gh0strat | 7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69

General

Target

7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe
Size

6.0MB
MD5

325fa674a61587af1e1b3d5c4f6dc0a5
SHA1

e6547d8b603056864c5074bf7cb0030be4db4956
SHA256

7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69
SHA512

634eb477610367cd0ad21328c42026276401e2b4a59df2b7276da1247eb614dad4ab1c640794ed9cc6c1d18735aab549ba5a2a6d15e163757ef58bde988a93d7
SSDEEP

98304:xcy2LktrbxG9SHgpmO1/MmuUwk422AqQszeROB:6y2LktrbgSApmO1/MmuUwRAqQszeROB

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/2664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2664-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2664-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2728-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2728-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2728-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2664-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2664-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2728-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2728-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2728-42-0x0000000010000000-0x00000000101B6000-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
2664	RVN.exe
2800	HD_7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe
2164	TXPlatforn.exe
2728	TXPlatforn.exe

Loads dropped DLL 4 IoCs

pid	Process
2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe
2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe
2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe
2164	TXPlatforn.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/2664-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2664-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2664-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2664-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-42-0x0000000010000000-0x00000000101B6000-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	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.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	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
2092	cmd.exe
2628	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2628	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2728	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2664	RVN.exe
Token: SeLoadDriverPrivilege	2728	TXPlatforn.exe
Token: 33	2728	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2728	TXPlatforn.exe
Token: 33	2728	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2728	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2664	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	30
PID 2648 wrote to memory of 2664	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	30
PID 2648 wrote to memory of 2664	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	30
PID 2648 wrote to memory of 2664	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	30
PID 2648 wrote to memory of 2664	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	30
PID 2648 wrote to memory of 2664	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	30
PID 2648 wrote to memory of 2664	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	30
PID 2648 wrote to memory of 2800	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	31
PID 2648 wrote to memory of 2800	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	31
PID 2648 wrote to memory of 2800	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	31
PID 2648 wrote to memory of 2800	2648	7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe	31
PID 2664 wrote to memory of 2092	2664	RVN.exe	34
PID 2664 wrote to memory of 2092	2664	RVN.exe	34
PID 2664 wrote to memory of 2092	2664	RVN.exe	34
PID 2664 wrote to memory of 2092	2664	RVN.exe	34
PID 2164 wrote to memory of 2728	2164	TXPlatforn.exe	35
PID 2164 wrote to memory of 2728	2164	TXPlatforn.exe	35
PID 2164 wrote to memory of 2728	2164	TXPlatforn.exe	35
PID 2164 wrote to memory of 2728	2164	TXPlatforn.exe	35
PID 2164 wrote to memory of 2728	2164	TXPlatforn.exe	35
PID 2164 wrote to memory of 2728	2164	TXPlatforn.exe	35
PID 2164 wrote to memory of 2728	2164	TXPlatforn.exe	35
PID 2092 wrote to memory of 2628	2092	cmd.exe	37
PID 2092 wrote to memory of 2628	2092	cmd.exe	37
PID 2092 wrote to memory of 2628	2092	cmd.exe	37
PID 2092 wrote to memory of 2628	2092	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe
"C:\Users\Admin\AppData\Local\Temp\7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2648
- 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:2664
- - 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:2092
  - - 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:2628
- C:\Users\Admin\AppData\Local\Temp\HD_7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe
  C:\Users\Admin\AppData\Local\Temp\HD_7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe
  2⤵
  - Executes dropped EXE
  PID:2800

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:2164
- 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:2728

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_7e976aba9dfbc9e6ab963e0e5b848d2cf64448ff7a31d655179a74edfcaf7e69.exe

Filesize
5.4MB

MD5
aea8a5f64398155bf27b6f185bf63e9d

SHA1
83eb864749f01e074c36ef6712d320efc63f2f26

SHA256
4a3a1237315e34c5f40b277b1974bf65daedff33743e3cb0120fa0ea074dde1a

SHA512
f6b8f8429e1e7cbf3f123e2c5d5a0ef60fc37e9618a3a09a4bed4d35f3e02807445c9da3c8559dbfa37b1b8170e6e501b76c059db7335b7fa8ef4073db3916b3

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

Filesize
572KB

MD5
c674fd588c94466586bbf83c4d069265

SHA1
557c42418f05f80cf9c808bb71a0dc740cbe50b8

SHA256
d466b49b23c79b098ea54dcfcafb87bf36650baa3135f8b1c34c30000003a6c6

SHA512
12085c9d2d17b0a2ad8c1764da9ea9f7aebc7b9722a3267fa57c76c670b5f099f5039a80d72217ef4ad932a477d749ba50d044c76d25acf4dfe01e631f7dd660

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2164-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2664-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2664-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2664-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2664-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads