gh0strat | 6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 14:59

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General

Target
6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
Size 2.1MB
Sample240526-sc2resad2x
SHA256 6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400
MD5 f47fdde5812aa7f34ac503ada5b59ee6
SHA1 cc1b9acd576a44559ec0763ec97824224812b658
SHA512 1e23eea28fa2dd0fa2b011483202d39ad869ce68443edfa63ed68b4b5fb32c4096dcba5b588cba3ce3c00b0111ce3f9f39a19ab0c5a9779949c8244fee393828
SSDEEP 49152:EQZAdVyVT9n/Gg0P+WhoepegDmn2DZPItx2apeapelI:VGdVyVT9nOgmhsgDmn2OtUvlI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2096-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2096-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2096-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3056-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3056-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3048-83-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2096-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2096-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2096-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3056-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3056-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x000900000001344f-29.dat	family_gh0strat
behavioral1/memory/3048-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3048-83-0x0000000010000000-0x00000000101B6000-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\\259393969.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
2096	svchost.exe
3056	TXPlatforn.exe
2652	svchos.exe
3048	TXPlatforn.exe
2464	HD_6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
1908	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
3056	TXPlatforn.exe
2652	svchos.exe
2308	svchost.exe
1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
2308	svchost.exe
1908	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2096-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2096-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2096-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2096-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3056-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3056-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3048-83-0x0000000010000000-0x00000000101B6000-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\259393969.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 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.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
2592	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3048	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2096	svchost.exe
Token: SeLoadDriverPrivilege	3048	TXPlatforn.exe
Token: 33	3048	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3048	TXPlatforn.exe
Token: 33	3048	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3048	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2096	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	28
PID 1860 wrote to memory of 2096	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	28
PID 1860 wrote to memory of 2096	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	28
PID 1860 wrote to memory of 2096	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	28
PID 1860 wrote to memory of 2096	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	28
PID 1860 wrote to memory of 2096	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	28
PID 1860 wrote to memory of 2096	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	28
PID 2096 wrote to memory of 2716	2096	svchost.exe	30
PID 2096 wrote to memory of 2716	2096	svchost.exe	30
PID 2096 wrote to memory of 2716	2096	svchost.exe	30
PID 2096 wrote to memory of 2716	2096	svchost.exe	30
PID 1860 wrote to memory of 2652	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	32
PID 1860 wrote to memory of 2652	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	32
PID 1860 wrote to memory of 2652	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	32
PID 1860 wrote to memory of 2652	1860	6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe	32
PID 3056 wrote to memory of 3048	3056	TXPlatforn.exe	33
PID 3056 wrote to memory of 3048	3056	TXPlatforn.exe	33
PID 3056 wrote to memory of 3048	3056	TXPlatforn.exe	33
PID 3056 wrote to memory of 3048	3056	TXPlatforn.exe	33
PID 3056 wrote to memory of 3048	3056	TXPlatforn.exe	33
PID 3056 wrote to memory of 3048	3056	TXPlatforn.exe	33
PID 3056 wrote to memory of 3048	3056	TXPlatforn.exe	33
PID 2716 wrote to memory of 2592	2716	cmd.exe	36
PID 2716 wrote to memory of 2592	2716	cmd.exe	36
PID 2716 wrote to memory of 2592	2716	cmd.exe	36
PID 2716 wrote to memory of 2592	2716	cmd.exe	36
PID 2308 wrote to memory of 1908	2308	svchost.exe	38
PID 2308 wrote to memory of 1908	2308	svchost.exe	38
PID 2308 wrote to memory of 1908	2308	svchost.exe	38
PID 2308 wrote to memory of 1908	2308	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
"C:\Users\Admin\AppData\Local\Temp\6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1860
- 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:2096
- - 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:2716
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2592
- 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:2652
- C:\Users\Admin\AppData\Local\Temp\HD_6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
  C:\Users\Admin\AppData\Local\Temp\HD_6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
  2⤵
  - Executes dropped EXE
  PID:2464

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3056
- 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:3048

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2836

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:2308
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259393969.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1908

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 1.5MB
SHA256 ddd159c8c07e4ddd5d511bebe58cf5a1e3ff5b0673ff6b9e56c4c5d2c438c24e
MD5 8cabd885d76f30ed8b8f4c19b4539772
SHA1 aa67df5836ababfbabe6f24c88064dc7e17961a5
SHA512 7bb4924e2ae0f6f2be8e73a1a09e06d78ba1bfe97ac41da0029e2b903deb24eeb0de2f9b6bf959c2b3e48aa9c594382b9d16d40aba428a414a39bffec974804b
SSDEEP 24576:EQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV0wpeA1Dfun2q:EQZAdVyVT9n/Gg0P+WhoepegDmn2q
MD5 SHA1 SHA512 SSDEEP

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HD_6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe

Path \Users\Admin\AppData\Local\Temp\HD_6b9eed3c1ffaa485fc6229fa97a40a2bf69b1c7a8404484204e28aa027b51400.exe
Size 645KB
SHA256 7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7
MD5 00eae789b0aab1b0fbd23b830fbf1064
SHA1 e4e5fd089f6ae17c83f073cf91edc9db8189980d
SHA512 23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb
SSDEEP 12288:HNpZY93s7p1R0Ys/tx2tzwHJem7OzwHJe0Ihf7M:HNpZY67zRfItx2hwpemIwpelDM
MD5 SHA1 SHA512 SSDEEP

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svchos.exe

Path \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 \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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259393969.txt

Path \Windows\SysWOW64\259393969.txt
Size 50KB
SHA256 7ed48efba63c1de8ea560da27924859482fdc19260001189119fc5c1d05c5003
MD5 525786da2fb2d408464da3f4dced5529
SHA1 de143060909b127ca8b04c861297c6482950fe2c
SHA512 2809aeaf2a4150175206900584f745cafe10af87249b557e237f9940536eed1c556c4babdaf9c7b2859db0ef18c545519108fb8ab48dc4a8dd8ea711c5c4eb1c
SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o5XJYH:W5ReWjTrW9rNPgYoFJYH
MD5 SHA1 SHA512 SSDEEP

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Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Path \Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Size 43KB
SHA256 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
MD5 51138beea3e2c21ec44d0932c71762a8
SHA1 8939cf35447b22dd2c6e6f443446acc1bf986d58
SHA512 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
SSDEEP 768:mD+ellQvZSazSRqbSEln5IyYpamDjobj8SpM:E+QWvZhSRqln5IUmDjoXV
MD5 SHA1 SHA512 SSDEEP

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memory/2096-12-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2096-8-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2096-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2096-5-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3048-43-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3048-46-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3048-83-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3056-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3056-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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