gh0strat | 7af87290191301f21c288c859dc3b84c88d0bc3e064ef0dab3e3ff80a79e5ae0

General

Target

35a9c0c8847161exeexe_JC.exe
Size

2.2MB
MD5

35a9c0c8847161324ecf7c9df3bdaedf
SHA1

fa304278f53768276b4414a6ead9111e88a9e4b1
SHA256

7af87290191301f21c288c859dc3b84c88d0bc3e064ef0dab3e3ff80a79e5ae0
SHA512

5d04268a7d6c4271e44eb6301ec1c7cf181e8d0273a76f0ef3d992da57df9c0bbc91b58806d43bd67a79ad8ef4771edc2d4b55047e84cc258426c7a96f930191
SSDEEP

49152:i09XJt4HIN2H2tFvduySFDmn2a4uwd4XkYe:DZJt4HINy2LkFDmn2buwGXkR

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/220-139-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/220-140-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1620-148-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1620-149-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/220-152-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1620-154-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3252-157-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3252-159-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3252-162-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/220-139-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/220-140-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1620-148-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1620-149-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/220-152-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1620-154-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3252-157-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3252-159-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3252-162-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Drops file in Drivers directory 1 IoCs

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid process

220 RVN.exe
1620 TXPlatforn.exe
3252 TXPlatforn.exe

pid	process
220	RVN.exe
1620	TXPlatforn.exe
3252	TXPlatforn.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/220-137-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-139-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-140-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-145-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-148-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-149-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-152-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-154-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3252-157-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3252-159-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3252-162-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

408 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

3252 TXPlatforn.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

pid	process
408	PING.EXE

pid	process
3252	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	220	RVN.exe
Token: SeLoadDriverPrivilege	3252	TXPlatforn.exe
Token: 33	3252	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3252	TXPlatforn.exe
Token: 33	3252	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3252	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

35a9c0c8847161exeexe_JC.exe

pid process

4724 35a9c0c8847161exeexe_JC.exe
4724 35a9c0c8847161exeexe_JC.exe

pid	process
4724	35a9c0c8847161exeexe_JC.exe
4724	35a9c0c8847161exeexe_JC.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

35a9c0c8847161exeexe_JC.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 4724 wrote to memory of 220	4724	35a9c0c8847161exeexe_JC.exe	RVN.exe
PID 4724 wrote to memory of 220	4724	35a9c0c8847161exeexe_JC.exe	RVN.exe
PID 4724 wrote to memory of 220	4724	35a9c0c8847161exeexe_JC.exe	RVN.exe
PID 220 wrote to memory of 4548	220	RVN.exe	cmd.exe
PID 220 wrote to memory of 4548	220	RVN.exe	cmd.exe
PID 220 wrote to memory of 4548	220	RVN.exe	cmd.exe
PID 1620 wrote to memory of 3252	1620	TXPlatforn.exe	TXPlatforn.exe
PID 1620 wrote to memory of 3252	1620	TXPlatforn.exe	TXPlatforn.exe
PID 1620 wrote to memory of 3252	1620	TXPlatforn.exe	TXPlatforn.exe
PID 4548 wrote to memory of 408	4548	cmd.exe	PING.EXE
PID 4548 wrote to memory of 408	4548	cmd.exe	PING.EXE
PID 4548 wrote to memory of 408	4548	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\35a9c0c8847161exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\35a9c0c8847161exeexe_JC.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:220
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4548
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:408

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3252

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RVN.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/220-140-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/220-139-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/220-152-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/220-137-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-145-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-148-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-149-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-154-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3252-157-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3252-159-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3252-162-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads