amadey | e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb

Analysis

max time kernel
142s
max time network
116s
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 16:50

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General

Target

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Size

1.8MB
MD5

c5389c16aca7d9e433b1acb5684a430c
SHA1

3d5c8bf3e4e94122d7d0f4c2f425edbbfa51fe4d
SHA256

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb
SHA512

bc48746c3391f68d803ae49b21630273acb5d04d2447ee24d1f0eccae7218edfb266a79145ddf50b818fefd9f1818265ebb69e5c99bb5324e0ea9e6eba867e16
SSDEEP

49152:eJWBDlfEr+CvqTByMdTZc6IlaAGcVHKje04:eJ0fEr+mqlyM5IlaADV8e0

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:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exeCBAKJEHDBG.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	CBAKJEHDBG.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:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeCBAKJEHDBG.exeexplorti.exeexplorti.exeexplorti.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	CBAKJEHDBG.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorti.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.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	CBAKJEHDBG.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

Executes dropped EXE 5 IoCs

Processes:

explorti.exeaf6c68e303.exeCBAKJEHDBG.exeexplorti.exeexplorti.exe

pid process

5100 explorti.exe
3512 af6c68e303.exe
3504 CBAKJEHDBG.exe
2240 explorti.exe
4120 explorti.exe

pid	process
5100	explorti.exe
3512	af6c68e303.exe
3504	CBAKJEHDBG.exe
2240	explorti.exe
4120	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:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exeCBAKJEHDBG.exeexplorti.exeexplorti.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Key opened	\REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine	CBAKJEHDBG.exe
Key opened	\REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine	explorti.exe
Key opened	\REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine	explorti.exe

Loads dropped DLL 2 IoCs

Processes:

af6c68e303.exe

pid process

3512 af6c68e303.exe
3512 af6c68e303.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:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exeaf6c68e303.exeCBAKJEHDBG.exeexplorti.exeexplorti.exe

pid process

2588 e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
5100 explorti.exe
3512 af6c68e303.exe
3512 af6c68e303.exe
3504 CBAKJEHDBG.exe
2240 explorti.exe
4120 explorti.exe
Drops file in Windows directory 1 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

description ioc process

File created C:\Windows\Tasks\explorti.job e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3512	af6c68e303.exe
3512	af6c68e303.exe

description	ioc	process
File created	C:\Windows\Tasks\explorti.job	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.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:

af6c68e303.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	af6c68e303.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	af6c68e303.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exeaf6c68e303.exeCBAKJEHDBG.exeexplorti.exeexplorti.exe

pid	process
2588	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
2588	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
5100	explorti.exe
5100	explorti.exe
3512	af6c68e303.exe
3512	af6c68e303.exe
3512	af6c68e303.exe
3512	af6c68e303.exe
3504	CBAKJEHDBG.exe
3504	CBAKJEHDBG.exe
2240	explorti.exe
2240	explorti.exe
4120	explorti.exe
4120	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe

pid process

2588 e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

af6c68e303.execmd.exe

pid process

3512 af6c68e303.exe
3112 cmd.exe

pid	process
3512	af6c68e303.exe
3112	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exeexplorti.exeaf6c68e303.execmd.exe

description	pid	process	target process
PID 2588 wrote to memory of 5100	2588	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe	explorti.exe
PID 2588 wrote to memory of 5100	2588	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe	explorti.exe
PID 2588 wrote to memory of 5100	2588	e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe	explorti.exe
PID 5100 wrote to memory of 3512	5100	explorti.exe	af6c68e303.exe
PID 5100 wrote to memory of 3512	5100	explorti.exe	af6c68e303.exe
PID 5100 wrote to memory of 3512	5100	explorti.exe	af6c68e303.exe
PID 3512 wrote to memory of 2352	3512	af6c68e303.exe	cmd.exe
PID 3512 wrote to memory of 2352	3512	af6c68e303.exe	cmd.exe
PID 3512 wrote to memory of 2352	3512	af6c68e303.exe	cmd.exe
PID 3512 wrote to memory of 3112	3512	af6c68e303.exe	cmd.exe
PID 3512 wrote to memory of 3112	3512	af6c68e303.exe	cmd.exe
PID 3512 wrote to memory of 3112	3512	af6c68e303.exe	cmd.exe
PID 2352 wrote to memory of 3504	2352	cmd.exe	CBAKJEHDBG.exe
PID 2352 wrote to memory of 3504	2352	cmd.exe	CBAKJEHDBG.exe
PID 2352 wrote to memory of 3504	2352	cmd.exe	CBAKJEHDBG.exe

