gh0strat | 4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f

Analysis

max time kernel
150s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 14:18

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
Size 6.1MB
Sample240625-rl8qnavcqb
SHA256 4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f
MD5 940becd774564d722029e5a5199efe79
SHA1 01ee511b3c5b022d39878cfe8d89765bfe95cbdc
SHA512 fc1fea7461f821fcb2d435acb93c085db511fa8df1d8be1dd8683060945d83a01f9ed44f9226f421605c22c19c684b4aacc0c4352b74f823d60a771165ff13ea
SSDEEP 98304:pGdVyVT9nOgmhiYdEbHRraY5sNwJAroBX8470V:2WT9nO7QSEtraY2NmAuI
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/2460-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2460-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2460-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3792-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3792-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4252-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3792-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4252-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3792-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4252-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4252-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/2460-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2460-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2460-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3792-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3792-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4252-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023429-26.dat	family_gh0strat
behavioral2/memory/3792-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4252-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3792-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4252-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4252-38-0x0000000010000000-0x00000000101B6000-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 5 IoCs

pid	Process
2460	svchost.exe
3792	TXPlatforn.exe
3720	svchos.exe
4252	TXPlatforn.exe
3312	HD_4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe

Loads dropped DLL 1 IoCs

pid	Process
3720	svchos.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2460-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2460-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2460-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2460-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3792-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3792-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3792-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4252-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3792-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4252-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3792-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4252-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4252-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240598000.txt	svchos.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3188	3720	WerFault.exe	88

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2876	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4252	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2460	svchost.exe
Token: SeLoadDriverPrivilege	4252	TXPlatforn.exe
Token: 33	4252	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4252	TXPlatforn.exe
Token: 33	4252	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4252	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 2460	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	85
PID 4944 wrote to memory of 2460	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	85
PID 4944 wrote to memory of 2460	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	85
PID 2460 wrote to memory of 2072	2460	svchost.exe	87
PID 2460 wrote to memory of 2072	2460	svchost.exe	87
PID 2460 wrote to memory of 2072	2460	svchost.exe	87
PID 4944 wrote to memory of 3720	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	88
PID 4944 wrote to memory of 3720	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	88
PID 4944 wrote to memory of 3720	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	88
PID 3792 wrote to memory of 4252	3792	TXPlatforn.exe	89
PID 3792 wrote to memory of 4252	3792	TXPlatforn.exe	89
PID 3792 wrote to memory of 4252	3792	TXPlatforn.exe	89
PID 2072 wrote to memory of 2876	2072	cmd.exe	94
PID 2072 wrote to memory of 2876	2072	cmd.exe	94
PID 2072 wrote to memory of 2876	2072	cmd.exe	94
PID 4944 wrote to memory of 3312	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	98
PID 4944 wrote to memory of 3312	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	98
PID 4944 wrote to memory of 3312	4944	4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe	98

C:\Users\Admin\AppData\Local\Temp\4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
"C:\Users\Admin\AppData\Local\Temp\4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2460
- - 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\svchost.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2072
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2876
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:3720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 452
    3⤵
    - Program crash
    PID:3188
- C:\Users\Admin\AppData\Local\Temp\HD_4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
  2⤵
  - Executes dropped EXE
  PID:3312

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3792
- 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:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3720 -ip 3720
1⤵
PID:2352

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

vlc.exe

Path C:\Program Files\VideoLAN\VLC\vlc.exe
Size 2.5MB
SHA256 b7fa7c1ebc97bc46bf186dbeb921e47bb48704633cea2964e74c3ab4b4166272
MD5 88823f92fcb6e412cfce7b3284dc927b
SHA1 cdb54e357473cb2b457489cc1fa9a49535b7500a
SHA512 b3d8dadabe6bf038ee1d1a62fa6c9e5999b747d3a747f50acb9b1b1d2431dd0716fd71c19be62e6af5e810ed88ffae3750694ee256e1f213bd6770b8e8b70135
SSDEEP 49152:vQZAdVyVT9n/Gg0P+Whoyx3J9CdEXrMxAibBEZ1LWtBzkOm:IGdVyVT9nOgmhvYdEbMZOAC
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_4f2959d6259411181f0efbcec8eea068f8cab19bb22dc06e3b142fc8efa7a87f.exe
Size 4.6MB
SHA256 3ba2601e0d7a0cf8b7d9da9b529fddf2853dcfeb6bc9c570acb680b6570196d1
MD5 d64f6b6553112461c00889d4d8a2b3d9
SHA1 cfe0f4d0ac81e0e6fdb292b0677fb1c27e0c575d
SHA512 b3532cd02495b3456b369ce7dd37dd1eef131c762974b822e8d6cda999f421136a11b8982bb355c1868ea9203048c24c62e7343f03cf0384ca840e0de90c32b9
SSDEEP 49152:ctiAraeAy57ASKJHN/iwiJJ/yroB2K84o8UaTD0VMakQHxH:cRraY5sNwJAroBX8470V
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.5MB
SHA256 786ebd7233ca6670d5caff6c3be81b637ed686d90522f565a8be4c91763c90d4
MD5 68c6bc7a23cef28c8f08c9292ffa40cf
SHA1 9cf461801301fe0f1e007be1cde07f28f479a0ab
SHA512 8742d0a7977c00373640e220434d648693f18b574c5622b5cd240f0cd87bc4cf7263537c92425c97e2261737929c6520f4d1bd534f81d4173b423c2ef9d4ec4a
SSDEEP 24576:gQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVUd3nJtq4CdEXMdIQwJ:gQZAdVyVT9n/Gg0P+Whoz3J9CdEXrJ
MD5 SHA1 SHA512 SSDEEP

Submit Download

svchos.exe

Path C:\Users\Admin\AppData\Local\Temp\svchos.exe
Size 93KB
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
SSDEEP 1536:ktbE7m8nNEQ2O6ReWMWfPbp2WTrW9L3JPPgJ+o5FJYHvh/P6:Bm+2LReWjTrW9rNPgYoTJYHvh
MD5 SHA1 SHA512 SSDEEP

Submit Download

svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 377KB
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YgL7:HclcceBKlKwAg0Mja/UafOVwbhF
MD5 SHA1 SHA512 SSDEEP

Submit Download

240598000.txt

Path C:\Windows\SysWOW64\240598000.txt
Size 50KB
SHA256 f5b89c2fbdd8294c2b0bbc7b5a691c39de78e36987bf5ca697f35784f96b2336
MD5 7a47b4847b9e58bc4371c9b48012df31
SHA1 afa4033121f205790e9e113d76a23a851a80ff15
SHA512 dae1729b296ec1a55907bf7073fe7f6027789a724ee0f9503dfe9cadc32f388b7d49949211759de2a9876336f299acee38607d073c830ad8d309d9062f2298d2
SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o58JYH:W5ReWjTrW9rNPgYoqJYH
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2460-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2460-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2460-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2460-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3792-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3792-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3792-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3792-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3792-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4252-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4252-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4252-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4252-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Download