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 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4928-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4928-11-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4928-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2544-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4984-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2544-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2544-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2544-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/4928-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4928-11-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4928-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4984-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4984-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4984-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2544-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4984-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2544-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2544-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2544-36-0x0000000010000000-0x00000000101B6000-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
4928	RVN.exe
4984	TXPlatforn.exe
2544	TXPlatforn.exe
4828	HD_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 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4928-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4928-11-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4928-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4928-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2544-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4984-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2544-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2544-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2544-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\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
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.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	PING.EXE
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

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
3716	cmd.exe
2716	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2716	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2544	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4928	RVN.exe
Token: SeLoadDriverPrivilege	2544	TXPlatforn.exe
Token: 33	2544	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2544	TXPlatforn.exe
Token: 33	2544	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2544	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 4928	1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	83
PID 1596 wrote to memory of 4928	1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	83
PID 1596 wrote to memory of 4928	1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	83
PID 4928 wrote to memory of 3716	4928	RVN.exe	85
PID 4928 wrote to memory of 3716	4928	RVN.exe	85
PID 4928 wrote to memory of 3716	4928	RVN.exe	85
PID 4984 wrote to memory of 2544	4984	TXPlatforn.exe	87
PID 4984 wrote to memory of 2544	4984	TXPlatforn.exe	87
PID 4984 wrote to memory of 2544	4984	TXPlatforn.exe	87
PID 1596 wrote to memory of 4828	1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	86
PID 1596 wrote to memory of 4828	1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	86
PID 1596 wrote to memory of 4828	1596	a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe	86
PID 3716 wrote to memory of 2716	3716	cmd.exe	89
PID 3716 wrote to memory of 2716	3716	cmd.exe	89
PID 3716 wrote to memory of 2716	3716	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe
"C:\Users\Admin\AppData\Local\Temp\a22e2d89be25dcf0a5edc2bef2d17888ea4040fde7ee0ce1338a001c6a14170a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596
- 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:4928
- - 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:3716
  - - 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:\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:4828

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4984
- 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:2544

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.3MB

MD5
9df7957dbe4e0a0b92eaa03cdb508705

SHA1
4116d08bfa8c11cce9ba22263bffa4b2aa281f5b

SHA256
5a24444fd12c9be8cd7bba8a0da71b798f485b3c96565577e9bcd6293983e0c6

SHA512
9f7faf439224d3a6bb522f371b60720c9854b50ab85c2bf715848ba174f2c713c6ec0000fb81735227af86aeb92f6ebaa109a3b86814be3fe0780984b7e5da22

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

Filesize
333KB

MD5
80660c611b596ffe8af4074b31aa6fb7

SHA1
b49e5ecf394765ead2d872dcfc92c786dc63da94

SHA256
dfef8ed182d687ef223821bf8a3bf27a803a385c19c2d9eed3cb93c8d5f96617

SHA512
52a52f419cf65f9c7b1402d760bb7cdb19aa7fbc6a620328da59a38e43b1193b9c2ca2155f163252252b64d8479a2e30441133ecfe89e94179bede23dae708c5

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1596-98-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/1596-0-0x0000000000400000-0x000000000057C000-memory.dmp

Filesize
1.5MB

Download
memory/2544-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4928-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4928-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4928-11-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4928-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4984-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads