gh0strat | e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff

General

Target

e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
Size

6.3MB
MD5

7eef4f131f3d78a193880761886f4ecd
SHA1

4d3b592c149b7a8d91e238ac99e50b187103add8
SHA256

e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff
SHA512

8b6b8243785514ec3605dbbce189eea023fc923e96a8178805a7e9230db15cb570c2379925a74960593fca7e4b9ba3e5256e6fcf9e4dc08f8c4d3a4a56e262ce
SSDEEP

98304:5ZJt4HINy2LkfefS7peKOB3NLSiwbrM95+NTl:biINy2Lkfe4pc3+rk5ql

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2660-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2660-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2700-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2700-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2700-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2660-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/872-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/872-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/872-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral2/memory/2660-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2660-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2700-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2700-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2700-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2700-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2660-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/872-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/872-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/872-46-0x0000000010000000-0x00000000101B6000-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 4 IoCs

pid	Process
2660	RVN.exe
2700	TXPlatforn.exe
872	TXPlatforn.exe
4864	HD_e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2660-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2660-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2660-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2660-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2700-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2700-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2700-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2700-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2700-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2660-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/872-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/872-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/872-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

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

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4768	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
872	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2660	RVN.exe
Token: SeLoadDriverPrivilege	872	TXPlatforn.exe
Token: 33	872	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	872	TXPlatforn.exe
Token: 33	872	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	872	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 2660	4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	82
PID 4680 wrote to memory of 2660	4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	82
PID 4680 wrote to memory of 2660	4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	82
PID 2660 wrote to memory of 1524	2660	RVN.exe	84
PID 2660 wrote to memory of 1524	2660	RVN.exe	84
PID 2660 wrote to memory of 1524	2660	RVN.exe	84
PID 2700 wrote to memory of 872	2700	TXPlatforn.exe	86
PID 2700 wrote to memory of 872	2700	TXPlatforn.exe	86
PID 2700 wrote to memory of 872	2700	TXPlatforn.exe	86
PID 4680 wrote to memory of 4864	4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	85
PID 4680 wrote to memory of 4864	4680	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	85
PID 1524 wrote to memory of 4768	1524	cmd.exe	89
PID 1524 wrote to memory of 4768	1524	cmd.exe	89
PID 1524 wrote to memory of 4768	1524	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
"C:\Users\Admin\AppData\Local\Temp\e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4680
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:1524
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4768
- C:\Users\Admin\AppData\Local\Temp\HD_e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
  C:\Users\Admin\AppData\Local\Temp\HD_e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
  2⤵
  - Executes dropped EXE
  PID:4864

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2700
- 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:872

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.3MB

MD5
865f49fde5e60d5e52f046125203ae3a

SHA1
6b5f40e589a9d1a7667f72de460924553d96a5cb

SHA256
45707c546fde0dad4100f131e4d4040538c88a8da3aee086a1463a9ad0b9aca6

SHA512
bb8dd1c85172562f8a850e62d34aad218e8a70ebe613111b4127fec16c00933a796fde277f9c6ac9b9a7875c044dc5ba2999fb4f241af4c9c0f1b8d889bef9af

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe

Filesize
5.1MB

MD5
5a687d92e7e5b897d940a957c58f4b93

SHA1
315ec2cc6837fd8065a410dabfc5afc192c4f856

SHA256
e3eb80a72e7cd76dc24afd78a890e4d51ce0cb68586156167c9aba096b3fc75f

SHA512
2d526d3e6b2ca1cb327b9f151794bd7aefbf8e9fff5d1b50b022afc4fb030fda60efb2ebf487217057efc4c740266d0e5441d5fdae60ee903c7e9052d2714089

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/872-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/872-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/872-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads