amadey | 41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d

Analysis

max time kernel
145s
max time network
116s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
03-07-2024 00:14

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General

Target

41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
Size

2.4MB
MD5

d961b76024edf043b709ae146a38a4c7
SHA1

e520a1872769d35e045fba592f7987eb97e6f175
SHA256

41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d
SHA512

3b489b80d2f66920872ceec58907ac05b3283bf95bc19a4268c8ff86b0a22ae085d602a8573c09c3cf19d640388d27b0198d72e804c8c727333352d42f17beec
SSDEEP

49152:ixg6k7wKl7hD3KwVD23iA1Vt5//6+b7FA55b1xiJOtieykm87eJJB1bsjbJ1TD:IFk7wKdhbj2ttN6+A5beCm8iJOZBD

Score

10^/10

amadey stealc 4dd39d jony discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

stealc

Botnet

jony

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 4 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

explorti.exeexplorti.exeexplorti.exeECGDBFCBKF.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__	explorti.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ECGDBFCBKF.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 8 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

ECGDBFCBKF.exeexplorti.exeexplorti.exeexplorti.exe

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

Executes dropped EXE 5 IoCs

Processes:

ECGDBFCBKF.exeexplorti.exe4e40317f3d.exeexplorti.exeexplorti.exe

pid process

752 ECGDBFCBKF.exe
2004 explorti.exe
944 4e40317f3d.exe
2488 explorti.exe
2540 explorti.exe

pid	process
752	ECGDBFCBKF.exe
2004	explorti.exe
944	4e40317f3d.exe
2488	explorti.exe
2540	explorti.exe

Identifies Wine through registry keys 2 TTPs 4 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:

ECGDBFCBKF.exeexplorti.exeexplorti.exeexplorti.exe

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

Loads dropped DLL 2 IoCs

Processes:

41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe

pid process

4672 41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
4672 41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.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 13 IoCs

Processes:

41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exeECGDBFCBKF.exeexplorti.exe4e40317f3d.exeexplorti.exeexplorti.exe

pid	process
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
752	ECGDBFCBKF.exe
2004	explorti.exe
944	4e40317f3d.exe
944	4e40317f3d.exe
944	4e40317f3d.exe
944	4e40317f3d.exe
2488	explorti.exe
2540	explorti.exe

Drops file in Windows directory 1 IoCs

Processes:

ECGDBFCBKF.exe

description ioc process

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

41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exeECGDBFCBKF.exeexplorti.exeexplorti.exeexplorti.exe

pid	process
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
752	ECGDBFCBKF.exe
752	ECGDBFCBKF.exe
2004	explorti.exe
2004	explorti.exe
2488	explorti.exe
2488	explorti.exe
2540	explorti.exe
2540	explorti.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

ECGDBFCBKF.exe

pid process

752 ECGDBFCBKF.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.execmd.exe4e40317f3d.exe

pid process

4672 41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
2080 cmd.exe
944 4e40317f3d.exe

pid	process
752	ECGDBFCBKF.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.execmd.exeECGDBFCBKF.exeexplorti.exe

description	pid	process	target process
PID 4672 wrote to memory of 1960	4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe	cmd.exe
PID 4672 wrote to memory of 1960	4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe	cmd.exe
PID 4672 wrote to memory of 1960	4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe	cmd.exe
PID 4672 wrote to memory of 2080	4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe	cmd.exe
PID 4672 wrote to memory of 2080	4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe	cmd.exe
PID 4672 wrote to memory of 2080	4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe	cmd.exe
PID 1960 wrote to memory of 752	1960	cmd.exe	ECGDBFCBKF.exe
PID 1960 wrote to memory of 752	1960	cmd.exe	ECGDBFCBKF.exe
PID 1960 wrote to memory of 752	1960	cmd.exe	ECGDBFCBKF.exe
PID 752 wrote to memory of 2004	752	ECGDBFCBKF.exe	explorti.exe
PID 752 wrote to memory of 2004	752	ECGDBFCBKF.exe	explorti.exe
PID 752 wrote to memory of 2004	752	ECGDBFCBKF.exe	explorti.exe
PID 2004 wrote to memory of 944	2004	explorti.exe	4e40317f3d.exe
PID 2004 wrote to memory of 944	2004	explorti.exe	4e40317f3d.exe
PID 2004 wrote to memory of 944	2004	explorti.exe	4e40317f3d.exe

