gh0strat | 8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d

Analysis

max time kernel
150s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 06:08

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General

Target
8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe
Size 1.4MB
Sample240529-gv7vlsdf86
SHA256 8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d
MD5 55887acd3bac07aaf6221e186996c8ed
SHA1 9048c48e7c5ca0d34ead300389df6141a4bb210d
SHA512 1fa38561f874706586348270ba9c0e3ae76ce90a235b18dcb3e7d9fbc4b2d8c52b0d478a0ed775c2ed88f2d2f522592dc55f7abb9e63930b44a1dcc8d4d0b525
SSDEEP 24576:GQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV9wpeLj:GQZAdVyVT9n/Gg0P+WhoLpen
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3004-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3004-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3004-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2032-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2032-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2032-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2032-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2740-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2740-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2740-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/3004-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3004-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3004-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2032-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2032-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2032-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023415-24.dat	family_gh0strat
behavioral2/memory/2032-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2740-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2740-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2740-37-0x0000000010000000-0x00000000101B6000-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
3004	svchost.exe
2032	TXPlatforn.exe
1744	svchos.exe
2740	TXPlatforn.exe

Loads dropped DLL 1 IoCs

pid	Process
1744	svchos.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3004-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3004-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3004-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3004-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2032-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2032-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2032-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2032-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2032-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2740-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2740-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2740-37-0x0000000010000000-0x00000000101B6000-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 (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4640	1744	WerFault.exe	85
4552	1744	WerFault.exe	85
4820	1744	WerFault.exe	85

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4392	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2740	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3004	svchost.exe
Token: SeLoadDriverPrivilege	2740	TXPlatforn.exe
Token: 33	2740	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2740	TXPlatforn.exe
Token: 33	2740	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2740	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1616	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe
1616	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 3004	1616	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe	82
PID 1616 wrote to memory of 3004	1616	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe	82
PID 1616 wrote to memory of 3004	1616	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe	82
PID 3004 wrote to memory of 736	3004	svchost.exe	84
PID 3004 wrote to memory of 736	3004	svchost.exe	84
PID 3004 wrote to memory of 736	3004	svchost.exe	84
PID 1616 wrote to memory of 1744	1616	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe	85
PID 1616 wrote to memory of 1744	1616	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe	85
PID 1616 wrote to memory of 1744	1616	8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe	85
PID 2032 wrote to memory of 2740	2032	TXPlatforn.exe	87
PID 2032 wrote to memory of 2740	2032	TXPlatforn.exe	87
PID 2032 wrote to memory of 2740	2032	TXPlatforn.exe	87
PID 736 wrote to memory of 4392	736	cmd.exe	92
PID 736 wrote to memory of 4392	736	cmd.exe	92
PID 736 wrote to memory of 4392	736	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe
"C:\Users\Admin\AppData\Local\Temp\8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1616
- 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:3004
- - 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:736
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4392
- 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:1744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 476
    3⤵
    - Program crash
    PID:4640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 496
    3⤵
    - Program crash
    PID:4552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 504
    3⤵
    - Program crash
    PID:4820

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2032
- 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:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1744 -ip 1744
1⤵
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1744 -ip 1744
1⤵
PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1744 -ip 1744
1⤵
PID:3896

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

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.4MB
SHA256 8cbcfcefcbaf58f3820f5a63c721b361bd66fbb5a6cd49b84df142fb9e97ca0d
MD5 55887acd3bac07aaf6221e186996c8ed
SHA1 9048c48e7c5ca0d34ead300389df6141a4bb210d
SHA512 1fa38561f874706586348270ba9c0e3ae76ce90a235b18dcb3e7d9fbc4b2d8c52b0d478a0ed775c2ed88f2d2f522592dc55f7abb9e63930b44a1dcc8d4d0b525
SSDEEP 24576:GQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV9wpeLj:GQZAdVyVT9n/Gg0P+WhoLpen
MD5 SHA1 SHA512 SSDEEP

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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

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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

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240598000.txt

Path C:\Windows\SysWOW64\240598000.txt
Size 50KB
SHA256 1889851172944cdd53887d8bbf5be7ca9d8dd6f85ed491fc4049d9a762231b9f
MD5 7dcac2421d933f3deddc8234a8761b5d
SHA1 b13e0572a63506359899317dbaac93f6ca246f2e
SHA512 17a558a857328b7523295f79ad32403109b42ead56b175fc153e39c6e0ed8ebd56f81f81ae411c82295a6d7952a1c3a03dcbe925106102531392795b8598f732
SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o5BJYH:W5ReWjTrW9rNPgYovJYH
MD5 SHA1 SHA512 SSDEEP

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memory/2032-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2032-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2032-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2032-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2032-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2740-32-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2740-36-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2740-37-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3004-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3004-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3004-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3004-4-0x0000000010000000-0x00000000101B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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