plugx | 748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66

Analysis

max time kernel
187s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25-06-2022 17:37

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General

Target

748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66.exe
Size

322KB
MD5

deacce089de71aa3d685e4b5fd84cccb
SHA1

0e59ed3c487e54e188012ad9990553b4eae04624
SHA256

748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66
SHA512

34ac9e7d7a2d05d82726d54d1325dc46aa230ceea164b8de725c0660947b90fcadb69ad59225af00275f6384d13b841dc6ceb756772f20a608fd602bd4c615b4

Score

10^/10

plugx trojan

Malware Config

Signatures

Detects PlugX Payload 6 IoCs

resource	yara_rule
behavioral2/memory/4116-143-0x0000000002190000-0x00000000021E1000-memory.dmp	family_plugx
behavioral2/memory/5108-144-0x0000000000E30000-0x0000000000E81000-memory.dmp	family_plugx
behavioral2/memory/2172-148-0x0000000001990000-0x00000000019E1000-memory.dmp	family_plugx
behavioral2/memory/4020-150-0x0000000002BF0000-0x0000000002C41000-memory.dmp	family_plugx
behavioral2/memory/2172-151-0x0000000001990000-0x00000000019E1000-memory.dmp	family_plugx
behavioral2/memory/4020-152-0x0000000002BF0000-0x0000000002C41000-memory.dmp	family_plugx

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

Executes dropped EXE 3 IoCs

pid	Process
4116	ssonsvr.exe
5108	ssonsvr.exe
3352	AOFVPMJXVT.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66.exe

Loads dropped DLL 2 IoCs

pid	Process
4116	ssonsvr.exe
5108	ssonsvr.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 17 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Post Platform	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Post Platform	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent	svchost.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\CLASSES\FAST	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 42003900310041003700430038004600300041003800460038004200430046000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2172	svchost.exe
2172	svchost.exe
3352	AOFVPMJXVT.exe
3352	AOFVPMJXVT.exe
2172	svchost.exe
2172	svchost.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
2172	svchost.exe
2172	svchost.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
2172	svchost.exe
2172	svchost.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
2172	svchost.exe
2172	svchost.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
2172	svchost.exe
2172	svchost.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe
4020	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2172	svchost.exe
4020	msiexec.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	4116	ssonsvr.exe
Token: SeTcbPrivilege	4116	ssonsvr.exe
Token: SeDebugPrivilege	5108	ssonsvr.exe
Token: SeTcbPrivilege	5108	ssonsvr.exe
Token: SeDebugPrivilege	2172	svchost.exe
Token: SeTcbPrivilege	2172	svchost.exe
Token: SeTcbPrivilege	3352	AOFVPMJXVT.exe
Token: SeDebugPrivilege	3352	AOFVPMJXVT.exe
Token: SeDebugPrivilege	4020	msiexec.exe
Token: SeTcbPrivilege	4020	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 4116	4248	748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66.exe	79
PID 4248 wrote to memory of 4116	4248	748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66.exe	79
PID 4248 wrote to memory of 4116	4248	748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66.exe	79
PID 5108 wrote to memory of 2172	5108	ssonsvr.exe	82
PID 5108 wrote to memory of 2172	5108	ssonsvr.exe	82
PID 5108 wrote to memory of 2172	5108	ssonsvr.exe	82
PID 5108 wrote to memory of 2172	5108	ssonsvr.exe	82
PID 5108 wrote to memory of 2172	5108	ssonsvr.exe	82
PID 5108 wrote to memory of 2172	5108	ssonsvr.exe	82
PID 5108 wrote to memory of 2172	5108	ssonsvr.exe	82
PID 5108 wrote to memory of 2172	5108	ssonsvr.exe	82
PID 2172 wrote to memory of 3352	2172	svchost.exe	83
PID 2172 wrote to memory of 3352	2172	svchost.exe	83
PID 2172 wrote to memory of 4020	2172	svchost.exe	86
PID 2172 wrote to memory of 4020	2172	svchost.exe	86
PID 2172 wrote to memory of 4020	2172	svchost.exe	86
PID 2172 wrote to memory of 4020	2172	svchost.exe	86
PID 2172 wrote to memory of 4020	2172	svchost.exe	86
PID 2172 wrote to memory of 4020	2172	svchost.exe	86
PID 2172 wrote to memory of 4020	2172	svchost.exe	86
PID 2172 wrote to memory of 4020	2172	svchost.exe	86

