gh0strat | 84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f

General

Target

84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe
Size

2.3MB
MD5

9028ff9d86cf81e2e693bdf39b80797e
SHA1

faffb250916d5636502cd606748169e7474a4a6d
SHA256

84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f
SHA512

a8cd151cd4d74d46818ddbcb03ea611d55b8490a15597ce51d7d56b8404a471ba80fa5e44d2b4afb641549081642b65e61b5977008850ae97790e2eafb7bcbe4
SSDEEP

49152:489XJt4HIZ/Gg0P+WhMyn2dK4kHvQOmQY66nR:JZJt4HIZOgmhMyn2UQO9G

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2232-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2232-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2792-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2232-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2792-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2232-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2232-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2792-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2232-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2792-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-34-0x0000000010000000-0x00000000101B6000-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 3 IoCs

pid	Process
2232	QQ.exe
2792	TXPlatforn.exe
2392	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe
2792	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

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

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2232-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2232-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2232-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2792-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2232-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2792-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-34-0x0000000010000000-0x00000000101B6000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QQ.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
2744	cmd.exe
2600	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2600	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2392	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2232	QQ.exe
Token: SeLoadDriverPrivilege	2392	TXPlatforn.exe
Token: 33	2392	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2392	TXPlatforn.exe
Token: 33	2392	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2392	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe
2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2232	2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe	30
PID 2188 wrote to memory of 2232	2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe	30
PID 2188 wrote to memory of 2232	2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe	30
PID 2188 wrote to memory of 2232	2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe	30
PID 2188 wrote to memory of 2232	2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe	30
PID 2188 wrote to memory of 2232	2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe	30
PID 2188 wrote to memory of 2232	2188	84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe	30
PID 2792 wrote to memory of 2392	2792	TXPlatforn.exe	32
PID 2792 wrote to memory of 2392	2792	TXPlatforn.exe	32
PID 2792 wrote to memory of 2392	2792	TXPlatforn.exe	32
PID 2792 wrote to memory of 2392	2792	TXPlatforn.exe	32
PID 2792 wrote to memory of 2392	2792	TXPlatforn.exe	32
PID 2792 wrote to memory of 2392	2792	TXPlatforn.exe	32
PID 2792 wrote to memory of 2392	2792	TXPlatforn.exe	32
PID 2232 wrote to memory of 2744	2232	QQ.exe	33
PID 2232 wrote to memory of 2744	2232	QQ.exe	33
PID 2232 wrote to memory of 2744	2232	QQ.exe	33
PID 2232 wrote to memory of 2744	2232	QQ.exe	33
PID 2744 wrote to memory of 2600	2744	cmd.exe	35
PID 2744 wrote to memory of 2600	2744	cmd.exe	35
PID 2744 wrote to memory of 2600	2744	cmd.exe	35
PID 2744 wrote to memory of 2600	2744	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe
"C:\Users\Admin\AppData\Local\Temp\84b4a27d4d3d2097cf3b436b036466144e8b05a09852045050a8cef462873f9f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\QQ.exe
  C:\Users\Admin\AppData\Local\Temp\\QQ.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:2232
- - 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\QQ.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - 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:2600

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:2792
- 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:2392

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\QQ.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
memory/2232-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2232-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2232-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2232-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2792-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2792-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads