gh0strat | 07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 02:20

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General

Target
07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
Size 7.6MB
Sample240529-csheqafe49
SHA256 07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f
MD5 6c957a3f91459376dae5a4886bc1087c
SHA1 a2c8e24e713342def1a7410a668a46144565f217
SHA512 192d6640efe36adcc7e63011e5bce4dc8898f285d6a78147e747b91bdc9c30a3e75ba026c6ace576307c725614198dcc4ff2efb0218aa396b6c8ca44cc97c129
SSDEEP 196608:kKXbeO7m3ZDSBFB973PHBdBpvXvDTdBtB/jznPnDvDDVnlEtd/B/BcFxMaN65ttg:V7IDYbjnl8d/hBuxMaN+tte
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx vmprotect

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2960-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2580-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2580-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2748-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2748-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2748-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015cd2-6.dat	family_gh0strat
behavioral1/memory/2960-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2580-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2580-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2748-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2748-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2748-46-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.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"	TXPlatfor.exe

Executes dropped EXE 5 IoCs

pid	Process
300	R.exe
2960	N.exe
2580	TXPlatfor.exe
2748	TXPlatfor.exe
2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe

Loads dropped DLL 5 IoCs

pid	Process
1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
300	R.exe
1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
2580	TXPlatfor.exe
1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2960-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2580-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2580-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2748-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2748-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2748-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/files/0x0007000000016122-38.dat	vmprotect
behavioral1/memory/2564-47-0x0000000001310000-0x0000000001996000-memory.dmp	vmprotect

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259397495.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.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
2400	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2748	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2960	N.exe
Token: SeLoadDriverPrivilege	2748	TXPlatfor.exe
Token: SeDebugPrivilege	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
Token: 33	2748	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2748	TXPlatfor.exe
Token: 33	2748	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2748	TXPlatfor.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 300	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	29
PID 1728 wrote to memory of 300	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	29
PID 1728 wrote to memory of 300	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	29
PID 1728 wrote to memory of 300	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	29
PID 1728 wrote to memory of 2960	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	30
PID 1728 wrote to memory of 2960	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	30
PID 1728 wrote to memory of 2960	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	30
PID 1728 wrote to memory of 2960	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	30
PID 1728 wrote to memory of 2960	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	30
PID 1728 wrote to memory of 2960	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	30
PID 1728 wrote to memory of 2960	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	30
PID 2960 wrote to memory of 2544	2960	N.exe	32
PID 2960 wrote to memory of 2544	2960	N.exe	32
PID 2960 wrote to memory of 2544	2960	N.exe	32
PID 2960 wrote to memory of 2544	2960	N.exe	32
PID 2580 wrote to memory of 2748	2580	TXPlatfor.exe	33
PID 2580 wrote to memory of 2748	2580	TXPlatfor.exe	33
PID 2580 wrote to memory of 2748	2580	TXPlatfor.exe	33
PID 2580 wrote to memory of 2748	2580	TXPlatfor.exe	33
PID 2580 wrote to memory of 2748	2580	TXPlatfor.exe	33
PID 2580 wrote to memory of 2748	2580	TXPlatfor.exe	33
PID 2580 wrote to memory of 2748	2580	TXPlatfor.exe	33
PID 1728 wrote to memory of 2564	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	35
PID 1728 wrote to memory of 2564	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	35
PID 1728 wrote to memory of 2564	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	35
PID 1728 wrote to memory of 2564	1728	07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	35
PID 2544 wrote to memory of 2400	2544	cmd.exe	36
PID 2544 wrote to memory of 2400	2544	cmd.exe	36
PID 2544 wrote to memory of 2400	2544	cmd.exe	36
PID 2544 wrote to memory of 2400	2544	cmd.exe	36
PID 2564 wrote to memory of 1220	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	37
PID 2564 wrote to memory of 1220	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	37
PID 2564 wrote to memory of 1220	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	37
PID 2564 wrote to memory of 1444	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	39
PID 2564 wrote to memory of 1444	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	39
PID 2564 wrote to memory of 1444	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	39
PID 2564 wrote to memory of 1736	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	40
PID 2564 wrote to memory of 1736	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	40
PID 2564 wrote to memory of 1736	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	40
PID 2564 wrote to memory of 1572	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	42
PID 2564 wrote to memory of 1572	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	42
PID 2564 wrote to memory of 1572	2564	HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe	42

