gh0strat | 89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d

General

Target

89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe
Size

2.5MB
MD5

25ff315fc42eba6b3276af066e4c6376
SHA1

ba7213c92c55b61d4097856c6a808322f5cda86a
SHA256

89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d
SHA512

81f3108fa7a59ba56f7ec7551f570535597241210f3db51490254d63255b0cda119e05b716993c58a90748046bd46e95552965c4d1b875e63907b77812bc6088
SSDEEP

24576:TCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHH:TCwsbCANnKXferL7Vwe/Gg0P+WhtAj

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/2524-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2524-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2524-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2376-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2376-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2240-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2240-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2240-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x0008000000015fba-6.dat	family_gh0strat
behavioral1/memory/2524-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2524-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2524-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2376-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2376-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2240-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2240-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2240-41-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.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"	TXPlatfor.exe

Executes dropped EXE 4 IoCs

pid	Process
2352	R.exe
2524	N.exe
2376	TXPlatfor.exe
2240	TXPlatfor.exe

Loads dropped DLL 4 IoCs

pid	Process
2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe
2352	R.exe
2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe
2376	TXPlatfor.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259436214.txt	R.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2524-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2376-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2376-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2240-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2240-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2240-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 6 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	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.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
2716	PING.EXE
2884	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2716	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2240	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2524	N.exe
Token: SeLoadDriverPrivilege	2240	TXPlatfor.exe
Token: 33	2240	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2240	TXPlatfor.exe
Token: 33	2240	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2240	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe
2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2352	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	30
PID 2384 wrote to memory of 2352	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	30
PID 2384 wrote to memory of 2352	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	30
PID 2384 wrote to memory of 2352	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	30
PID 2384 wrote to memory of 2524	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	31
PID 2384 wrote to memory of 2524	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	31
PID 2384 wrote to memory of 2524	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	31
PID 2384 wrote to memory of 2524	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	31
PID 2384 wrote to memory of 2524	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	31
PID 2384 wrote to memory of 2524	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	31
PID 2384 wrote to memory of 2524	2384	89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe	31
PID 2524 wrote to memory of 2884	2524	N.exe	33
PID 2524 wrote to memory of 2884	2524	N.exe	33
PID 2524 wrote to memory of 2884	2524	N.exe	33
PID 2524 wrote to memory of 2884	2524	N.exe	33
PID 2376 wrote to memory of 2240	2376	TXPlatfor.exe	34
PID 2376 wrote to memory of 2240	2376	TXPlatfor.exe	34
PID 2376 wrote to memory of 2240	2376	TXPlatfor.exe	34
PID 2376 wrote to memory of 2240	2376	TXPlatfor.exe	34
PID 2376 wrote to memory of 2240	2376	TXPlatfor.exe	34
PID 2376 wrote to memory of 2240	2376	TXPlatfor.exe	34
PID 2376 wrote to memory of 2240	2376	TXPlatfor.exe	34
PID 2884 wrote to memory of 2716	2884	cmd.exe	36
PID 2884 wrote to memory of 2716	2884	cmd.exe	36
PID 2884 wrote to memory of 2716	2884	cmd.exe	36
PID 2884 wrote to memory of 2716	2884	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe
"C:\Users\Admin\AppData\Local\Temp\89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2352
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.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:2524
- - 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\N.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2884
  - - 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:2716

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:2240

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
2.5MB

MD5
25ff315fc42eba6b3276af066e4c6376

SHA1
ba7213c92c55b61d4097856c6a808322f5cda86a

SHA256
89820cb90c1b4632293bc43a8befc7296af35ab3d94f56852a3ddbe8dbb3583d

SHA512
81f3108fa7a59ba56f7ec7551f570535597241210f3db51490254d63255b0cda119e05b716993c58a90748046bd46e95552965c4d1b875e63907b77812bc6088

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259436214.txt

Filesize
899KB

MD5
17aeb71b3b6cf61efc9d49c0c11797fd

SHA1
7b8b9e3988ca6f6acdd66e085844455763cf6469

SHA256
eedbdaca1a83fa1491bede1c2ded3d694b434b2050fb3a254af4af41b7a53515

SHA512
f03205cb5911edb2046825d54accdb58f8faf601f10ee0a6243e5ea712325ca6d04ee831a2db6de8e06dd39f309445bf012fcdabf374f3688d565cfadc84ebc1

Download Submit
memory/2240-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2240-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2240-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2376-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2376-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads