gh0strat | e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff

Analysis

max time kernel
151s
max time network
121s
platform
windows7_x64
resource
win7-20230824-en
resource tags

arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
submitted
31/08/2023, 14:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2212-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2212-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2212-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2400-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2248-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2248-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2248-71-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2212-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2212-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2212-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2400-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2212-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2400-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2248-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2248-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2248-71-0x0000000010000000-0x00000000101B6000-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
2212	RVN.exe
2400	TXPlatforn.exe
2104	HD_e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
2248	TXPlatforn.exe

Loads dropped DLL 3 IoCs

pid	Process
1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
2400	TXPlatforn.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2212-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2212-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2212-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2212-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2400-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2212-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2400-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2248-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2248-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2248-71-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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

Drops file in Program Files directory 4 IoCs

description	ioc	Process
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
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.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
2876	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2248	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2212	RVN.exe
Token: SeLoadDriverPrivilege	2248	TXPlatforn.exe
Token: 33	2248	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2248	TXPlatforn.exe
Token: 33	2248	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2248	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 2212	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	28
PID 1412 wrote to memory of 2212	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	28
PID 1412 wrote to memory of 2212	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	28
PID 1412 wrote to memory of 2212	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	28
PID 1412 wrote to memory of 2212	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	28
PID 1412 wrote to memory of 2212	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	28
PID 1412 wrote to memory of 2212	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	28
PID 1412 wrote to memory of 2104	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	30
PID 1412 wrote to memory of 2104	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	30
PID 1412 wrote to memory of 2104	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	30
PID 1412 wrote to memory of 2104	1412	e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe	30
PID 2212 wrote to memory of 2564	2212	RVN.exe	31
PID 2212 wrote to memory of 2564	2212	RVN.exe	31
PID 2212 wrote to memory of 2564	2212	RVN.exe	31
PID 2212 wrote to memory of 2564	2212	RVN.exe	31
PID 2400 wrote to memory of 2248	2400	TXPlatforn.exe	33
PID 2400 wrote to memory of 2248	2400	TXPlatforn.exe	33
PID 2400 wrote to memory of 2248	2400	TXPlatforn.exe	33
PID 2400 wrote to memory of 2248	2400	TXPlatforn.exe	33
PID 2400 wrote to memory of 2248	2400	TXPlatforn.exe	33
PID 2400 wrote to memory of 2248	2400	TXPlatforn.exe	33
PID 2400 wrote to memory of 2248	2400	TXPlatforn.exe	33
PID 2564 wrote to memory of 2876	2564	cmd.exe	35
PID 2564 wrote to memory of 2876	2564	cmd.exe	35
PID 2564 wrote to memory of 2876	2564	cmd.exe	35
PID 2564 wrote to memory of 2876	2564	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
"C:\Users\Admin\AppData\Local\Temp\e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1412
- 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:2212
- - 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:2564
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2876
- C:\Users\Admin\AppData\Local\Temp\HD_e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
  C:\Users\Admin\AppData\Local\Temp\HD_e51b0bc031c51b426f84321160b5c07335c3578cd25e78eb4495e49e8c7cf7ff.exe
  2⤵
  - Executes dropped EXE
  PID:2104

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2400
- 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:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

Filesize
5.1MB

MD5
5a687d92e7e5b897d940a957c58f4b93

SHA1
315ec2cc6837fd8065a410dabfc5afc192c4f856

SHA256
e3eb80a72e7cd76dc24afd78a890e4d51ce0cb68586156167c9aba096b3fc75f

SHA512
2d526d3e6b2ca1cb327b9f151794bd7aefbf8e9fff5d1b50b022afc4fb030fda60efb2ebf487217057efc4c740266d0e5441d5fdae60ee903c7e9052d2714089

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2212-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2212-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2212-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2212-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2212-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2400-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2400-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download