C:\Users\Admin\AppData\Local\Temp\07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
"C:\Users\Admin\AppData\Local\Temp\07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:300
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2960
- - 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\N.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2544
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2400
- C:\Users\Admin\AppData\Local\Temp\HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
  C:\Users\Admin\AppData\Local\Temp\HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\system32\java.exe
    "C:\Windows\system32\java.exe" -version
    3⤵
    PID:1220
- - C:\Program Files\Java\jdk1.7.0_80\bin\java.exe
    "C:\Program Files\Java\jdk1.7.0_80\bin\java.exe" -version
    3⤵
    PID:1444
- - C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe
    "C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe" -version
    3⤵
    PID:1736
- - C:\Program Files\Java\jre7\bin\java.exe
    "C:\Program Files\Java\jre7\bin\java.exe" -version
    3⤵
    PID:1572

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:2748

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_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
Size 4.0MB
SHA256 a0cc237e040fcac58952dface637a5f79502151d41b02206c06cb0de096bab9a
MD5 023e2ea2a2ee66e1218594a904459060
SHA1 64c3f02e15e49d7acf0260ebfdc636e0f21b11cd
SHA512 e9d02a21c0fc1033e6e9b43e39207a306e856ce839b6f6c6b76148b86f3611db9e3830f9053df7deae989c52ac32df17e68377f20e2a280d0f8297c239c2a14c
SSDEEP 49152:qdovGPNyOUlEpDzVDGWkIB+Izexe6Yv2uKr3hpdpXDCIZqgpQYk5OR9cy2ZwR+T8:Gd/JD/B+IaPxjFDlMgp7Rey65ThteB
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 3.7MB
SHA256 c4551d9764db10b110aecd41652ffa74e43a47853a7c1980ca4306b942aa33c2
MD5 7e38eef7f3fa05c96affe2e1018403eb
SHA1 0541c973876dc23256fab032f2cc7038407bc498
SHA512 4382a3d1a392562b66ce65ddcf66e1c719f2383f75b169f28c566090d20221cde278a262d33016d70bdde77230eb70dc3f9da22f4bdd97f1876176bd220954e3
SSDEEP 98304:Wws2ANnKXOaeOgmhi353ZDSBFB973PHBdBpvXvDTdBtB/jznPnDvDDVnlEq+:kKXbeO7m3ZDSBFB973PHBdBpvXvDTdB8
MD5 SHA1 SHA512 SSDEEP

Submit Download

N.exe

Path \Users\Admin\AppData\Local\Temp\N.exe
Size 377KB
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
MD5 SHA1 SHA512 SSDEEP

Submit Download

R.exe

Path \Users\Admin\AppData\Local\Temp\R.exe
Size 941KB
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
MD5 SHA1 SHA512 SSDEEP

Submit Download

259397495.txt

Path \Windows\SysWOW64\259397495.txt
Size 899KB
SHA256 26ceac4a99769a6ee5c43e35c653655090b3f0b9fc7ed64093703f60f8a410f1
MD5 243c63ee1728ca1199b3d75eaff787dd
SHA1 17a591dae96e2a887d0886d0e38f53f6ce889278
SHA512 6a2d1517085aca95e5da6fdb8ba8c80c145478d2e2d6e8d1a894018d9d8d220d063b49c753cad455c8d34c7b5d30cca750e59a0583697f17b2e15ed3a303c75e
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXE:7wqd87VE
MD5 SHA1 SHA512 SSDEEP

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memory/1220-99-0x0000000000340000-0x0000000000341000-memory.dmp

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memory/1444-104-0x0000000000150000-0x0000000000151000-memory.dmp

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memory/1572-85-0x0000000000150000-0x0000000000151000-memory.dmp

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memory/1736-96-0x0000000000240000-0x0000000000241000-memory.dmp

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memory/2564-47-0x0000000001310000-0x0000000001996000-memory.dmp

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memory/2564-108-0x0000000000B10000-0x0000000000B1A000-memory.dmp

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memory/2564-107-0x0000000000B10000-0x0000000000B1A000-memory.dmp

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memory/2564-48-0x000000001BF10000-0x000000001C14A000-memory.dmp

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memory/2564-51-0x0000000000B10000-0x0000000000B1A000-memory.dmp

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memory/2564-50-0x0000000000B10000-0x0000000000B1A000-memory.dmp

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memory/2564-54-0x000000001C8C0000-0x000000001C968000-memory.dmp

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memory/2580-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2580-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2748-46-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2748-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2748-44-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2960-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2960-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2960-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2960-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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