gh0strat | 0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4

General

Target

0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe
Size

1.2MB
MD5

d675e9b703eb80205f53c16d6913522f
SHA1

4460ab43adc25966125271fbb1b0c7383153157d
SHA256

0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4
SHA512

764d1946cc90c57fd7c7d2bac6f0bd741934c6fed188c15548f97be5e7ce018bb0c28e407d8980cf25416f0be95eea3cf75b4711c34e2bbc644a354a916c949e
SSDEEP

24576:R09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+DwpeWz4:R09XJt4HIN2H2tFvduySipe04

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/1428-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1428-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1428-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2476-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2476-62-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1428-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1428-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1428-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2476-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-59-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2476-62-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-60-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-66-0x0000000010000000-0x00000000101B6000-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 3 IoCs

pid	Process
1428	RVN.exe
2476	TXPlatforn.exe
2700	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe
2476	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 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1428-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1428-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1428-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1428-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2476-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2476-62-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.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

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
2816	cmd.exe
2292	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2292	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2700	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1428	RVN.exe
Token: SeLoadDriverPrivilege	2700	TXPlatforn.exe
Token: 33	2700	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2700	TXPlatforn.exe
Token: 33	2700	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2700	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe
1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1428	1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe	29
PID 1656 wrote to memory of 1428	1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe	29
PID 1656 wrote to memory of 1428	1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe	29
PID 1656 wrote to memory of 1428	1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe	29
PID 1656 wrote to memory of 1428	1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe	29
PID 1656 wrote to memory of 1428	1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe	29
PID 1656 wrote to memory of 1428	1656	0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe	29
PID 1428 wrote to memory of 2816	1428	RVN.exe	31
PID 1428 wrote to memory of 2816	1428	RVN.exe	31
PID 1428 wrote to memory of 2816	1428	RVN.exe	31
PID 1428 wrote to memory of 2816	1428	RVN.exe	31
PID 2476 wrote to memory of 2700	2476	TXPlatforn.exe	33
PID 2476 wrote to memory of 2700	2476	TXPlatforn.exe	33
PID 2476 wrote to memory of 2700	2476	TXPlatforn.exe	33
PID 2476 wrote to memory of 2700	2476	TXPlatforn.exe	33
PID 2476 wrote to memory of 2700	2476	TXPlatforn.exe	33
PID 2476 wrote to memory of 2700	2476	TXPlatforn.exe	33
PID 2476 wrote to memory of 2700	2476	TXPlatforn.exe	33
PID 2816 wrote to memory of 2292	2816	cmd.exe	34
PID 2816 wrote to memory of 2292	2816	cmd.exe	34
PID 2816 wrote to memory of 2292	2816	cmd.exe	34
PID 2816 wrote to memory of 2292	2816	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe
"C:\Users\Admin\AppData\Local\Temp\0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656
- 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:1428
- - 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:2816
  - - 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:2292

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:2476
- 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:2700

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
1.2MB

MD5
d675e9b703eb80205f53c16d6913522f

SHA1
4460ab43adc25966125271fbb1b0c7383153157d

SHA256
0685a91e02f907ec3343835fb198faf95fdd8f4d0f43d51de7add88def1b02b4

SHA512
764d1946cc90c57fd7c7d2bac6f0bd741934c6fed188c15548f97be5e7ce018bb0c28e407d8980cf25416f0be95eea3cf75b4711c34e2bbc644a354a916c949e

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1428-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1428-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1428-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1428-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2476-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2476-62-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads