plugx | fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0

Analysis

max time kernel
152s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/11/2022, 18:36

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General

Target
fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe
Size 2.0MB
Sample221130-w83v5sha3s
SHA256 fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0
MD5 01468a69ca8676b51a357676e0856c88
SHA1 4413a7f864255767a6d84c3e8362b9873a7e224b
SHA512 d0d516c96c14e4ec5dded82e80f82a3ff6b2f8c2aae63b8f0e8667aea6e07e52e8dcf2ee7939304ef2303b07a4b8ca6e6c64f985a508d57aad79440d479d68b8
SSDEEP 49152:Na175O/mZxrkaH1EN5/yxnxEil7F8vSZBWwj186KQGwi38KQrF+FO7p1FzohbJqE:uO/mZxbHW7yxnxECF8vSZBW+Pbi38KQU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

plugx trojan

Malware Config

Signatures

Detects PlugX payload 5 IoCs

resource	yara_rule
behavioral2/memory/5008-149-0x0000000002A40000-0x0000000002A6E000-memory.dmp	family_plugx
behavioral2/memory/2668-150-0x0000000000950000-0x000000000097E000-memory.dmp	family_plugx
behavioral2/memory/2620-152-0x0000000001320000-0x000000000134E000-memory.dmp	family_plugx
behavioral2/memory/2668-153-0x0000000000950000-0x000000000097E000-memory.dmp	family_plugx
behavioral2/memory/2620-154-0x0000000001320000-0x000000000134E000-memory.dmp	family_plugx

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx

Executes dropped EXE 1 IoCs

pid	Process
5008	rudiment.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\meekness.lnk	rudiment.exe

Loads dropped DLL 1 IoCs

pid	Process
5008	rudiment.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\CLASSES\MJ	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\MJ\CLSID = 34003800310039003100450041003800300045003700420042003000380036000000	svchost.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4944	WINWORD.EXE
4944	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3364	fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe
3364	fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2668	svchost.exe
2668	svchost.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2668	svchost.exe
2668	svchost.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2668	svchost.exe
2668	svchost.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe
2620	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2668	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5008	rudiment.exe
Token: SeTcbPrivilege	5008	rudiment.exe
Token: SeDebugPrivilege	2668	svchost.exe
Token: SeTcbPrivilege	2668	svchost.exe
Token: SeDebugPrivilege	2620	msiexec.exe
Token: SeTcbPrivilege	2620	msiexec.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3364	fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe
3364	fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe
4944	WINWORD.EXE
4944	WINWORD.EXE
4944	WINWORD.EXE
4944	WINWORD.EXE
4944	WINWORD.EXE
4944	WINWORD.EXE
4944	WINWORD.EXE
4944	WINWORD.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 5008	3364	fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe	85
PID 3364 wrote to memory of 5008	3364	fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe	85
PID 3364 wrote to memory of 5008	3364	fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe	85
PID 5008 wrote to memory of 2668	5008	rudiment.exe	86
PID 5008 wrote to memory of 2668	5008	rudiment.exe	86
PID 5008 wrote to memory of 2668	5008	rudiment.exe	86
PID 5008 wrote to memory of 2668	5008	rudiment.exe	86
PID 5008 wrote to memory of 2668	5008	rudiment.exe	86
PID 5008 wrote to memory of 2668	5008	rudiment.exe	86
PID 5008 wrote to memory of 2668	5008	rudiment.exe	86
PID 5008 wrote to memory of 2668	5008	rudiment.exe	86
PID 2668 wrote to memory of 2620	2668	svchost.exe	88
PID 2668 wrote to memory of 2620	2668	svchost.exe	88
PID 2668 wrote to memory of 2620	2668	svchost.exe	88
PID 2668 wrote to memory of 2620	2668	svchost.exe	88
PID 2668 wrote to memory of 2620	2668	svchost.exe	88
PID 2668 wrote to memory of 2620	2668	svchost.exe	88
PID 2668 wrote to memory of 2620	2668	svchost.exe	88
PID 2668 wrote to memory of 2620	2668	svchost.exe	88

C:\Users\Admin\AppData\Local\Temp\fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe
"C:\Users\Admin\AppData\Local\Temp\fcccc611730474775ff1cfd4c60481deef586f01191348b07d7a143d174a07b0.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Users\Admin\AppData\Local\Temp\rudiment.exe
  C:\Users\Admin\AppData\Local\Temp\rudiment.exe
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5008
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - C:\Windows\SysWOW64\msiexec.exe
      C:\Windows\SysWOW64\msiexec.exe
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2620

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

psychiatry.dat

Path C:\Users\Admin\AppData\Local\Temp\psychiatry.dat
Size 116KB
SHA256 e8f264c16e5cd4d759e4951ebf57d132e8d9109a5fc3c9d811d7bdf65128e3d8
MD5 90ef80a48d17d9a4930389fdf2f836dc
SHA1 48dfb3dabde972b6989eba4f37ec45baee72d12a
SHA512 82204ea9e1d9dfbb6cad1d8e8613a05c18aa3ec917408dfd14fc47972c24819f47d6c5b0621db89cfad1ff20d7bd703d70a24566337e85a7c519f9ef4c3b3dc7
SSDEEP 1536:TRGQx0cBdBQ4rRJ5hLoSUt3DotwbeIyv9bLgCUvGg1tw5nZApIldsWDWq228Opv:NGQxJVQmRJ5hyDXiIyZGbAXMq22jp
MD5 SHA1 SHA512 SSDEEP

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rudiment.exe

Path C:\Users\Admin\AppData\Local\Temp\rudiment.exe
Size 47KB
SHA256 1e712adae2a543bf2fbf41691416b350c3a90561ab5f6590e520f833a9a587ad
MD5 b5bdaba69689e8be57ce78bb6845e4f0
SHA1 573c35ab1f243d6806dedbdd7e3265bc5cbd5b9a
SHA512 e79aaa4ac9b79ce7008155fddafc1bee58aae67d4ab6a0308702a9d47c29e83583c6786f2fa0c3812e50ef6eea1de981f5108ca752837b5edb8041236ff3c6c5
SSDEEP 768:lEONU9LwywsX/GPaihnn0cWB6F8KJC6RxJP+IV:lE5Lq4ahnn7zNRxzV
MD5 SHA1 SHA512 SSDEEP

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rudiment.exe

Path C:\Users\Admin\AppData\Local\Temp\rudiment.exe
Size 47KB
SHA256 1e712adae2a543bf2fbf41691416b350c3a90561ab5f6590e520f833a9a587ad
MD5 b5bdaba69689e8be57ce78bb6845e4f0
SHA1 573c35ab1f243d6806dedbdd7e3265bc5cbd5b9a
SHA512 e79aaa4ac9b79ce7008155fddafc1bee58aae67d4ab6a0308702a9d47c29e83583c6786f2fa0c3812e50ef6eea1de981f5108ca752837b5edb8041236ff3c6c5
SSDEEP 768:lEONU9LwywsX/GPaihnn0cWB6F8KJC6RxJP+IV:lE5Lq4ahnn7zNRxzV
MD5 SHA1 SHA512 SSDEEP

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vsodscpl.DLL

Path C:\Users\Admin\AppData\Local\Temp\vsodscpl.DLL
Size 112KB
SHA256 9e9e347f21050f6fa9d913c53fa7cf38ca28878c3129294ce3ce484590bea983
MD5 a461c190ea6ad293db576691a50ddd7e
SHA1 52f21d0f8af5d94059432808ecd856f5dcf4cec1
SHA512 16636c08f31c4c9fcf10ef1658593c6fffc96c24396af783d5c183d94f98f2cbac224332fd36cc655baaa382b432ae9f71043fd22e278633a9df85c05cdbb9e6
SSDEEP 1536:t1xg25lsr4OmndwxDtfKBVk3Ley6cAqdVSlZaBP4fnkYgjohmyDTaFWAHP4Kq0Qh:t19Qrfsw3oxaak07g0srvpq0Qh
MD5 SHA1 SHA512 SSDEEP

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vsodscpl.dll

Path C:\Users\Admin\AppData\Local\Temp\vsodscpl.dll
Size 112KB
SHA256 9e9e347f21050f6fa9d913c53fa7cf38ca28878c3129294ce3ce484590bea983
MD5 a461c190ea6ad293db576691a50ddd7e
SHA1 52f21d0f8af5d94059432808ecd856f5dcf4cec1
SHA512 16636c08f31c4c9fcf10ef1658593c6fffc96c24396af783d5c183d94f98f2cbac224332fd36cc655baaa382b432ae9f71043fd22e278633a9df85c05cdbb9e6
SSDEEP 1536:t1xg25lsr4OmndwxDtfKBVk3Ley6cAqdVSlZaBP4fnkYgjohmyDTaFWAHP4Kq0Qh:t19Qrfsw3oxaak07g0srvpq0Qh
MD5 SHA1 SHA512 SSDEEP

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memory/2620-154-0x0000000001320000-0x000000000134E000-memory.dmp

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memory/2620-152-0x0000000001320000-0x000000000134E000-memory.dmp

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memory/2668-153-0x0000000000950000-0x000000000097E000-memory.dmp

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memory/2668-150-0x0000000000950000-0x000000000097E000-memory.dmp

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memory/3364-133-0x0000000000A80000-0x0000000000C83000-memory.dmp

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memory/3364-132-0x0000000000A80000-0x0000000000C83000-memory.dmp

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memory/4944-136-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/4944-134-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/4944-135-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/4944-138-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/4944-137-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/4944-140-0x00007FFA7F4B0000-0x00007FFA7F4C0000-memory.dmp

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memory/4944-139-0x00007FFA7F4B0000-0x00007FFA7F4C0000-memory.dmp

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memory/4944-156-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/4944-157-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/4944-158-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/4944-159-0x00007FFA81510000-0x00007FFA81520000-memory.dmp

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memory/5008-149-0x0000000002A40000-0x0000000002A6E000-memory.dmp

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