gh0strat | bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac

Analysis

max time kernel
150s
max time network
140s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 18:22

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General

Target

bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
Size

12.4MB
MD5

4c98ac510af3819517f9a70b9480365b
SHA1

dd259aa78ff26a831ca1c0447580770e11aaa5bf
SHA256

bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac
SHA512

5b59f93384cb4ae654d850ac688fec5c83e5c019b077cdeab5774f85e78f8748035947bba2b111d741c8c38974535e9efdee74746dd7c9735a1d483a42bbccef
SSDEEP

196608:CKXbeO7AxU7JgljgVIVkbVK0+Gw5s8aPBJVyc9BDalX:f7AFJIIVCVKYw5naPBCc9s9

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2116-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2116-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0036000000014574-6.dat	family_gh0strat
behavioral1/memory/2116-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2116-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-57-0x0000000010000000-0x00000000101B6000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259396528.txt"	R.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 6 IoCs

pid	Process
1208	R.exe
2116	N.exe
2724	TXPlatfor.exe
2764	TXPlatfor.exe
2536	HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
2572	Remote Data.exe

Loads dropped DLL 10 IoCs

pid	Process
1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
1208	R.exe
3036	svchost.exe
1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
2724	TXPlatfor.exe
1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
2536	HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
3036	svchost.exe
2572	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2116-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2116-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2116-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259396528.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2740	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2764	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2116	N.exe
Token: SeLoadDriverPrivilege	2764	TXPlatfor.exe
Token: 33	2764	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2764	TXPlatfor.exe
Token: 33	2764	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2764	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
2536	HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
2536	HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1208	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	28
PID 1212 wrote to memory of 1208	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	28
PID 1212 wrote to memory of 1208	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	28
PID 1212 wrote to memory of 1208	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	28
PID 1212 wrote to memory of 2116	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	31
PID 1212 wrote to memory of 2116	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	31
PID 1212 wrote to memory of 2116	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	31
PID 1212 wrote to memory of 2116	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	31
PID 1212 wrote to memory of 2116	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	31
PID 1212 wrote to memory of 2116	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	31
PID 1212 wrote to memory of 2116	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	31
PID 2116 wrote to memory of 2636	2116	N.exe	33
PID 2116 wrote to memory of 2636	2116	N.exe	33
PID 2116 wrote to memory of 2636	2116	N.exe	33
PID 2116 wrote to memory of 2636	2116	N.exe	33
PID 2724 wrote to memory of 2764	2724	TXPlatfor.exe	35
PID 2724 wrote to memory of 2764	2724	TXPlatfor.exe	35
PID 2724 wrote to memory of 2764	2724	TXPlatfor.exe	35
PID 2724 wrote to memory of 2764	2724	TXPlatfor.exe	35
PID 2724 wrote to memory of 2764	2724	TXPlatfor.exe	35
PID 2724 wrote to memory of 2764	2724	TXPlatfor.exe	35
PID 2724 wrote to memory of 2764	2724	TXPlatfor.exe	35
PID 1212 wrote to memory of 2536	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	36
PID 1212 wrote to memory of 2536	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	36
PID 1212 wrote to memory of 2536	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	36
PID 1212 wrote to memory of 2536	1212	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	36
PID 2636 wrote to memory of 2740	2636	cmd.exe	37
PID 2636 wrote to memory of 2740	2636	cmd.exe	37
PID 2636 wrote to memory of 2740	2636	cmd.exe	37
PID 2636 wrote to memory of 2740	2636	cmd.exe	37
PID 3036 wrote to memory of 2572	3036	svchost.exe	38
PID 3036 wrote to memory of 2572	3036	svchost.exe	38
PID 3036 wrote to memory of 2572	3036	svchost.exe	38
PID 3036 wrote to memory of 2572	3036	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
"C:\Users\Admin\AppData\Local\Temp\bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1208
- 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:2116
- - 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:2636
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2740
- C:\Users\Admin\AppData\Local\Temp\HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
  C:\Users\Admin\AppData\Local\Temp\HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:2536

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1556

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259396528.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2572

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2724
- 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:2764

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.4MB

MD5
abc063b09dae83361f529cd8ea1415b1

SHA1
3e9d12737543cff4bcd3c38ddba6a1ddec8c401d

SHA256
4cbdedfc76843087687a018bdfa235e3a5fa4db6bfb921025ce9259928068b6e

SHA512
fa916dc85eb4bac1b2d54ac18bf1434f5eb2eea16a55a3b76905296046c9eb55d003353d11d27258eba6f62c60397611dd9d75d72ce8c579777cc708c99d175a

Download Submit
\Users\Admin\AppData\Local\Temp\E2EECore.2.7.2.dll

Filesize
8.4MB

MD5
8b6c94bbdbfb213e94a5dcb4fac28ce3

SHA1
b56102ca4f03556f387f8b30e2b404efabe0cb65

SHA256
982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53

SHA512
9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

Download Submit
\Users\Admin\AppData\Local\Temp\HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe

Filesize
10.0MB

MD5
86a0f5bb3214da7fba994121dbc5b749

SHA1
12ce6a125ce0bcf2a4fcc8e95c6a4fafeab76532

SHA256
47fcb13327293a32b89ea5205a4ed3264ee7429af312c8f55836b72a6d2911ac

SHA512
4117d04d690d555c24d181b2dab7ba823975e7c32d0bd9e1ed3cd515aa9bcaecad31e7257269688351ad04f2549e47c09f70138edbed378b41826a3534a820c9

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259396528.txt

Filesize
899KB

MD5
c45636ae7e4e46b0c9d5653a71c15ec4

SHA1
9d41d99a34cdc7f9aba1cdf8fc305f6a215500da

SHA256
892a1e67ee7fa5c0ebae9333d1d0606d696f0b172019fac9e87df7d043253959

SHA512
bee6aa28fe2a765c5c7f9ab3f86cfefbcbb05cbb7744bd06f67abb6ce10b1d696d969b337250a172bf51e6f2b80a7454650381f2e3e37237554fb30531ce42b7

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2116-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2116-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2116-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download