gh0strat | 58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0

General

Target

58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
Size

1.4MB
MD5

05c0333f9fdff907d97ec903660de4a5
SHA1

ec7c0f4cfe1fb353eab105a6cfa149b480fcf7ce
SHA256

58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0
SHA512

873edeb12bc160def68ec90b357c01a26d63361bee08e2b2c3e1f1fa9fcd59d8f123611e4e99b4724ed212775c224e4c8673a63835e6946df4b5cd2dda467122
SSDEEP

24576:ri2Tro2H2HESq2eWJ6MQjySjykt5KHUtkP7IFBLzRA5m9/KTquoo+/iKP:rxTc2H2tFvduyStHeTUaTq

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2564-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2028-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2496-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2496-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2028-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2496-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2496-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2564-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2028-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2496-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2496-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2028-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2496-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2496-45-0x0000000010000000-0x00000000101B6000-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
2564	RVN.exe
2308	HD_58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
2028	TXPlatforn.exe
2496	TXPlatforn.exe

Loads dropped DLL 4 IoCs

pid	Process
1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
2028	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 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2564-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2028-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2496-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2496-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2028-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2496-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2496-45-0x0000000010000000-0x00000000101B6000-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	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.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
2452	cmd.exe
2220	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2220	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2496	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2564	RVN.exe
Token: SeLoadDriverPrivilege	2496	TXPlatforn.exe
Token: 33	2496	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2496	TXPlatforn.exe
Token: 33	2496	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2496	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2564	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	30
PID 1832 wrote to memory of 2564	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	30
PID 1832 wrote to memory of 2564	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	30
PID 1832 wrote to memory of 2564	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	30
PID 1832 wrote to memory of 2564	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	30
PID 1832 wrote to memory of 2564	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	30
PID 1832 wrote to memory of 2564	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	30
PID 1832 wrote to memory of 2308	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	31
PID 1832 wrote to memory of 2308	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	31
PID 1832 wrote to memory of 2308	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	31
PID 1832 wrote to memory of 2308	1832	58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe	31
PID 2028 wrote to memory of 2496	2028	TXPlatforn.exe	34
PID 2028 wrote to memory of 2496	2028	TXPlatforn.exe	34
PID 2028 wrote to memory of 2496	2028	TXPlatforn.exe	34
PID 2028 wrote to memory of 2496	2028	TXPlatforn.exe	34
PID 2028 wrote to memory of 2496	2028	TXPlatforn.exe	34
PID 2028 wrote to memory of 2496	2028	TXPlatforn.exe	34
PID 2028 wrote to memory of 2496	2028	TXPlatforn.exe	34
PID 2564 wrote to memory of 2452	2564	RVN.exe	35
PID 2564 wrote to memory of 2452	2564	RVN.exe	35
PID 2564 wrote to memory of 2452	2564	RVN.exe	35
PID 2564 wrote to memory of 2452	2564	RVN.exe	35
PID 2452 wrote to memory of 2220	2452	cmd.exe	37
PID 2452 wrote to memory of 2220	2452	cmd.exe	37
PID 2452 wrote to memory of 2220	2452	cmd.exe	37
PID 2452 wrote to memory of 2220	2452	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
"C:\Users\Admin\AppData\Local\Temp\58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832
- 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:2564
- - 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:2452
  - - 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:2220
- C:\Users\Admin\AppData\Local\Temp\HD_58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe
  2⤵
  - Executes dropped EXE
  PID:2308

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:2028
- 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:2496

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
572KB

MD5
c674fd588c94466586bbf83c4d069265

SHA1
557c42418f05f80cf9c808bb71a0dc740cbe50b8

SHA256
d466b49b23c79b098ea54dcfcafb87bf36650baa3135f8b1c34c30000003a6c6

SHA512
12085c9d2d17b0a2ad8c1764da9ea9f7aebc7b9722a3267fa57c76c670b5f099f5039a80d72217ef4ad932a477d749ba50d044c76d25acf4dfe01e631f7dd660

Download Submit
\Users\Admin\AppData\Local\Temp\HD_58b37c51dd2dfae62b0b14e6eb058fa5bd5973b071a07808f75b6542342951c0.exe

Filesize
847KB

MD5
03b2a8b89adf8e6109540d96c896c445

SHA1
b3025c68d2c8e8ec6812b4afe649aade170f37d8

SHA256
fb643016c486ace208374eccdd50f214cf25999a2c51a6627c3dadb6c170c025

SHA512
3fe125702f96c1157af452d96c2a436ccb6250f8feb383fc664f9ec493daed10877f18da8ebd5bc0f1e80e0ad1f3e681ad3bec312a083d01f459d86845692107

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2028-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2028-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2308-20-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/2496-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2496-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2496-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2496-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads