plugx | a6dbaab6da4004321c979abf0b0270f44f56f793ac47751ccbc2989e258aea24

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03-04-2024 11:33

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General

Target

sample3.pdf
Size

603KB
MD5

2b203ff7805a789f64ec614dee2a7e7b
SHA1

dfa47a1bacea6afc7e334a31ad53045338d29ec5
SHA256

a6dbaab6da4004321c979abf0b0270f44f56f793ac47751ccbc2989e258aea24
SHA512

263b79355f8541dabfd26b5e85bdf7e3423bab5081eb3c99131f5dad42cdde6eeed0d00b520bf7400a5ae86883a0270759cfa846ce71832d717ea2ccd2491257
SSDEEP

12288:dGROjjzZ2fNv33w32iaMLavQVXsEAop5tNIBUwlDq7p:GOjjzyNw2qLO6XstECFpq7p

Score

10^/10

plugx trojan

Malware Config

Signatures

Detects PlugX payload 20 IoCs

resource	yara_rule
behavioral1/memory/1204-29-0x00000000002F0000-0x000000000031C000-memory.dmp	family_plugx
behavioral1/memory/2548-40-0x0000000000420000-0x000000000044C000-memory.dmp	family_plugx
behavioral1/memory/2304-51-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2304-56-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2304-55-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2548-54-0x0000000000420000-0x000000000044C000-memory.dmp	family_plugx
behavioral1/memory/1204-62-0x00000000002F0000-0x000000000031C000-memory.dmp	family_plugx
behavioral1/memory/2304-75-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2304-76-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2304-77-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2304-78-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2304-81-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2304-93-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/1584-102-0x0000000000260000-0x000000000028C000-memory.dmp	family_plugx
behavioral1/memory/1584-104-0x0000000000260000-0x000000000028C000-memory.dmp	family_plugx
behavioral1/memory/1584-106-0x0000000000260000-0x000000000028C000-memory.dmp	family_plugx
behavioral1/memory/2304-108-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/2304-109-0x0000000000170000-0x000000000019C000-memory.dmp	family_plugx
behavioral1/memory/1584-110-0x0000000000260000-0x000000000028C000-memory.dmp	family_plugx
behavioral1/memory/2304-116-0x0000000000170000-0x000000000019C000-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
2672	~temqp.tmp
1204	CamMute.exe
2548	CamMute.exe

Loads dropped DLL 4 IoCs

pid	Process
2488	cscript.exe
2672	~temqp.tmp
1204	CamMute.exe
2548	CamMute.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 14 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{67600140-557A-46D8-8EA8-DB0B52029A34}	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{67600140-557A-46D8-8EA8-DB0B52029A34}\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-32-9f-40-50-8c	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{67600140-557A-46D8-8EA8-DB0B52029A34}\WpadDecisionTime = 40f1f20ebb85da01	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{67600140-557A-46D8-8EA8-DB0B52029A34}\WpadDecisionReason = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{67600140-557A-46D8-8EA8-DB0B52029A34}\WpadNetworkName = "Network 2"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-32-9f-40-50-8c\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{67600140-557A-46D8-8EA8-DB0B52029A34}\WpadDecisionTime = e08ff00ebb85da01	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{67600140-557A-46D8-8EA8-DB0B52029A34}\b2-32-9f-40-50-8c	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-32-9f-40-50-8c\WpadDecisionTime = e08ff00ebb85da01	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-32-9f-40-50-8c\WpadDecision = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-32-9f-40-50-8c\WpadDetectedUrl	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-32-9f-40-50-8c\WpadDecisionTime = 40f1f20ebb85da01	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 = 38003800310034004200320041004500390044004500420041003000340046000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2304	svchost.exe
2304	svchost.exe
2304	svchost.exe
2304	svchost.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
2304	svchost.exe
2304	svchost.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
2304	svchost.exe
2304	svchost.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
2304	svchost.exe
2304	svchost.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
2304	svchost.exe
2304	svchost.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
2304	svchost.exe
2304	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 3 IoCs

