gh0strat | 050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 05:16

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General

Target
050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
Size 4.5MB
Sample240529-fyc9qsbf2s
SHA256 050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca
MD5 69829056b08c3ffdb91a24a51f4a1a63
SHA1 76eef9c1e0d9db6e440d0f878494bbae27b94919
SHA512 d37dc86ad2448e629ef6d072d4ec8d5be26e7dd07bba410373e89a3d2175e999ef6242fcb30265cae9d35a3c70688717bfcc781278486ddd70840cfaca4818fa
SSDEEP 49152:E89XJt4HIZ/Gg0P+WhdUd6iZJ0fEfTnfW4ZCKac3bT3+37W1jVbmZ8dJqyHEtdb/:9ZJt4HIZOgmhid6y0T8tRmwiKrC+m
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2100-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2100-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4924-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4924-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4924-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4036-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4036-74-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4924-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4036-77-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4036-78-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/2100-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2100-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4924-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4924-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4924-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4036-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4036-74-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4924-73-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4036-77-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4036-78-0x0000000010000000-0x00000000101B6000-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
2100	QQ.exe
4924	TXPlatforn.exe
1500	HD_050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
4036	TXPlatforn.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2100-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2100-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2100-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4924-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4924-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4924-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4036-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4924-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4036-74-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4924-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4036-77-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4036-78-0x0000000010000000-0x00000000101B6000-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 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.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
540	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4036	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2100	QQ.exe
Token: SeLoadDriverPrivilege	4036	TXPlatforn.exe
Token: 33	4036	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4036	TXPlatforn.exe
Token: 33	4036	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4036	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 2100	3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe	81
PID 3964 wrote to memory of 2100	3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe	81
PID 3964 wrote to memory of 2100	3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe	81
PID 2100 wrote to memory of 2556	2100	QQ.exe	83
PID 2100 wrote to memory of 2556	2100	QQ.exe	83
PID 2100 wrote to memory of 2556	2100	QQ.exe	83
PID 3964 wrote to memory of 1500	3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe	84
PID 3964 wrote to memory of 1500	3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe	84
PID 3964 wrote to memory of 1500	3964	050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe	84
PID 4924 wrote to memory of 4036	4924	TXPlatforn.exe	85
PID 4924 wrote to memory of 4036	4924	TXPlatforn.exe	85
PID 4924 wrote to memory of 4036	4924	TXPlatforn.exe	85
PID 2556 wrote to memory of 540	2556	cmd.exe	87
PID 2556 wrote to memory of 540	2556	cmd.exe	87
PID 2556 wrote to memory of 540	2556	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
"C:\Users\Admin\AppData\Local\Temp\050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3964
- 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:2100
- - 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:2556
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:540
- C:\Users\Admin\AppData\Local\Temp\HD_050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
  C:\Users\Admin\AppData\Local\Temp\HD_050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
  2⤵
  - Executes dropped EXE
  PID:1500

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4924
- 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:4036

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

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Downloads

HD_050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_050c928a78f91417417da10efe05dea20b0b651415addc3cda7a12cb7077fcca.exe
Size 2.9MB
SHA256 c688bfa23fe695b8d330e85195170988834a8dbcbad0e18a251a6b33395ccfee
MD5 6be94dabb4e32fdcc398923a1461b76d
SHA1 8916d1eebddcc017e3b1e3feb288a4b9772c483f
SHA512 51a3ab8a956d0be7471b7dd6fcd7f3912636edd5881bdc40eb8d8afde079fe11b08c9a46f0044788c18105ec13967ba5f43a3885207845595fcb5ae0cadd2c36
SSDEEP 49152:OiZJ0fEfTnfW4ZCKac3bT3+37W1jVbmZ8dJqyHEtdbhMroWTRmwiKrCidXf8uQMU:Oy0T8tRmwiKrC+m
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.7MB
SHA256 02d31c30f5aa067c7742e1a245611221952aea1867d6373dfef63182426b34f2
MD5 fe946a2f6fead54aab60f7b565ee9714
SHA1 54eee82c34f9ebcca3f2a7a0a308090979b8c74b
SHA512 2cae5bad6a52ffbb17a8993521a09fe5b1d871adf831a2b6eb68cbf02146813500806ba728eaf4e21baa4d46048cfe419a48a26e86e40c6812940b340273cd3d
SSDEEP 24576:E89tv9/7JtDElDEExIecl1erdg0MCiVWhR/Dcpde:E89XJt4HIZ/Gg0P+WhdUde
MD5 SHA1 SHA512 SSDEEP

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QQ.exe

Path C:\Users\Admin\AppData\Local\Temp\QQ.exe
Size 377KB
SHA256 bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b
MD5 3d6e7db5800f1dadb016cbf989749e3c
SHA1 7c09c438a352cbc4de5d7279bf07d36e8f6cbfef
SHA512 a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YoL7:HclcceBKlKwAg0Mja/UafOVwbhR
MD5 SHA1 SHA512 SSDEEP

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memory/2100-4-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2100-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2100-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4036-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4036-74-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4036-77-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4036-78-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4924-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4924-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4924-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4924-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4924-73-0x0000000010000000-0x00000000101B6000-memory.dmp

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