gh0strat | a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb

General

Target

a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe
Size

1.6MB
MD5

a211a272b47232ef44eec739aafbdb3c
SHA1

989e2bd6a54d7d532638d6843f07eea5bbee355a
SHA256

a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb
SHA512

52e6fbc19743052b21e746467e79102a4bb8da35f27fe97970068dcda97b47a7ca7cd23f224cdd9152b3e2986fc8709d265f001101f62818142b6ff839845d27
SSDEEP

24576:Ui2Tro2H2HESq2eWJ6MQjySjysIAIdqaWw1MsbTScPq:UxTc2H2tFvduySDIAZa7isbT3y

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/2204-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2204-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2204-13-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2204-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2696-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2204-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2204-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2204-13-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2696-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2204-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2696-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2900-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2900-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2900-40-0x0000000010000000-0x00000000101B6000-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 5 IoCs

pid	Process
2204	RVN.exe
2772	HD_a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe
1200	Process not Found
2696	TXPlatforn.exe
2900	TXPlatforn.exe

Loads dropped DLL 3 IoCs

pid	Process
2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe
2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe
2696	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/2204-11-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2204-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2204-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2204-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2204-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2696-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\DPINST.LOG	HD_a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe

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	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.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
2684	PING.EXE
2084	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2684	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2900	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2204	RVN.exe
Token: SeLoadDriverPrivilege	2900	TXPlatforn.exe
Token: 33	2900	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2900	TXPlatforn.exe
Token: 33	2900	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2900	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2204	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	31
PID 2656 wrote to memory of 2204	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	31
PID 2656 wrote to memory of 2204	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	31
PID 2656 wrote to memory of 2204	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	31
PID 2656 wrote to memory of 2204	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	31
PID 2656 wrote to memory of 2204	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	31
PID 2656 wrote to memory of 2204	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	31
PID 2656 wrote to memory of 2772	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	32
PID 2656 wrote to memory of 2772	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	32
PID 2656 wrote to memory of 2772	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	32
PID 2656 wrote to memory of 2772	2656	a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe	32
PID 2204 wrote to memory of 2084	2204	RVN.exe	34
PID 2204 wrote to memory of 2084	2204	RVN.exe	34
PID 2204 wrote to memory of 2084	2204	RVN.exe	34
PID 2204 wrote to memory of 2084	2204	RVN.exe	34
PID 2696 wrote to memory of 2900	2696	TXPlatforn.exe	35
PID 2696 wrote to memory of 2900	2696	TXPlatforn.exe	35
PID 2696 wrote to memory of 2900	2696	TXPlatforn.exe	35
PID 2696 wrote to memory of 2900	2696	TXPlatforn.exe	35
PID 2696 wrote to memory of 2900	2696	TXPlatforn.exe	35
PID 2696 wrote to memory of 2900	2696	TXPlatforn.exe	35
PID 2696 wrote to memory of 2900	2696	TXPlatforn.exe	35
PID 2084 wrote to memory of 2684	2084	cmd.exe	37
PID 2084 wrote to memory of 2684	2084	cmd.exe	37
PID 2084 wrote to memory of 2684	2084	cmd.exe	37
PID 2084 wrote to memory of 2684	2084	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe
"C:\Users\Admin\AppData\Local\Temp\a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656
- 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:2204
- - 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:2084
  - - 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:2684
- C:\Users\Admin\AppData\Local\Temp\HD_a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2772

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:2696
- 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:2900

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_X.dat

Filesize
580KB

MD5
63af77466f47c62575f2c7436054e7d1

SHA1
df7dc110326e9102833df6660eab0b907460305c

SHA256
5b80aaf17fde3cf47fc956990009eea74847b0f5685e62e16c32da99fa6499f2

SHA512
0584561d5d1090729430657f58a6347dbfbcfa97eca9af4b28f76154a34ee47bedf18af4b6aa2c7851b67139e2f5bc43a7a25d4a6411d2770277e9b0e76070f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a7bd103f6b14d0f8b70effc5e438c95b6653227eb0bd918cb259112b3aa2adcb.exe

Filesize
1023KB

MD5
aa0a91227631a09cd075d315646fb7a9

SHA1
c0b86c4d6f1e05b842573081bcc7754fcbcaf5bb

SHA256
c20a5d3f5be543a8e73cd25f9dbf14aa0fc4ba1fdc249ee4ff91d159d174d0ea

SHA512
685ae6a514128eefe8fee6cb9e456ea584b91358090dffb41205ab2a2f37e91b4007e6745ccb1e29bc42d191cdb651337c7ca3cf29ef31e8d1aeea56af34c2c4

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2204-11-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2204-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2204-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2204-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2204-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2696-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads