plugx | 9ff40de5a55aa6b5cf34c61acd52a26f77c6eb5cf1d464e0e651a046227a7b78

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-02-2024 16:09

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General

Target

LZMA.exe
Size

388KB
MD5

89266366e2c712e8b47b2b9ed30d60b7
SHA1

a94bb0440fe6c0d7a6c102037561ffbe6203a251
SHA256

f7369777a4fee1b2e8282f30dc355c3216e4fdc7018912f2a7444026f9edafd0
SHA512

385916c9bbc9a4d7474bfcc68c4fb281e2f3d6df5c11a114b8646400f8a822a5c945f80de2d8d97547e58971b03bcada2f28fc2f259db07ea1880b3fa68b3d95
SSDEEP

12288:1PzUcyOjaTbV7DWZzZg1iuc30Oy7CxMFr:Vz1y6AbV+qwEr

Score

10^/10

plugx trojan

Malware Config

Signatures

Detects PlugX payload 25 IoCs

resource	yara_rule
behavioral1/memory/2932-1-0x00000000008D0000-0x00000000008FD000-memory.dmp	family_plugx
behavioral1/memory/2932-2-0x00000000008D0000-0x00000000008FD000-memory.dmp	family_plugx
behavioral1/memory/1760-20-0x00000000008A0000-0x00000000008CD000-memory.dmp	family_plugx
behavioral1/memory/1760-21-0x00000000008A0000-0x00000000008CD000-memory.dmp	family_plugx
behavioral1/memory/2884-25-0x0000000000160000-0x000000000018D000-memory.dmp	family_plugx
behavioral1/memory/2884-26-0x0000000000160000-0x000000000018D000-memory.dmp	family_plugx
behavioral1/memory/2832-36-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2884-38-0x0000000000160000-0x000000000018D000-memory.dmp	family_plugx
behavioral1/memory/2832-39-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2932-43-0x00000000008D0000-0x00000000008FD000-memory.dmp	family_plugx
behavioral1/memory/2832-51-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2832-52-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2832-53-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2832-54-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2832-57-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2832-58-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/1760-62-0x00000000008A0000-0x00000000008CD000-memory.dmp	family_plugx
behavioral1/memory/2472-69-0x00000000001A0000-0x00000000001CD000-memory.dmp	family_plugx
behavioral1/memory/2472-70-0x00000000001A0000-0x00000000001CD000-memory.dmp	family_plugx
behavioral1/memory/2472-73-0x00000000001A0000-0x00000000001CD000-memory.dmp	family_plugx
behavioral1/memory/2472-74-0x00000000001A0000-0x00000000001CD000-memory.dmp	family_plugx
behavioral1/memory/2472-75-0x00000000001A0000-0x00000000001CD000-memory.dmp	family_plugx
behavioral1/memory/2832-76-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2472-77-0x00000000001F0000-0x000000000021D000-memory.dmp	family_plugx
behavioral1/memory/2472-78-0x00000000001A0000-0x00000000001CD000-memory.dmp	family_plugx

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

Deletes itself 1 IoCs

pid	Process
1760	LZMA.exe

Executes dropped EXE 2 IoCs

pid	Process
1760	LZMA.exe
2884	LZMA.exe

Loads dropped DLL 2 IoCs

pid	Process
1760	LZMA.exe
2884	LZMA.exe

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	182.16.12.250
Destination IP	182.16.12.250
Destination IP	182.16.12.250

Modifies registry class 2 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 41003400360042003700420038003900460039003900420043003500330036000000	svchost.exe
Key created	\REGISTRY\MACHINE\Software\CLASSES\FAST	svchost.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2832	svchost.exe
2472	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2932	LZMA.exe
2932	LZMA.exe
1760	LZMA.exe
2832	svchost.exe
2832	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2832	svchost.exe
2832	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2832	svchost.exe
2832	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2832	svchost.exe
2832	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2832	svchost.exe
2832	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2472	svchost.exe
2832	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2832	svchost.exe
2472	svchost.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	LZMA.exe
Token: SeTcbPrivilege	2932	LZMA.exe
Token: SeDebugPrivilege	1760	LZMA.exe
Token: SeTcbPrivilege	1760	LZMA.exe
Token: SeDebugPrivilege	2884	LZMA.exe
Token: SeTcbPrivilege	2884	LZMA.exe
Token: SeDebugPrivilege	2832	svchost.exe
Token: SeTcbPrivilege	2832	svchost.exe
Token: SeDebugPrivilege	2472	svchost.exe
Token: SeTcbPrivilege	2472	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2884 wrote to memory of 2832	2884	LZMA.exe	33
PID 2832 wrote to memory of 2472	2832	svchost.exe	34
PID 2832 wrote to memory of 2472	2832	svchost.exe	34
PID 2832 wrote to memory of 2472	2832	svchost.exe	34
PID 2832 wrote to memory of 2472	2832	svchost.exe	34
PID 2832 wrote to memory of 2472	2832	svchost.exe	34
PID 2832 wrote to memory of 2472	2832	svchost.exe	34
PID 2832 wrote to memory of 2472	2832	svchost.exe	34
PID 2832 wrote to memory of 2472	2832	svchost.exe	34
PID 2832 wrote to memory of 2472	2832	svchost.exe	34