C:\Users\Admin\AppData\Local\Temp\41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
"C:\Users\Admin\AppData\Local\Temp\41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.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:4672

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\ECGDBFCBKF.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1960

C:\Users\Admin\AppData\Local\Temp\ECGDBFCBKF.exe
"C:\Users\Admin\AppData\Local\Temp\ECGDBFCBKF.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:752

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:2004

C:\Users\Admin\AppData\Local\Temp\1000006001\4e40317f3d.exe
"C:\Users\Admin\AppData\Local\Temp\1000006001\4e40317f3d.exe"
5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:944

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CFCBKKKJJJ.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2080

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:2488

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:2540

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\4e40317f3d.exe
Filesize
2.4MB

MD5
04798fd53f0dbfeca7216b9b3c9ec406

SHA1
204b771ab81b2c0c5bb284425b4f4045b2462d23

SHA256
400897568c8c497e2bf8958053db89b3c9cfdb08277ef7f6b3c64a2181cb5f3c

SHA512
62fe3923c738f267ddddd3386954196dc41255be7f5481d9458a17fe34d2d5dc8d8b2c7a1779d8237f14aeb1d2143636a7c8f4c83b2611be91da83881c055a24

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

MD5
acd81cf9ce251fd8d2eed3a8a611da90

SHA1
9b358819e7fef8fe7c071663ab40ca4184baaf3f

SHA256
31e2098be047ddf2e1d4b1c962f34ce3a497324476952d86c8356bcbcd60b9bf

SHA512
a08d5e676a21a4869ad50cc9b3fc634fa7ba76fe6c35cfbafad674bf6789c64c73d935465bbf7f491ddf61f670a2afbb21df93140f203b31b12fe45469170529

Download Submit
memory/752-100-0x0000000000480000-0x000000000093E000-memory.dmp

Filesize
4.7MB

Download
memory/752-86-0x0000000000480000-0x000000000093E000-memory.dmp

Filesize
4.7MB

Download
memory/944-116-0x0000000000D70000-0x0000000001957000-memory.dmp

Filesize
11.9MB

Download
memory/944-118-0x0000000000D70000-0x0000000001957000-memory.dmp

Filesize
11.9MB

Download
memory/944-122-0x0000000000D70000-0x0000000001957000-memory.dmp

Filesize
11.9MB

Download
memory/944-120-0x0000000000D70000-0x0000000001957000-memory.dmp

Filesize
11.9MB

Download
memory/2004-119-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-127-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-135-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-98-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-131-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-130-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-129-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-117-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-128-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-126-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2004-121-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2488-124-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2488-125-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2540-133-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/2540-134-0x0000000000F40000-0x00000000013FE000-memory.dmp

Filesize
4.7MB

Download
memory/4672-82-0x0000000000590000-0x0000000001182000-memory.dmp

Filesize
11.9MB

Download
memory/4672-4-0x0000000000590000-0x0000000001182000-memory.dmp

Filesize
11.9MB

Download
memory/4672-78-0x0000000000590000-0x0000000001182000-memory.dmp

Filesize
11.9MB

Download
memory/4672-0-0x0000000000590000-0x0000000001182000-memory.dmp

Filesize
11.9MB

Download
memory/4672-1-0x000000007ED60000-0x000000007F131000-memory.dmp

Filesize
3.8MB

Download
memory/4672-2-0x0000000000590000-0x0000000001182000-memory.dmp

Filesize
11.9MB

Download
memory/4672-6-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4672-5-0x0000000000590000-0x0000000001182000-memory.dmp

Filesize
11.9MB

Download
memory/4672-3-0x0000000000590000-0x0000000001182000-memory.dmp

Filesize
11.9MB

Download

pid	process
4672	41312792dcc936995c9e6c4b645482195a80d021ec58837971068afb6416b44d.exe
2080	cmd.exe
944	4e40317f3d.exe