pid	Process
1808	AcroRd32.exe
2304	svchost.exe
1584	msiexec.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1204	CamMute.exe
Token: SeTcbPrivilege	1204	CamMute.exe
Token: SeDebugPrivilege	2548	CamMute.exe
Token: SeTcbPrivilege	2548	CamMute.exe
Token: SeDebugPrivilege	2304	svchost.exe
Token: SeTcbPrivilege	2304	svchost.exe
Token: SeDebugPrivilege	1584	msiexec.exe
Token: SeTcbPrivilege	1584	msiexec.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2488	2992	AcroRd32.exe	28
PID 2992 wrote to memory of 2488	2992	AcroRd32.exe	28
PID 2992 wrote to memory of 2488	2992	AcroRd32.exe	28
PID 2992 wrote to memory of 2488	2992	AcroRd32.exe	28
PID 2488 wrote to memory of 2672	2488	cscript.exe	30
PID 2488 wrote to memory of 2672	2488	cscript.exe	30
PID 2488 wrote to memory of 2672	2488	cscript.exe	30
PID 2488 wrote to memory of 2672	2488	cscript.exe	30
PID 2488 wrote to memory of 2568	2488	cscript.exe	31
PID 2488 wrote to memory of 2568	2488	cscript.exe	31
PID 2488 wrote to memory of 2568	2488	cscript.exe	31
PID 2488 wrote to memory of 2568	2488	cscript.exe	31
PID 2672 wrote to memory of 1204	2672	~temqp.tmp	32
PID 2672 wrote to memory of 1204	2672	~temqp.tmp	32
PID 2672 wrote to memory of 1204	2672	~temqp.tmp	32
PID 2672 wrote to memory of 1204	2672	~temqp.tmp	32
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2548 wrote to memory of 2304	2548	CamMute.exe	34
PID 2568 wrote to memory of 1808	2568	cmd.exe	35
PID 2568 wrote to memory of 1808	2568	cmd.exe	35
PID 2568 wrote to memory of 1808	2568	cmd.exe	35
PID 2568 wrote to memory of 1808	2568	cmd.exe	35
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36
PID 2304 wrote to memory of 1584	2304	svchost.exe	36

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\sample3.pdf"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\SysWOW64\cscript.exe
  cscript C:\Users\Admin\AppData\Local\Temp\Winword.js
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Users\Admin\AppData\Local\Temp\~temqp.tmp
    ~temqp.tmp
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2672
  - - C:\Users\Admin\AppData\Local\Temp\CAM\CamMute.exe
      "C:\Users\Admin\AppData\Local\Temp\CAM\CamMute.exe" 100 2672
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:1204
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c Adobe.pdf
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2568
  - - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Adobe.pdf"
      4⤵
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      PID:1808

C:\Users\Admin\AppData\Local\Temp\CAM\CamMute.exe
"C:\Users\Admin\AppData\Local\Temp\CAM\CamMute.exe" 200 0
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548
- 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:2304
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\system32\msiexec.exe 209 2304
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\A9R2740.tmp

Filesize
358B

MD5
56ed89ee9a4627e7d3b5c7a650f7ca04

SHA1
ff490b2f89f7bcc800daa8d29193dbd3e422eb98

SHA256
75e7e334ed2eab91acaf769a92111c3aa0f21176368d7c5da9972e32311ea8e7

SHA512
9f59c0d9a72724f8b258e726f5f69f78fa79909fc486cbc182bdf289c28c49e235c6151b94f264c8b44f350404bd44cbe0dc2d4080b681c3765397fbf3ff7ff5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Adobe.pdf

Filesize
78KB

MD5
6123154c0ead8f7050e0865614f79671

SHA1
0f7db7be2a7d35db235773711ac7b30a8ac072a3

SHA256
8cfa1d6a3f07cc71ef995d41084565b506247f23df99f5924f83aaa9517d1215

SHA512
4d1e9e495cf904d965dd0f888f59985783e9474b0d63406696447cc3f034515e044051079a38d6085c0259ef4fa10d7489d0f368e912536dae6320a642609d8e

