gh0strat | fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4

General

Target

fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
Size

2.1MB
MD5

6332496eb76a8375bd50540f2ff1e1b8
SHA1

91b437b3f8b3c7561fd6599b626c082749715eb9
SHA256

fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4
SHA512

c3bdacc61ba29ee08c07c440f263a0e67f5ae5db1219a9eec00889f47442d859d97d8fa0242d3368f41fe6d18d37edbf32d1c53e4d95503731deff8e16c84d4a
SSDEEP

49152:Q09XJt4HIN2H2tFvduySupeQn2wZPItx2apeapelI:VZJt4HINy2LkLQn2JtUvlI

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/3136-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3136-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3136-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4064-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4064-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1176-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1176-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1176-76-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1176-78-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/3136-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3136-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3136-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4064-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4064-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1176-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1176-73-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1176-76-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1176-78-0x0000000010000000-0x00000000101B6000-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

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
3136	RVN.exe
4064	TXPlatforn.exe
1176	TXPlatforn.exe
4452	HD_fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3136-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3136-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3136-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3136-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4064-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4064-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4064-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1176-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1176-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1176-76-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1176-78-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.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 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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.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
4280	cmd.exe
368	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
368	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4808	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
4808	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1176	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3136	RVN.exe
Token: SeLoadDriverPrivilege	1176	TXPlatforn.exe
Token: 33	1176	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1176	TXPlatforn.exe
Token: 33	1176	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1176	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4808	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
4808	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 3136	4808	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe	92
PID 4808 wrote to memory of 3136	4808	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe	92
PID 4808 wrote to memory of 3136	4808	fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe	92
PID 3136 wrote to memory of 4280	3136	RVN.exe	94
PID 3136 wrote to memory of 4280	3136	RVN.exe	94
PID 3136 wrote to memory of 4280	3136	RVN.exe	94
PID 4064 wrote to memory of 1176	4064	TXPlatforn.exe	95
PID 4064 wrote to memory of 1176	4064	TXPlatforn.exe	95
PID 4064 wrote to memory of 1176	4064	TXPlatforn.exe	95
PID 4280 wrote to memory of 368	4280	cmd.exe	98
PID 4280 wrote to memory of 368	4280	cmd.exe	98
PID 4280 wrote to memory of 368	4280	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
"C:\Users\Admin\AppData\Local\Temp\fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.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:4808
- 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:3136
- - 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:4280
  - - 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:368
- C:\Users\Admin\AppData\Local\Temp\HD_fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe
  2⤵
  - Executes dropped EXE
  PID:4452

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:4064
- 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:1176

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4304,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4140 /prefetch:8
1⤵
PID:392

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

Filesize
1.5MB

MD5
c53b5864ec21aa64f3bc7ff6ebbad22b

SHA1
48e9b7ba6e30beaea41927f89d299d2d27713852

SHA256
0f6b200b84e7ae01ae950b279b22ad0cdcbfdd64bb66f79183116b8aa08e63cd

SHA512
4930f4ac0b159c2f76f3bc174d7dda1ddc553879e94771483f8b6d7e3ba416b144c2912e18e2712ba4a1fdeeb8823064e833b75aff05251c0c11d99585c533b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_fffa89bdd2c053b7ce74cb8ffa4c67defe3156bad191cc5832ce55fb96a3e4f4.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCX4BE.tmp

Filesize
1.5MB

MD5
86e3a572eb0aab9905dba8b8bef61dd6

SHA1
57157bd054a9096c81f8549dea195ea989c7568b

SHA256
8fa860c6e52eb5bda55ea9942e5e8d5aa4e908553196ec84eaf9728efafed6b3

SHA512
4f5697a52f9a2805fd4fc1c5a6c21827a0d90b5ab4975f60da137a3bf6dba1b7fa3875b8701a0a6b18d3172fa718362f6352280f2699d7a8fb4a525681755603

Download Submit
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\X.ico

Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

Download Submit
memory/1176-78-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1176-76-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1176-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1176-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3136-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3136-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3136-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3136-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4064-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4064-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4064-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4064-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads