amadey | bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd

Analysis

max time kernel
144s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 01:26

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General

Target

bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
Size

1.8MB
MD5

5fd2f5ac5b682da3aaa4cf4a5496f62a
SHA1

e660365eaaaf5d7b3b04e0b56fbd7b202e10419e
SHA256

bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd
SHA512

09aa78abbdcdbfb801c3ff9f05e55a9b482e1ccd3f1c5f25dc35d96ef01fe26f7057648737500bd21eb3a49c126a8406ff0dd7c15f3a38067d949c5283b93c75
SSDEEP

49152:Dv4OYm4gUqzObuTe3zHokF+JGOuEqtuwt1VZ1r2cz0iOEws4:Dgdm1UqzO1NFQGOuEvwx6ZiTws

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 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorti.exeexplorti.exebfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exeexplorti.exeEHCAEGDHJK.exe

description	ioc	process
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__	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	EHCAEGDHJK.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 10 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EHCAEGDHJK.exeexplorti.exebfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	EHCAEGDHJK.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\SystemBiosVersion	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	EHCAEGDHJK.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	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe

Checks computer location settings 2 TTPs 4 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exeexplorti.exe4caf0ea1b0.execmd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	explorti.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	4caf0ea1b0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 5 IoCs

Processes:

explorti.exe4caf0ea1b0.exeEHCAEGDHJK.exeexplorti.exeexplorti.exe

pid process

4928 explorti.exe
4212 4caf0ea1b0.exe
4704 EHCAEGDHJK.exe
1772 explorti.exe
4976 explorti.exe

pid	process
4928	explorti.exe
4212	4caf0ea1b0.exe
4704	EHCAEGDHJK.exe
1772	explorti.exe
4976	explorti.exe

Identifies Wine through registry keys 2 TTPs 5 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:

bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exeexplorti.exeEHCAEGDHJK.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Wine	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
Key opened	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Wine	EHCAEGDHJK.exe
Key opened	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

4caf0ea1b0.exe

pid process

4212 4caf0ea1b0.exe
4212 4caf0ea1b0.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
Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs

Processes:

bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exeexplorti.exe4caf0ea1b0.exeEHCAEGDHJK.exeexplorti.exeexplorti.exe

pid process

1156 bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
4928 explorti.exe
4212 4caf0ea1b0.exe
4212 4caf0ea1b0.exe
4704 EHCAEGDHJK.exe
1772 explorti.exe
4976 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe

description ioc process

File created C:\Windows\Tasks\explorti.job bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4212	4caf0ea1b0.exe
4212	4caf0ea1b0.exe

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.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:

4caf0ea1b0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	4caf0ea1b0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4caf0ea1b0.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exeexplorti.exe4caf0ea1b0.exeEHCAEGDHJK.exeexplorti.exeexplorti.exe

pid	process
1156	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
1156	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
4928	explorti.exe
4928	explorti.exe
4212	4caf0ea1b0.exe
4212	4caf0ea1b0.exe
4212	4caf0ea1b0.exe
4212	4caf0ea1b0.exe
4704	EHCAEGDHJK.exe
4704	EHCAEGDHJK.exe
1772	explorti.exe
1772	explorti.exe
4976	explorti.exe
4976	explorti.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4caf0ea1b0.execmd.exe

pid process

4212 4caf0ea1b0.exe
2408 cmd.exe

pid	process
4212	4caf0ea1b0.exe
2408	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exeexplorti.exe4caf0ea1b0.execmd.exe

description	pid	process	target process
PID 1156 wrote to memory of 4928	1156	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe	explorti.exe
PID 1156 wrote to memory of 4928	1156	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe	explorti.exe
PID 1156 wrote to memory of 4928	1156	bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe	explorti.exe
PID 4928 wrote to memory of 4212	4928	explorti.exe	4caf0ea1b0.exe
PID 4928 wrote to memory of 4212	4928	explorti.exe	4caf0ea1b0.exe
PID 4928 wrote to memory of 4212	4928	explorti.exe	4caf0ea1b0.exe
PID 4212 wrote to memory of 4660	4212	4caf0ea1b0.exe	cmd.exe
PID 4212 wrote to memory of 4660	4212	4caf0ea1b0.exe	cmd.exe
PID 4212 wrote to memory of 4660	4212	4caf0ea1b0.exe	cmd.exe
PID 4212 wrote to memory of 2408	4212	4caf0ea1b0.exe	cmd.exe
PID 4212 wrote to memory of 2408	4212	4caf0ea1b0.exe	cmd.exe
PID 4212 wrote to memory of 2408	4212	4caf0ea1b0.exe	cmd.exe
PID 4660 wrote to memory of 4704	4660	cmd.exe	EHCAEGDHJK.exe
PID 4660 wrote to memory of 4704	4660	cmd.exe	EHCAEGDHJK.exe
PID 4660 wrote to memory of 4704	4660	cmd.exe	EHCAEGDHJK.exe