C:\Users\Admin\AppData\Local\Temp\e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.exe
"C:\Users\Admin\AppData\Local\Temp\e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2588

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:5100

C:\Users\Admin\AppData\Local\Temp\1000006001\af6c68e303.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\af6c68e303.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:3512

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CBAKJEHDBG.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:2352

C:\Users\Admin\AppData\Local\Temp\CBAKJEHDBG.exe
"C:\Users\Admin\AppData\Local\Temp\CBAKJEHDBG.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:3504

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FBAFIIJKJE.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:3112

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:2240

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:4120

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\af6c68e303.exe
Filesize
2.4MB

MD5
853f97821f33b411e011296b97d0cff3

SHA1
99824a9224dd7e097cbc5804d2d9536555ef95ee

SHA256
d1f04b4bea67cbc6f469855826505a16e706b514858fa73c123df263ad34a292

SHA512
71bbd39e471766bcc4b4418d39ad0476cf3b894f9833be971df9b0c7a8691d51017c7f196a21844af19a0b7c5fe8f8bb05492ebf4013d05fbb29903a834e4fa2

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

MD5
c5389c16aca7d9e433b1acb5684a430c

SHA1
3d5c8bf3e4e94122d7d0f4c2f425edbbfa51fe4d

SHA256
e92089c1bcd9543515ccada144422b83f9f0b39b3fc0762d79d6619138a224cb

SHA512
bc48746c3391f68d803ae49b21630273acb5d04d2447ee24d1f0eccae7218edfb266a79145ddf50b818fefd9f1818265ebb69e5c99bb5324e0ea9e6eba867e16

Download Submit
memory/2240-120-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/2240-121-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/2588-0-0x0000000000900000-0x0000000000DAE000-memory.dmp

Filesize
4.7MB

Download
memory/2588-18-0x0000000000900000-0x0000000000DAE000-memory.dmp

Filesize
4.7MB

Download
memory/2588-5-0x0000000000900000-0x0000000000DAE000-memory.dmp

Filesize
4.7MB

Download
memory/2588-3-0x0000000000900000-0x0000000000DAE000-memory.dmp

Filesize
4.7MB

Download
memory/2588-2-0x0000000000901000-0x000000000092F000-memory.dmp

Filesize
184KB

Download
memory/2588-1-0x00000000778A6000-0x00000000778A8000-memory.dmp

Filesize
8KB

Download
memory/3504-112-0x0000000000B20000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/3504-114-0x0000000000B20000-0x0000000000FCE000-memory.dmp

Filesize
4.7MB

Download
memory/3512-37-0x0000000000E10000-0x00000000019E5000-memory.dmp

Filesize
11.8MB

Download
memory/3512-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3512-108-0x0000000000E10000-0x00000000019E5000-memory.dmp

Filesize
11.8MB

Download
memory/4120-129-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/4120-130-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-20-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-124-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-116-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-117-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-118-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-104-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-21-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-122-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-123-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-115-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-125-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-126-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-127-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-19-0x0000000000D91000-0x0000000000DBF000-memory.dmp

Filesize
184KB

Download
memory/5100-16-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-131-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-132-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-133-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-134-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download
memory/5100-135-0x0000000000D90000-0x000000000123E000-memory.dmp

Filesize
4.7MB

Download