Download Submit
C:\Users\Admin\AppData\Local\Temp\CAM\CamMute.exe

Filesize
56KB

MD5
4c8cdd74359dad73a2d499e5775b9bb9

SHA1
89fde2c26d2bdbc5592aa54c65fac51e3f6df631

SHA256
457b71d3effea8ec517277d17cf35a0b775103e549c0a779c81ba4eb125503ba

SHA512
3395cbc20b924d1ea5694180b67a4f410fbfa25e9d977334911a3c9ea93724c7cec763ea2c77444761b93d353888ee262021c7be0cb98918fd5e5044571552c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\CAM\CommFunc.jax

Filesize
111KB

MD5
dc996c4855add1f655c899e9806c8b3e

SHA1
757c919328aae9f8dfe36293f2095da73a866e89

SHA256
a018fba9f923edf661a915311b72b25cd414f658b64e7f4272ca9622be049259

SHA512
fbea508af9ef82d519d7f94c7b40266c8f002afc31421c7e303b74e6853804061e7b571c501244cd0ace377245db9259fbf330738749ab67718a60a05c31b6d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Winword.js

Filesize
446KB

MD5
19047595de7edc3550963ced15347ce1

SHA1
012695dfb871d0b72d5875faf9ac8c1ebac68952

SHA256
a6c2bbb4726b396adea3fabaf6ea9f86fa48bdce6cadeb9999679bd54b918c91

SHA512
71e243d64689ae900257ba57421d3daf88732376d557804665f1dc4f1899fbdd68a8f7d39f24795ec98896181483c3c73ef8f93a4ed3a6e57e1c6f434a817a36

Download Submit
\Users\Admin\AppData\Local\Temp\CAM\CommFunc.dll

Filesize
40KB

MD5
6be2cf583a8d3187a04772aee4c05ab6

SHA1
d8ddeaf4a9c23bc05829bbb7b1738513bb1ac310

SHA256
b81c356b56b292b51b0e03ee2c69d96de2a3e0e6f6e7f6111119400a6c7ac14f

SHA512
b571ebda31070b5c48fca922e209712379dff14d32989d6acf664320b6c8ea1031e18a16903ac56e6909c93403467de4679bcc3989691ebf7bd11ece0ff1acfb

Download Submit
\Users\Admin\AppData\Local\Temp\~temqp.tmp

Filesize
222KB

MD5
37bc5cdaf9b026e334edd6752e3cdb00

SHA1
ee7eb5b20e25aeb4456a360e50185f245a6cc065

SHA256
c9a42238d5b1815458031395ef99896cf96656c1016abbe91ca9b0449f1eea6b

SHA512
efec59fefba7095d91bcab3ad3c4e44e24634385179189335085f006fd5a0ed79e05831e4350555c8be19f8bcd2bb36d5a36d82841df53e047d7b9039262ddbf

Download Submit
memory/1204-29-0x00000000002F0000-0x000000000031C000-memory.dmp

Filesize
176KB

Download
memory/1204-62-0x00000000002F0000-0x000000000031C000-memory.dmp

Filesize
176KB

Download
memory/1204-27-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/1204-25-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1584-110-0x0000000000260000-0x000000000028C000-memory.dmp

Filesize
176KB

Download
memory/1584-106-0x0000000000260000-0x000000000028C000-memory.dmp

Filesize
176KB

Download
memory/1584-104-0x0000000000260000-0x000000000028C000-memory.dmp

Filesize
176KB

Download
memory/1584-103-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1584-102-0x0000000000260000-0x000000000028C000-memory.dmp

Filesize
176KB

Download
memory/2304-93-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-56-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-55-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-74-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2304-75-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-76-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-77-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-78-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-81-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-116-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-53-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2304-109-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-51-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2304-47-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/2304-45-0x00000000000A0000-0x00000000000BA000-memory.dmp

Filesize
104KB

Download
memory/2304-43-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2304-108-0x0000000000170000-0x000000000019C000-memory.dmp

Filesize
176KB

Download
memory/2548-40-0x0000000000420000-0x000000000044C000-memory.dmp

Filesize
176KB

Download
memory/2548-54-0x0000000000420000-0x000000000044C000-memory.dmp

Filesize
176KB

Download
memory/2992-0-0x0000000003400000-0x0000000003476000-memory.dmp

Filesize
472KB

Download