C:\Users\Admin\AppData\Local\Temp\748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66.exe
"C:\Users\Admin\AppData\Local\Temp\748a09ee75795e741e3d15dfa38b4869ae4bb4c574c30197f9c7d0f023e8eb66.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\ssonsvr.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ssonsvr.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  PID:4116

C:\ProgramData\Citrix\system32\ssonsvr.exe
C:\ProgramData\Citrix\system32\ssonsvr.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe 201 0
  2⤵
  - Modifies data under HKEY_USERS
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\TEMP\AOFVPMJXVT.exe
    "C:\Windows\TEMP\AOFVPMJXVT.exe" cpsvcs
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3352
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\system32\msiexec.exe 209 2172
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4020

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

C:\ProgramData\Citrix\system32\PNIPCN.dll

Filesize
4KB

MD5
a76fbb2a878893b41f70962073fbdcca

SHA1
0b58c21bfd06866365b7e423173fa1e170f4474b

SHA256
3e987f2505da7ddc77d206ac8a7cea86697fc5dfcfb6673ff08b25f2946f39df

SHA512
2d6ec27db4323a7c15b9263b9c021afa11c8340f0f005748e1978a03e1021977647afcb085dfcf41c06277d7faf0078e8211acf0f4f3a1c08901039f666774b7

Download Submit
C:\ProgramData\Citrix\system32\PNIPCN.dll

Filesize
4KB

MD5
a76fbb2a878893b41f70962073fbdcca

SHA1
0b58c21bfd06866365b7e423173fa1e170f4474b

SHA256
3e987f2505da7ddc77d206ac8a7cea86697fc5dfcfb6673ff08b25f2946f39df

SHA512
2d6ec27db4323a7c15b9263b9c021afa11c8340f0f005748e1978a03e1021977647afcb085dfcf41c06277d7faf0078e8211acf0f4f3a1c08901039f666774b7

Download Submit
C:\ProgramData\Citrix\system32\PipSEC

Filesize
212KB

MD5
ee9d96f6a545fe8dee85ec568bca55d9

SHA1
95b3e29697d04d6c005be0327b2fd99161aaaf82

SHA256
f50a36f032f7ecd6426a3463d8b1070ee3ada96f6ff52dd053aeb605ecb1da22

SHA512
a5b077483b2664b7ff95b2712bed3e55cdc84119fe53ffc2280891a020f630009724160b02702f4f7db6a349e1293fcbb1a0202024567e3e12cc67eb9cff11a9

Download Submit
C:\ProgramData\Citrix\system32\ssonsvr.exe

Filesize
33KB

MD5
9388e298ac0ba3b6a0784a9be3919515

SHA1
195a2621131d526b582ad8bb34bfa70eb499ba70

SHA256
d0d9604cbff27ddb233d13b7c84265638c3be1d45a7302428134c5e20c222a05

SHA512
9fd369c35447e7a308cb7422b883276c41197048c28a19b78e84fd90eff70849ed479a898a7d6a35f0362c267994ad5d4acf784e685a209a627e0893adc4730b

Download Submit
C:\ProgramData\Citrix\system32\ssonsvr.exe

Filesize
33KB

MD5
9388e298ac0ba3b6a0784a9be3919515

SHA1
195a2621131d526b582ad8bb34bfa70eb499ba70

SHA256
d0d9604cbff27ddb233d13b7c84265638c3be1d45a7302428134c5e20c222a05

SHA512
9fd369c35447e7a308cb7422b883276c41197048c28a19b78e84fd90eff70849ed479a898a7d6a35f0362c267994ad5d4acf784e685a209a627e0893adc4730b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\PNIPCN.dll

Filesize
4KB

MD5
a76fbb2a878893b41f70962073fbdcca

SHA1
0b58c21bfd06866365b7e423173fa1e170f4474b

SHA256
3e987f2505da7ddc77d206ac8a7cea86697fc5dfcfb6673ff08b25f2946f39df

SHA512
2d6ec27db4323a7c15b9263b9c021afa11c8340f0f005748e1978a03e1021977647afcb085dfcf41c06277d7faf0078e8211acf0f4f3a1c08901039f666774b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\PNIPCN.dll

Filesize
4KB

MD5
a76fbb2a878893b41f70962073fbdcca

SHA1
0b58c21bfd06866365b7e423173fa1e170f4474b

SHA256
3e987f2505da7ddc77d206ac8a7cea86697fc5dfcfb6673ff08b25f2946f39df

SHA512
2d6ec27db4323a7c15b9263b9c021afa11c8340f0f005748e1978a03e1021977647afcb085dfcf41c06277d7faf0078e8211acf0f4f3a1c08901039f666774b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\PipSEC

Filesize
212KB

MD5
ee9d96f6a545fe8dee85ec568bca55d9

SHA1
95b3e29697d04d6c005be0327b2fd99161aaaf82

SHA256
f50a36f032f7ecd6426a3463d8b1070ee3ada96f6ff52dd053aeb605ecb1da22

SHA512
a5b077483b2664b7ff95b2712bed3e55cdc84119fe53ffc2280891a020f630009724160b02702f4f7db6a349e1293fcbb1a0202024567e3e12cc67eb9cff11a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\ssonsvr.exe

Filesize
33KB

MD5
9388e298ac0ba3b6a0784a9be3919515

SHA1
195a2621131d526b582ad8bb34bfa70eb499ba70

SHA256
d0d9604cbff27ddb233d13b7c84265638c3be1d45a7302428134c5e20c222a05

SHA512
9fd369c35447e7a308cb7422b883276c41197048c28a19b78e84fd90eff70849ed479a898a7d6a35f0362c267994ad5d4acf784e685a209a627e0893adc4730b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\ssonsvr.exe

Filesize
33KB

MD5
9388e298ac0ba3b6a0784a9be3919515

SHA1
195a2621131d526b582ad8bb34bfa70eb499ba70

SHA256
d0d9604cbff27ddb233d13b7c84265638c3be1d45a7302428134c5e20c222a05

SHA512
9fd369c35447e7a308cb7422b883276c41197048c28a19b78e84fd90eff70849ed479a898a7d6a35f0362c267994ad5d4acf784e685a209a627e0893adc4730b

Download Submit
C:\Windows\TEMP\AOFVPMJXVT.exe

Filesize
11KB

MD5
6622918d92a44e67175f7aeb3fcb5a05

SHA1
0b226563fa229783bea7aa27e28f908967c729e6

SHA256
b0e1832ff379dfbfeac0aa26ba49188019d2aa7a5ead67256ef7f10ed8a6c62c

SHA512
65ff16d6d4eb4308f5950dec33b7598c10da54e4ae124107f19159675cc2cc445da8b70a5cb5f509b7c988358f1973b77b3be361d712a3cd44bda6e3697008fe

Download Submit
C:\Windows\Temp\AOFVPMJXVT.exe

Filesize
11KB

MD5
6622918d92a44e67175f7aeb3fcb5a05

SHA1
0b226563fa229783bea7aa27e28f908967c729e6

SHA256
b0e1832ff379dfbfeac0aa26ba49188019d2aa7a5ead67256ef7f10ed8a6c62c

SHA512
65ff16d6d4eb4308f5950dec33b7598c10da54e4ae124107f19159675cc2cc445da8b70a5cb5f509b7c988358f1973b77b3be361d712a3cd44bda6e3697008fe

Download Submit
memory/2172-151-0x0000000001990000-0x00000000019E1000-memory.dmp

Filesize
324KB

Download
memory/2172-148-0x0000000001990000-0x00000000019E1000-memory.dmp

Filesize
324KB

Download
memory/4020-150-0x0000000002BF0000-0x0000000002C41000-memory.dmp

Filesize
324KB

Download
memory/4020-152-0x0000000002BF0000-0x0000000002C41000-memory.dmp

Filesize
324KB

Download
memory/4116-136-0x00000000020C0000-0x00000000020F6000-memory.dmp

Filesize
216KB

Download
memory/4116-143-0x0000000002190000-0x00000000021E1000-memory.dmp

Filesize
324KB

Download
memory/5108-144-0x0000000000E30000-0x0000000000E81000-memory.dmp

Filesize
324KB

Download