amadey | 4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653

Analysis

max time kernel
146s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
29-06-2024 12:21

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General

Target

4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
Size

2.3MB
MD5

3b011d01740584d96b46363eeb1d4b4e
SHA1

369019873f9e25c48dc2d906fb8a8bd5c6eef1bf
SHA256

4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653
SHA512

380f6cda6343844aeb5bd0241b3b8069f2e669e514f829b2ff526cd1ebaad967c490c5beae8c140b93c6002210708d91333d2f58a19918da578486ea0af76bc2
SSDEEP

49152:xw9AMPh+L1NgmhTlQBcTyHBx1dbIK3ynQP7io2WHOfjGEv1aLt:xpMJ+RNgmhgc0//33ynQPnZ2w

Score

10^/10

amadey stealc 4dd39d default discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

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

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:

CBAKJKJJJE.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	CBAKJKJJJE.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__	explorti.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:

explorti.exeexplorti.exeexplorti.exeCBAKJKJJJE.exeexplorti.exe

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

Executes dropped EXE 6 IoCs

Processes:

CBAKJKJJJE.exeexplorti.exe1f56cc794e.exeexplorti.exeexplorti.exeexplorti.exe

pid process

2276 CBAKJKJJJE.exe
3576 explorti.exe
3880 1f56cc794e.exe
3412 explorti.exe
4960 explorti.exe
4940 explorti.exe

pid	process
2276	CBAKJKJJJE.exe
3576	explorti.exe
3880	1f56cc794e.exe
3412	explorti.exe
4960	explorti.exe
4940	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:

explorti.exeCBAKJKJJJE.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	CBAKJKJJJE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe

pid process

5100 4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
5100 4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.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 8 IoCs

Processes:

4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exeCBAKJKJJJE.exeexplorti.exe1f56cc794e.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
2276	CBAKJKJJJE.exe
3576	explorti.exe
3880	1f56cc794e.exe
3412	explorti.exe
4960	explorti.exe
4940	explorti.exe

Drops file in Windows directory 1 IoCs

Processes:

CBAKJKJJJE.exe

description ioc process

File created C:\Windows\Tasks\explorti.job CBAKJKJJJE.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	CBAKJKJJJE.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:

4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exeCBAKJKJJJE.exeexplorti.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
2276	CBAKJKJJJE.exe
2276	CBAKJKJJJE.exe
3576	explorti.exe
3576	explorti.exe
3412	explorti.exe
3412	explorti.exe
4960	explorti.exe
4960	explorti.exe
4940	explorti.exe
4940	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

CBAKJKJJJE.exe

pid process

2276 CBAKJKJJJE.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.execmd.exe1f56cc794e.exe

pid process

5100 4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
1232 cmd.exe
3880 1f56cc794e.exe

pid	process
2276	CBAKJKJJJE.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.execmd.exeCBAKJKJJJE.exeexplorti.exe

description	pid	process	target process
PID 5100 wrote to memory of 1740	5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe	cmd.exe
PID 5100 wrote to memory of 1740	5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe	cmd.exe
PID 5100 wrote to memory of 1740	5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe	cmd.exe
PID 5100 wrote to memory of 1232	5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe	cmd.exe
PID 5100 wrote to memory of 1232	5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe	cmd.exe
PID 5100 wrote to memory of 1232	5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe	cmd.exe
PID 1740 wrote to memory of 2276	1740	cmd.exe	CBAKJKJJJE.exe
PID 1740 wrote to memory of 2276	1740	cmd.exe	CBAKJKJJJE.exe
PID 1740 wrote to memory of 2276	1740	cmd.exe	CBAKJKJJJE.exe
PID 2276 wrote to memory of 3576	2276	CBAKJKJJJE.exe	explorti.exe
PID 2276 wrote to memory of 3576	2276	CBAKJKJJJE.exe	explorti.exe
PID 2276 wrote to memory of 3576	2276	CBAKJKJJJE.exe	explorti.exe
PID 3576 wrote to memory of 3880	3576	explorti.exe	1f56cc794e.exe
PID 3576 wrote to memory of 3880	3576	explorti.exe	1f56cc794e.exe
PID 3576 wrote to memory of 3880	3576	explorti.exe	1f56cc794e.exe

C:\Users\Admin\AppData\Local\Temp\4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
"C:\Users\Admin\AppData\Local\Temp\4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5100

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CBAKJKJJJE.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\Temp\CBAKJKJJJE.exe
"C:\Users\Admin\AppData\Local\Temp\CBAKJKJJJE.exe"
3⤵
- 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
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2276

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
4⤵
- 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:3576

C:\Users\Admin\AppData\Local\Temp\1000006001\1f56cc794e.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\1f56cc794e.exe"
5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:3880

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EGIDHDGCBF.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1232

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:3412

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:4960

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:4940

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\1f56cc794e.exe
Filesize
2.4MB

MD5
0576ac8a3b5883b31970d0de15764c3c

SHA1
6c4ebf4258d189f5d326f71156cf3c7329c3f04e

SHA256
b80697d7ff9270e262d1c1a1d4afdeca818a3918e75297523839e239e561e3f0

SHA512
ebf7d130e5c2229824e071f928853077ed203ecc591f372aa7efe7e9b5bac080e00b1ecdf2401d95f6b706957d075e9c300d609a16bd799fa49abb758d06b983

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

MD5
73a62aa41f004abf1bf5d9e7bf458ca8

SHA1
774baaf0c5dfce3953cf932371ee16ecd48aff6c

SHA256
e5499c901ea064bf96cedfd96aa54478dbf1e406974cbbec91e091736bad5a90

SHA512
20319e24f5dd28a1eba1961d6e2f563a654a0c15596761e6511b117cdbdfa466b19912f90da83e72ffdefa90353fc750dc46abb92267d7a639d6799ba694dc44

Download Submit
memory/2276-96-0x0000000000BE0000-0x000000000107A000-memory.dmp

Filesize
4.6MB

Download
memory/2276-81-0x0000000000BE0000-0x000000000107A000-memory.dmp

Filesize
4.6MB

Download
memory/2276-82-0x0000000077BE6000-0x0000000077BE8000-memory.dmp

Filesize
8KB

Download
memory/3412-117-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3412-116-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-118-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-131-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-137-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-133-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-132-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-94-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-130-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-129-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-120-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-119-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-121-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-122-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-123-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-124-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3576-128-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/3880-114-0x00000000005D0000-0x00000000011B5000-memory.dmp

Filesize
11.9MB

Download
memory/3880-112-0x00000000005D0000-0x00000000011B5000-memory.dmp

Filesize
11.9MB

Download
memory/4940-135-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/4940-136-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/4960-127-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/4960-126-0x0000000000EA0000-0x000000000133A000-memory.dmp

Filesize
4.6MB

Download
memory/5100-0-0x00000000006E0000-0x00000000012B6000-memory.dmp

Filesize
11.8MB

Download
memory/5100-1-0x000000007F4A0000-0x000000007F871000-memory.dmp

Filesize
3.8MB

Download
memory/5100-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/5100-77-0x00000000006E0000-0x00000000012B6000-memory.dmp

Filesize
11.8MB

Download

pid	process
5100	4674ca5c3b61ba5f2335e76fe2e3ab40f6a2b3dd404cc131eebe2cbcfa10a653.exe
1232	cmd.exe
3880	1f56cc794e.exe