C:\Users\Admin\AppData\Local\Temp\LZMA.exe
"C:\Users\Admin\AppData\Local\Temp\LZMA.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2932

C:\ProgramData\Microsoft\CryptSvcser\LZMA.exe
"C:\ProgramData\Microsoft\CryptSvcser\LZMA.exe" 100 2932
1⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1760

C:\ProgramData\Microsoft\CryptSvcser\LZMA.exe
"C:\ProgramData\Microsoft\CryptSvcser\LZMA.exe" 200 0
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe 201 0
  2⤵
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe 209 2832
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\CryptSvcser\LZMA.exe

Filesize
388KB

MD5
89266366e2c712e8b47b2b9ed30d60b7

SHA1
a94bb0440fe6c0d7a6c102037561ffbe6203a251

SHA256
f7369777a4fee1b2e8282f30dc355c3216e4fdc7018912f2a7444026f9edafd0

SHA512
385916c9bbc9a4d7474bfcc68c4fb281e2f3d6df5c11a114b8646400f8a822a5c945f80de2d8d97547e58971b03bcada2f28fc2f259db07ea1880b3fa68b3d95

Download Submit
C:\ProgramData\Microsoft\CryptSvcser\expatai.dll

Filesize
400KB

MD5
dd55071ced298687339566cbe9b23c40

SHA1
1b5f760daab97658f7c0f7c28db35f10bde761bb

SHA256
ed10a005bbab4385775e5964586bad0c1d267edbf87ce98feb3cc7135877cca1

SHA512
ae9753860775be0039463c408e080a2541465562702c2407b46d3ab15dacdae6721325eb60ae72e0b389da2524e6122593a6f9bf42f1c2df5c2cb8463c4026c8

Download Submit
C:\ProgramData\Microsoft\CryptSvcser\update.log

Filesize
228KB

MD5
fc5100b1fc7e642bf76fdc3df1846df5

SHA1
664d22bc60a7cd08b8ba5aee9f045fa21de719cb

SHA256
8a7e960d9aefce2bc6c515e63a46ea5d6e7db964301eb8a26c3dd561707eac77

SHA512
46cc8e84c7e5668e4fa5da0eabab725da2c5c93bfcce6d7774e668b3e011c6f24d9e0513aac097366504e1139525879b9a43b128c37c719c0a25401ceb9fbe47

Download Submit
memory/1760-20-0x00000000008A0000-0x00000000008CD000-memory.dmp

Filesize
180KB

Download
memory/1760-62-0x00000000008A0000-0x00000000008CD000-memory.dmp

Filesize
180KB

Download
memory/1760-21-0x00000000008A0000-0x00000000008CD000-memory.dmp

Filesize
180KB

Download
memory/2472-77-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2472-78-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/2472-75-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/2472-74-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/2472-73-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/2472-71-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2472-72-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2472-70-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/2472-69-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/2832-50-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2832-36-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-76-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-31-0x00000000000E0000-0x00000000000FB000-memory.dmp

Filesize
108KB

Download
memory/2832-51-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-52-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-53-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-54-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-57-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-58-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-33-0x0000000000100000-0x0000000000102000-memory.dmp

Filesize
8KB

Download
memory/2832-39-0x00000000001F0000-0x000000000021D000-memory.dmp

Filesize
180KB

Download
memory/2832-35-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2832-27-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2884-38-0x0000000000160000-0x000000000018D000-memory.dmp

Filesize
180KB

Download
memory/2884-26-0x0000000000160000-0x000000000018D000-memory.dmp

Filesize
180KB

Download
memory/2884-25-0x0000000000160000-0x000000000018D000-memory.dmp

Filesize
180KB

Download
memory/2932-0-0x0000000000950000-0x0000000000A50000-memory.dmp

Filesize
1024KB

Download
memory/2932-43-0x00000000008D0000-0x00000000008FD000-memory.dmp

Filesize
180KB

Download
memory/2932-2-0x00000000008D0000-0x00000000008FD000-memory.dmp

Filesize
180KB

Download
memory/2932-1-0x00000000008D0000-0x00000000008FD000-memory.dmp

Filesize
180KB

Download