gh0strat | c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4

Analysis

max time kernel
150s
max time network
148s
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, 06:46

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General

Target
c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
Size 4.7MB
Sample240529-hjns2aef69
SHA256 c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4
MD5 f6565cd2cd888f63063bf9c037a39cf6
SHA1 4ba5acf413ff2c3c9f125a5be8b1377e5ccfdf8d
SHA512 f690d7a1762e1f1d3a414803c9c4dc4e63d44bcaffba3e5385deb983bcef36aa0195f27b2c7df44bea4b0af26382fce123a8ffb4845b4662770ec774f9a6d8f1
SSDEEP 49152:jQZAdVyVT9n/Gg0P+WhoCSyn26bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHCr:EGdVyVT9nOgmhRSyn26bXsPN5kiQaZ56
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 12 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2552-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2552-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2552-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3660-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3660-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3660-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2968-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2968-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2968-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2968-56-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2968-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3660-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 14 IoCs

resource	yara_rule
behavioral2/memory/2552-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2552-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2552-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3660-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3660-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3660-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2968-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2968-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2968-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2968-56-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2968-59-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000233ca-34.dat	family_gh0strat
behavioral2/memory/3660-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2968-26-0x0000000010000000-0x00000000101B6000-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 DLL path for service in the 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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240601812.txt"	svchos.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 6 IoCs

pid	Process
2552	svchost.exe
3660	TXPlatforn.exe
2968	TXPlatforn.exe
2884	svchos.exe
1536	HD_c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
1112	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
2884	svchos.exe
60	svchost.exe
1112	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2552-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2552-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2552-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2552-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2968-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2968-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2968-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2968-56-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2968-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2968-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3660-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 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\240601812.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.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
4340	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2968	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: SeLoadDriverPrivilege	2968	TXPlatforn.exe
Token: 33	2968	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2968	TXPlatforn.exe
Token: 33	2968	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2968	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 2552	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	82
PID 996 wrote to memory of 2552	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	82
PID 996 wrote to memory of 2552	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	82
PID 2552 wrote to memory of 4484	2552	svchost.exe	84
PID 2552 wrote to memory of 4484	2552	svchost.exe	84
PID 2552 wrote to memory of 4484	2552	svchost.exe	84
PID 3660 wrote to memory of 2968	3660	TXPlatforn.exe	85
PID 3660 wrote to memory of 2968	3660	TXPlatforn.exe	85
PID 3660 wrote to memory of 2968	3660	TXPlatforn.exe	85
PID 996 wrote to memory of 2884	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	86
PID 996 wrote to memory of 2884	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	86
PID 996 wrote to memory of 2884	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	86
PID 996 wrote to memory of 1536	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	89
PID 996 wrote to memory of 1536	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	89
PID 996 wrote to memory of 1536	996	c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe	89
PID 4484 wrote to memory of 4340	4484	cmd.exe	91
PID 4484 wrote to memory of 4340	4484	cmd.exe	91
PID 4484 wrote to memory of 4340	4484	cmd.exe	91
PID 60 wrote to memory of 1112	60	svchost.exe	94
PID 60 wrote to memory of 1112	60	svchost.exe	94
PID 60 wrote to memory of 1112	60	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
"C:\Users\Admin\AppData\Local\Temp\c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:996
- 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:2552
- - 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:4484
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4340
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2884
- C:\Users\Admin\AppData\Local\Temp\HD_c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
  C:\Users\Admin\AppData\Local\Temp\HD_c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
  2⤵
  - Executes dropped EXE
  PID:1536

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3660
- 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:2968

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:5076

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:60
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240601812.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1112

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_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.6MB
SHA256 1c6f3f3c7be6da2feb2bccb5a834df3317dce8f7b396547bcac4e69569fd575a
MD5 79f1722a8bace71a7b13db8f26911284
SHA1 7dd16d9302bcb471e728d5a6069104292d785515
SHA512 c7f8f8696b46da410c1771a9ac3197f6f03aa901fd95b2f971b3896e2c57e62251af8a19038bba61a9b7907c44e1e1dabf85383975b3817b63d1d52a1206f501
SSDEEP 24576:jQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV/FSyn2o:jQZAdVyVT9n/Gg0P+WhoCSyn2o
MD5 SHA1 SHA512 SSDEEP

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HD_c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_c36e78f270afcfaea19a2e9dfd86e7f3f12c116731b2edb5d132823d3be709b4.exe
Size 3.1MB
SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
MD5 fb083acd60fe5c3156dc25442be815e3
SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
SSDEEP 49152:0bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLhp:0bXsPN5kiQaZ56
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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240601812.txt

Path C:\Windows\SysWOW64\240601812.txt
Size 50KB
SHA256 8ff4fda725a9b163628287407a515249e99f21bd5451a5f5ae95031e92e2820e
MD5 723cc99aadec3cc0c7dfd9ac28184496
SHA1 60ce3d1d7a7014bd5a54180e510f60f7c805c0fe
SHA512 cf987393755f9fa87a57eb7fe30ae0bd3933e9ca6c6236c413e6e06efdfea425d6b0fe9035d70b8ed7cade956e378e8c4b3341be8fcf8abb3b506e3af74c920a
SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o5fJYH:W5ReWjTrW9rNPgYohJYH
MD5 SHA1 SHA512 SSDEEP

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Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Path C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/2552-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2552-5-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2552-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2552-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2968-59-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2968-37-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2968-43-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2968-36-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2968-56-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2968-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3660-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3660-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3660-30-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3660-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3660-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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