C:\Users\Admin\AppData\Local\Temp\bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe
"C:\Users\Admin\AppData\Local\Temp\bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1156

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
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4928

C:\Users\Admin\AppData\Local\Temp\1000006001\4caf0ea1b0.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\4caf0ea1b0.exe"
3⤵
- Checks computer location settings
- 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:4212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EHCAEGDHJK.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:4660

C:\Users\Admin\AppData\Local\Temp\EHCAEGDHJK.exe
"C:\Users\Admin\AppData\Local\Temp\EHCAEGDHJK.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:4704

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GHJJDGHCBG.exe"
4⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:2408

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:1772

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:4976

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\4caf0ea1b0.exe
Filesize
2.3MB

MD5
8fa2f667ffe5c752120f557689b06e28

SHA1
e2e526d96d606a0d1f35415469c72243de47790f

SHA256
0f5c4151985cf4253b982f9c7719ae75be12897fe6c41d63cd4836c00c1fd0e7

SHA512
acf6c6ac55aa0a6da3cce39ecc90bb47f9bd81dba4d241bf746614c4b7b062526d7b9a326cb92c17a2ca0fc1d8511a8c13a3ad84142eae46b72e214d53bfcf75

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

MD5
5fd2f5ac5b682da3aaa4cf4a5496f62a

SHA1
e660365eaaaf5d7b3b04e0b56fbd7b202e10419e

SHA256
bfe14f1b5c9decad76257e76704d81a18972e9c1632148baa7da5e6eb3cd23dd

SHA512
09aa78abbdcdbfb801c3ff9f05e55a9b482e1ccd3f1c5f25dc35d96ef01fe26f7057648737500bd21eb3a49c126a8406ff0dd7c15f3a38067d949c5283b93c75

Download Submit
memory/1156-0-0x0000000000210000-0x00000000006DC000-memory.dmp

Filesize
4.8MB

Download
memory/1156-5-0x0000000000210000-0x00000000006DC000-memory.dmp

Filesize
4.8MB

Download
memory/1156-17-0x0000000000210000-0x00000000006DC000-memory.dmp

Filesize
4.8MB

Download
memory/1156-3-0x0000000000210000-0x00000000006DC000-memory.dmp

Filesize
4.8MB

Download
memory/1156-2-0x0000000000211000-0x000000000023F000-memory.dmp

Filesize
184KB

Download
memory/1156-1-0x00000000774B4000-0x00000000774B6000-memory.dmp

Filesize
8KB

Download
memory/1772-123-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/1772-121-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4212-108-0x00000000008D0000-0x00000000014AA000-memory.dmp

Filesize
11.9MB

Download
memory/4212-37-0x00000000008D0000-0x00000000014AA000-memory.dmp

Filesize
11.9MB

Download
memory/4212-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4704-112-0x0000000000670000-0x0000000000B3C000-memory.dmp

Filesize
4.8MB

Download
memory/4704-113-0x0000000000670000-0x0000000000B3C000-memory.dmp

Filesize
4.8MB

Download
memory/4928-19-0x0000000000911000-0x000000000093F000-memory.dmp

Filesize
184KB

Download
memory/4928-21-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-124-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-114-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-115-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-116-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-117-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-118-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-125-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-80-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-135-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-20-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-119-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-126-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-127-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-128-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-129-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-18-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-134-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4928-133-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4976-132-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download
memory/4976-131-0x0000000000910000-0x0000000000DDC000-memory.dmp

Filesize
4.8MB

Download