gh0strat | 87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216

General

Target

87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
Size

1.3MB
MD5

d4d99f85201b0c4c076d1b549fd48fbe
SHA1

97068c09e8cdac5b419e6d1b866185fe4331c7b3
SHA256

87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216
SHA512

a4b01ada627a333250d26877e1a3d633b801bb2b7c4296b31c91d3ccfdb757c6487364c585794101446cf92e81bfb69d58ad48ec65b095f0be76c5e4af4aeaeb
SSDEEP

24576:Li2Tro2H2HESq2eWJ6MQjySjyTxUGOA1Pbjy4ge501/gTwqCz:LxTc2H2tFvduyS+xv1PC4ge55TB

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1928-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1928-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1928-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2676-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2688-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2688-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2688-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/1928-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1928-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1928-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2676-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2688-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2688-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2688-46-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

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

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 4 IoCs

pid	Process
1928	RVN.exe
2244	HD_87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
2676	TXPlatforn.exe
2688	TXPlatforn.exe

Loads dropped DLL 4 IoCs

pid	Process
1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
2676	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1928-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1928-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1928-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1928-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2676-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2688-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2688-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2688-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2816	cmd.exe
2752	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2752	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2688	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1928	RVN.exe
Token: SeLoadDriverPrivilege	2688	TXPlatforn.exe
Token: 33	2688	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2688	TXPlatforn.exe
Token: 33	2688	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2688	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 1928	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	31
PID 1392 wrote to memory of 1928	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	31
PID 1392 wrote to memory of 1928	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	31
PID 1392 wrote to memory of 1928	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	31
PID 1392 wrote to memory of 1928	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	31
PID 1392 wrote to memory of 1928	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	31
PID 1392 wrote to memory of 1928	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	31
PID 1392 wrote to memory of 2244	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	32
PID 1392 wrote to memory of 2244	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	32
PID 1392 wrote to memory of 2244	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	32
PID 1392 wrote to memory of 2244	1392	87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe	32
PID 1928 wrote to memory of 2816	1928	RVN.exe	35
PID 1928 wrote to memory of 2816	1928	RVN.exe	35
PID 1928 wrote to memory of 2816	1928	RVN.exe	35
PID 1928 wrote to memory of 2816	1928	RVN.exe	35
PID 2676 wrote to memory of 2688	2676	TXPlatforn.exe	36
PID 2676 wrote to memory of 2688	2676	TXPlatforn.exe	36
PID 2676 wrote to memory of 2688	2676	TXPlatforn.exe	36
PID 2676 wrote to memory of 2688	2676	TXPlatforn.exe	36
PID 2676 wrote to memory of 2688	2676	TXPlatforn.exe	36
PID 2676 wrote to memory of 2688	2676	TXPlatforn.exe	36
PID 2676 wrote to memory of 2688	2676	TXPlatforn.exe	36
PID 2816 wrote to memory of 2752	2816	cmd.exe	38
PID 2816 wrote to memory of 2752	2816	cmd.exe	38
PID 2816 wrote to memory of 2752	2816	cmd.exe	38
PID 2816 wrote to memory of 2752	2816	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
"C:\Users\Admin\AppData\Local\Temp\87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1928
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2816
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2752
- C:\Users\Admin\AppData\Local\Temp\HD_87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
  C:\Users\Admin\AppData\Local\Temp\HD_87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe
  2⤵
  - Executes dropped EXE
  PID:2244

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- 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:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
576KB

MD5
d06e4c2592470f44d01a41231ac7d5a9

SHA1
f1071194f4a2e316848fa9c93f06fff01112b878

SHA256
c33eb8bc7943ce2b0a394dbadd198c681056765f4fec9389f88481c94d75c128

SHA512
b91db4277477f0eafccc0daf2f09225a938dd88508119edf46c81c40eacd1799969927fa73d0f409c2cc7d7212a7b0256d3fda052119a3b4eb07dc80ac1ef392

Download Submit
\Users\Admin\AppData\Local\Temp\HD_87f41350869adc7bf5692a3fa6b489963c02e5eb8145e70a8078abf132abf216.exe

Filesize
796KB

MD5
64027e07412e14648105ed28ae3a2788

SHA1
14068fb99b8aa38e6624ceb19bb53cf395634dd4

SHA256
c02cad9e7ddefdddae984943e7ca40bba4dc0274d73ca2447efcf94ac70dddc3

SHA512
bda1b0d01377d0bca7e8f2a0c1c19eefa0de0eec98542684069c3629548adab201647c69b20ba209f6e96a521f72559870d13f41b86a0cd17591133618a719ae

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1392-15-0x0000000002450000-0x0000000002530000-memory.dmp

Filesize
896KB

Download
memory/1392-25-0x0000000002450000-0x0000000002530000-memory.dmp

Filesize
896KB

Download
memory/1928-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1928-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1928-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1928-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2244-23-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/2676-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2688-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2688-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2688-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads