gh0strat | 90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06

Analysis

max time kernel
150s
max time network
140s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
28-08-2023 09:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
Size

6.3MB
MD5

0597492e98b160c2f4b8014a3978735e
SHA1

943bd576fc0129a22741453afb1fb16a71983add
SHA256

90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06
SHA512

225f8a38f4676152605e50dd782831f1578ff069bb2a6dc7c977552c13f7316d8e85d40d16fbc7dad43e7d10def1bb4dd57c352f989653b0eea19f56a1493a0f
SSDEEP

98304:fZJt4HIZOgmhUefS7peKOB3NLSiwbrM95+NTl:xiIZO7ye4pc3+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/1956-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1956-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1536-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2648-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2648-68-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2648-71-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/1956-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1536-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1956-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1536-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2648-66-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2648-68-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2648-71-0x0000000010000000-0x00000000101B6000-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
1956	QQ.exe
1536	TXPlatforn.exe
2648	TXPlatforn.exe
2152	HD_90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe

Loads dropped DLL 3 IoCs

pid	Process
2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
1536	TXPlatforn.exe
2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1956-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1536-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1536-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-68-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-71-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

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

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	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.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
2904	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2648	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1956	QQ.exe
Token: SeLoadDriverPrivilege	2648	TXPlatforn.exe
Token: 33	2648	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2648	TXPlatforn.exe
Token: 33	2648	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2648	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 1956	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	28
PID 2676 wrote to memory of 1956	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	28
PID 2676 wrote to memory of 1956	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	28
PID 2676 wrote to memory of 1956	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	28
PID 2676 wrote to memory of 1956	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	28
PID 2676 wrote to memory of 1956	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	28
PID 2676 wrote to memory of 1956	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	28
PID 1956 wrote to memory of 1528	1956	QQ.exe	30
PID 1956 wrote to memory of 1528	1956	QQ.exe	30
PID 1956 wrote to memory of 1528	1956	QQ.exe	30
PID 1956 wrote to memory of 1528	1956	QQ.exe	30
PID 1536 wrote to memory of 2648	1536	TXPlatforn.exe	33
PID 1536 wrote to memory of 2648	1536	TXPlatforn.exe	33
PID 1536 wrote to memory of 2648	1536	TXPlatforn.exe	33
PID 1536 wrote to memory of 2648	1536	TXPlatforn.exe	33
PID 1536 wrote to memory of 2648	1536	TXPlatforn.exe	33
PID 1536 wrote to memory of 2648	1536	TXPlatforn.exe	33
PID 1536 wrote to memory of 2648	1536	TXPlatforn.exe	33
PID 2676 wrote to memory of 2152	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	32
PID 2676 wrote to memory of 2152	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	32
PID 2676 wrote to memory of 2152	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	32
PID 2676 wrote to memory of 2152	2676	90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe	32
PID 1528 wrote to memory of 2904	1528	cmd.exe	34
PID 1528 wrote to memory of 2904	1528	cmd.exe	34
PID 1528 wrote to memory of 2904	1528	cmd.exe	34
PID 1528 wrote to memory of 2904	1528	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
"C:\Users\Admin\AppData\Local\Temp\90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\QQ.exe
  C:\Users\Admin\AppData\Local\Temp\\QQ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1956
- - 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\QQ.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1528
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2904
- C:\Users\Admin\AppData\Local\Temp\HD_90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
  C:\Users\Admin\AppData\Local\Temp\HD_90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe
  2⤵
  - Executes dropped EXE
  PID:2152

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1536
- 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:2648

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_90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe

Filesize
5.1MB

MD5
5a687d92e7e5b897d940a957c58f4b93

SHA1
315ec2cc6837fd8065a410dabfc5afc192c4f856

SHA256
e3eb80a72e7cd76dc24afd78a890e4d51ce0cb68586156167c9aba096b3fc75f

SHA512
2d526d3e6b2ca1cb327b9f151794bd7aefbf8e9fff5d1b50b022afc4fb030fda60efb2ebf487217057efc4c740266d0e5441d5fdae60ee903c7e9052d2714089

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

Filesize
1.3MB

MD5
1b00ca3c90e4d409a1c42e38c8908efb

SHA1
4f1a731335a221cc396e87ecd8bf72c936bf4468

SHA256
270c70adfb6ceb8b4c30e827215fea59078f8879bd4228f6f3b0d3980f986347

SHA512
9721083227362d02bffd13b5dab1ee7f94effe5dae4246e131edf123e0e74212b0fb0fbbf2383d8d5347f2f2d9d24605c5fec2538ad8691b0357ee7a9726e7df

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
\Users\Admin\AppData\Local\Temp\HD_90ed91fd6083bcdfef0f0ccdafa02356fbf93fa5915e31c75e6df95936efae06.exe

Filesize
5.1MB

MD5
5a687d92e7e5b897d940a957c58f4b93

SHA1
315ec2cc6837fd8065a410dabfc5afc192c4f856

SHA256
e3eb80a72e7cd76dc24afd78a890e4d51ce0cb68586156167c9aba096b3fc75f

SHA512
2d526d3e6b2ca1cb327b9f151794bd7aefbf8e9fff5d1b50b022afc4fb030fda60efb2ebf487217057efc4c740266d0e5441d5fdae60ee903c7e9052d2714089

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
memory/1536-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1536-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-68-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download