.exe

pid process

1548 9f8606f966.exe
1548 9f8606f966.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
1548	9f8606f966.exe
1548	9f8606f966.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

Processes:

d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exeexplorti.exe9f8606f966.exeKKFBFCAFCB.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
1976	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
4844	explorti.exe
1548	9f8606f966.exe
1548	9f8606f966.exe
3276	KKFBFCAFCB.exe
5008	explorti.exe
4464	explorti.exe
3900	explorti.exe

Drops file in Windows directory 1 IoCs

Processes:

d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe

description ioc process

File created C:\Windows\Tasks\explorti.job d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9f8606f966.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9f8606f966.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9f8606f966.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exeexplorti.exe9f8606f966.exeKKFBFCAFCB.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
1976	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
1976	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
4844	explorti.exe
4844	explorti.exe
1548	9f8606f966.exe
1548	9f8606f966.exe
1548	9f8606f966.exe
1548	9f8606f966.exe
3276	KKFBFCAFCB.exe
3276	KKFBFCAFCB.exe
5008	explorti.exe
5008	explorti.exe
4464	explorti.exe
4464	explorti.exe
3900	explorti.exe
3900	explorti.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

9f8606f966.execmd.exe

pid process

1548 9f8606f966.exe
2324 cmd.exe

pid	process
1548	9f8606f966.exe
2324	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exeexplorti.exe9f8606f966.execmd.exe

description	pid	process	target process
PID 1976 wrote to memory of 4844	1976	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe	explorti.exe
PID 1976 wrote to memory of 4844	1976	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe	explorti.exe
PID 1976 wrote to memory of 4844	1976	d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe	explorti.exe
PID 4844 wrote to memory of 1548	4844	explorti.exe	9f8606f966.exe
PID 4844 wrote to memory of 1548	4844	explorti.exe	9f8606f966.exe
PID 4844 wrote to memory of 1548	4844	explorti.exe	9f8606f966.exe
PID 1548 wrote to memory of 3920	1548	9f8606f966.exe	cmd.exe
PID 1548 wrote to memory of 3920	1548	9f8606f966.exe	cmd.exe
PID 1548 wrote to memory of 3920	1548	9f8606f966.exe	cmd.exe
PID 1548 wrote to memory of 2324	1548	9f8606f966.exe	cmd.exe
PID 1548 wrote to memory of 2324	1548	9f8606f966.exe	cmd.exe
PID 1548 wrote to memory of 2324	1548	9f8606f966.exe	cmd.exe
PID 3920 wrote to memory of 3276	3920	cmd.exe	KKFBFCAFCB.exe
PID 3920 wrote to memory of 3276	3920	cmd.exe	KKFBFCAFCB.exe
PID 3920 wrote to memory of 3276	3920	cmd.exe	KKFBFCAFCB.exe

C:\Users\Admin\AppData\Local\Temp\d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe
"C:\Users\Admin\AppData\Local\Temp\d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1976

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4844

C:\Users\Admin\AppData\Local\Temp\1000006001\9f8606f966.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\9f8606f966.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1548

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KKFBFCAFCB.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:3920

C:\Users\Admin\AppData\Local\Temp\KKFBFCAFCB.exe
"C:\Users\Admin\AppData\Local\Temp\KKFBFCAFCB.exe"
5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3276

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IDBKFHJEBA.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:2324

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:5008

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4464

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3900

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\1000006001\9f8606f966.exe
Filesize
2.4MB

MD5
b58a3998f5ce749fd2dd6b8651fde46c

SHA1
94bac5909d2b5f2313d810f04587db3c67c9dd5a

SHA256
7d094695351abc8285aea7a0612764ca1d12ef7b0c44aca25ed560ac1d407c3d

SHA512
db074390fe7b8dfa26a10d0dcca56f3d66d72eba96ddc6b7650e7b8c45e0de58805abe43d8f93e3291687ff075d900676552d6a3f7ac3c7b2d388c9f52111da4

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
Filesize
1.8MB

MD5
0c791ddc4777b1c7b6dd3bd0578f36ed

SHA1
4088bc0adffba6aff5eb6c7148e7585630d022f7

SHA256
d0c21eecc92e1ebc0075a06e18b11a3d7e56d7ab81d56834054ae57a9f893c17

SHA512
da7583a9d449f3e728a8da0b361dfdada13ecca2ffa2507f0fb96ee9902a4a07dc670d39a4121fe6208ea09dbb9b5d617cf79e2b2641a13a6822828a0214c50a

Download Submit
memory/1548-109-0x0000000000390000-0x0000000000F82000-memory.dmp

Filesize
11.9MB

Download
memory/1548-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1548-37-0x0000000000390000-0x0000000000F82000-memory.dmp

Filesize
11.9MB

Download
memory/1976-5-0x0000000000E10000-0x00000000012D5000-memory.dmp

Filesize
4.8MB

Download
memory/1976-17-0x0000000000E10000-0x00000000012D5000-memory.dmp

Filesize
4.8MB

Download
memory/1976-3-0x0000000000E10000-0x00000000012D5000-memory.dmp

Filesize
4.8MB

Download
memory/1976-2-0x0000000000E11000-0x0000000000E3F000-memory.dmp

Filesize
184KB

Download
memory/1976-0-0x0000000000E10000-0x00000000012D5000-memory.dmp

Filesize
4.8MB

Download
memory/1976-1-0x00000000770A6000-0x00000000770A8000-memory.dmp

Filesize
8KB

Download
memory/3276-115-0x00000000005F0000-0x0000000000AB5000-memory.dmp

Filesize
4.8MB

Download
memory/3276-113-0x00000000005F0000-0x0000000000AB5000-memory.dmp

Filesize
4.8MB

Download
memory/3900-138-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/3900-139-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4464-130-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4464-129-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-116-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-127-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-117-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-118-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-18-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-20-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-122-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-123-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-124-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-125-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-126-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-104-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-21-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-19-0x0000000000341000-0x000000000036F000-memory.dmp

Filesize
184KB

Download
memory/4844-131-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-132-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-133-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-134-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-135-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/4844-136-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/5008-121-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download
memory/5008-120-0x0000000000340000-0x0000000000805000-memory.dmp

Filesize
4.8MB

Download