gh0strat | f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 20:42

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General

Target

f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
Size

2.4MB
MD5

5581a7acf5518fe229fdecd75bd986e2
SHA1

1aa994f29ac0b79826526e8e9f594fb8edaeba01
SHA256

f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621
SHA512

3db3cc3429ecc4152c496b5bff445483866527e5f6be693f0bba2032db7b850ea39ff60b73fa8983b5909ad8a176ccf14abd0dca4026e22d712981f4c7aa59a8
SSDEEP

49152:9CwsbCANnKXferL7Vwe/Gg0P+WhbYF7R2:Aws2ANnKXOaeOgmhgR2

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2396-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2692-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2396-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2396-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000155e2-6.dat	family_gh0strat
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2396-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2692-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2396-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2396-52-0x0000000010000000-0x00000000101B6000-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 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259427619.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
2720	R.exe
2592	N.exe
2692	TXPlatfor.exe
2396	TXPlatfor.exe
2424	HD_f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
572	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
2720	R.exe
2116	svchost.exe
2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
2692	TXPlatfor.exe
2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
2440	Process not Found
2116	svchost.exe
572	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2592-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2396-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2692-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2396-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2396-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
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\259427619.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2416	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2396	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2592	N.exe
Token: SeLoadDriverPrivilege	2396	TXPlatfor.exe
Token: 33	2396	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2396	TXPlatfor.exe
Token: 33	2396	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2396	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2720	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	28
PID 2740 wrote to memory of 2720	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	28
PID 2740 wrote to memory of 2720	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	28
PID 2740 wrote to memory of 2720	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	28
PID 2740 wrote to memory of 2592	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	31
PID 2740 wrote to memory of 2592	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	31
PID 2740 wrote to memory of 2592	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	31
PID 2740 wrote to memory of 2592	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	31
PID 2740 wrote to memory of 2592	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	31
PID 2740 wrote to memory of 2592	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	31
PID 2740 wrote to memory of 2592	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	31
PID 2592 wrote to memory of 2400	2592	N.exe	33
PID 2592 wrote to memory of 2400	2592	N.exe	33
PID 2592 wrote to memory of 2400	2592	N.exe	33
PID 2592 wrote to memory of 2400	2592	N.exe	33
PID 2692 wrote to memory of 2396	2692	TXPlatfor.exe	34
PID 2692 wrote to memory of 2396	2692	TXPlatfor.exe	34
PID 2692 wrote to memory of 2396	2692	TXPlatfor.exe	34
PID 2692 wrote to memory of 2396	2692	TXPlatfor.exe	34
PID 2692 wrote to memory of 2396	2692	TXPlatfor.exe	34
PID 2692 wrote to memory of 2396	2692	TXPlatfor.exe	34
PID 2692 wrote to memory of 2396	2692	TXPlatfor.exe	34
PID 2740 wrote to memory of 2424	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	36
PID 2740 wrote to memory of 2424	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	36
PID 2740 wrote to memory of 2424	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	36
PID 2740 wrote to memory of 2424	2740	f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe	36
PID 2400 wrote to memory of 2416	2400	cmd.exe	38
PID 2400 wrote to memory of 2416	2400	cmd.exe	38
PID 2400 wrote to memory of 2416	2400	cmd.exe	38
PID 2400 wrote to memory of 2416	2400	cmd.exe	38
PID 2116 wrote to memory of 572	2116	svchost.exe	39
PID 2116 wrote to memory of 572	2116	svchost.exe	39
PID 2116 wrote to memory of 572	2116	svchost.exe	39
PID 2116 wrote to memory of 572	2116	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
"C:\Users\Admin\AppData\Local\Temp\f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2720
- 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:2592
- - 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:2400
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2416
- C:\Users\Admin\AppData\Local\Temp\HD_f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
  C:\Users\Admin\AppData\Local\Temp\HD_f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe
  2⤵
  - Executes dropped EXE
  PID:2424

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2940

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:2116
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259427619.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:572

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2692
- 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:2396

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

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
32fc7958be0c55a4e59f59423ff580fe

SHA1
92be6dcfaa1428120ca91e0b9a3a1e4d1e3ae3c5

SHA256
221cca3d86bd76e048b250e5f8c869bf462d9d4fe665af832ad794866ad0ee01

SHA512
ea842038fdd19a3e5ed93686a234847f6048300865fadb328a335f52dc5d35f2f3568b0164eda543c7616df8ac3905041091daeec09b4d38446762fa2723e3a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_f4de54db152c46d5550da6dc907887c06fb38e1610004dbd80923bb95608f621.exe

Filesize
21KB

MD5
90ba300f5b07f592b5e29d153be1bdb9

SHA1
ae1c28cc610b11666d4e8fa46f1b95330eabc3ad

SHA256
712fc12c5dc015e8bddc549b3fc39bb6bc21c01b96186d55a9c8a49986357cde

SHA512
8962114671d37011acdb35e27c29e95ccd262d104095982a94a48c2f52a9da310c74853c44705bfb505629c9e7fc37a662a54105624031395fcef933931747e5

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\259427619.txt

Filesize
899KB

MD5
d10d1e9ee84beb86b059f19f69ff753d

SHA1
f8c5640875e298a02cd1a1fb0c978925a18a85cc

SHA256
45300f69af272a58022d4a97ae7c1737d4968f0e7a1fd9e7bf0357973de8f831

SHA512
ed1f744a1b6d65e74339490e92294bb94fb0fdee90d18db726d8c80059b9d14153fab5a701101ea06c646d7fe9c5ebe112b607c23e82e522a0e5f6922e2e852b

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2396-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2396-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2396-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2692-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download