gh0strat | a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a

General

Target

a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
Size

1.7MB
MD5

c1a0e317f24236d0982bd3e6313a3e79
SHA1

3f5b71f74a2ba390028cd0e71960de116fb327d0
SHA256

a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a
SHA512

80f60892be9ac808b27e9b47e6b50824f33caf10f0f598df724abac052b3c4a29e0d19ae52b5feb48ffa31866674cb445e52c1aa6fb952038386da5415543d02
SSDEEP

24576:d09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+1w:d09XJt4HIN2H2tFvduySbw

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/2196-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-13-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1696-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1696-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1032-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1032-61-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1032-74-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2196-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-13-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1696-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1696-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1032-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1032-61-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1032-74-0x0000000010000000-0x00000000101B6000-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
2196	RVN.exe
1696	TXPlatforn.exe
2108	HD_a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
1032	TXPlatforn.exe

Loads dropped DLL 4 IoCs

pid	Process
2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
1696	TXPlatforn.exe
2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.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/2196-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1696-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1696-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1032-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1032-61-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1032-74-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe

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

System Information Discovery
T1082

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	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.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	HD_a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.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
2268	PING.EXE
2820	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2268	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1032	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2196	RVN.exe
Token: SeLoadDriverPrivilege	1032	TXPlatforn.exe
Token: 33	1032	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1032	TXPlatforn.exe
Token: 33	1032	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1032	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2196	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	31
PID 2068 wrote to memory of 2196	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	31
PID 2068 wrote to memory of 2196	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	31
PID 2068 wrote to memory of 2196	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	31
PID 2068 wrote to memory of 2196	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	31
PID 2068 wrote to memory of 2196	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	31
PID 2068 wrote to memory of 2196	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	31
PID 2196 wrote to memory of 2820	2196	RVN.exe	33
PID 2196 wrote to memory of 2820	2196	RVN.exe	33
PID 2196 wrote to memory of 2820	2196	RVN.exe	33
PID 2196 wrote to memory of 2820	2196	RVN.exe	33
PID 2068 wrote to memory of 2108	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	34
PID 2068 wrote to memory of 2108	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	34
PID 2068 wrote to memory of 2108	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	34
PID 2068 wrote to memory of 2108	2068	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	34
PID 1696 wrote to memory of 1032	1696	TXPlatforn.exe	36
PID 1696 wrote to memory of 1032	1696	TXPlatforn.exe	36
PID 1696 wrote to memory of 1032	1696	TXPlatforn.exe	36
PID 1696 wrote to memory of 1032	1696	TXPlatforn.exe	36
PID 1696 wrote to memory of 1032	1696	TXPlatforn.exe	36
PID 1696 wrote to memory of 1032	1696	TXPlatforn.exe	36
PID 1696 wrote to memory of 1032	1696	TXPlatforn.exe	36
PID 2820 wrote to memory of 2268	2820	cmd.exe	37
PID 2820 wrote to memory of 2268	2820	cmd.exe	37
PID 2820 wrote to memory of 2268	2820	cmd.exe	37
PID 2820 wrote to memory of 2268	2820	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
"C:\Users\Admin\AppData\Local\Temp\a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068
- 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:2196
- - 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:2820
  - - 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:2268
- C:\Users\Admin\AppData\Local\Temp\HD_a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2108

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:1696
- 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:1032

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 Information Discovery

1

T1082

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:\Program Files\VideoLAN\VLC\vlc.exe

Filesize
2.4MB

MD5
001dc22e5b66eb3a7941b3129df1283a

SHA1
a69b5aa1c5630ac27bb7c45bdb62bea3fe5cae64

SHA256
f1099bbe4f81fec9749c2c4ddc273ee3b4635c58195970ed652893b519ea2152

SHA512
6dee97d7497367c90df7c3e91768627455d2b6b4e1f7195023a9eb495bdd5f016aeb418ea128acce19612f45f6ee231e34c5c70bd6cc64917148ed343a9c155f

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXD45F.tmp

Filesize
1.3MB

MD5
95099cb93c3506c5ce527d82361b37bb

SHA1
8003e02775e7f497a05493bbb5ed69566d737c99

SHA256
6ed2bdcad9e034dba1ac3fdd1005e36814f5486df3c737a0023bd13737f70a99

SHA512
5fdd209e3a373ffc49687c0e92943fa2e802fa943530c0a5811cdc6ab00b5c77166561e374da60dba7edc6f010b9441ba6897864e049c0f15c290735f9bccddf

Download Submit
\Users\Admin\AppData\Local\Temp\HD_a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe

Filesize
333KB

MD5
80660c611b596ffe8af4074b31aa6fb7

SHA1
b49e5ecf394765ead2d872dcfc92c786dc63da94

SHA256
dfef8ed182d687ef223821bf8a3bf27a803a385c19c2d9eed3cb93c8d5f96617

SHA512
52a52f419cf65f9c7b1402d760bb7cdb19aa7fbc6a620328da59a38e43b1193b9c2ca2155f163252252b64d8479a2e30441133ecfe89e94179bede23dae708c5

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1032-74-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1032-61-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1032-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1696-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1696-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2068-0-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/2068-90-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/2196-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads