gh0strat | e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03/05/2024, 19:15

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General

Target

e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
Size

2.6MB
MD5

28338efe1231658d49ade7a000388950
SHA1

7c141b9aa566b9f0c3174a3f9cfcb509e726b6e4
SHA256

e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5
SHA512

dffee5d72efde5a37b0fa5af10d05f81165224ef2d863e6d8f90afb1023575d488cb5a68b8fccbcdc36d6f2f5d028cad75222d0d994d9db43e84d3c46a2e412c
SSDEEP

49152:gCwsbCANnKXferL7Vwe/Gg0P+Wh5ghMoV:rws2ANnKXOaeOgmhyX

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/2192-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2192-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2588-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x001500000001471d-6.dat	family_gh0strat
behavioral1/memory/2192-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2192-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2588-52-0x0000000010000000-0x00000000101B6000-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\\259398805.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
1708	R.exe
2192	N.exe
2544	TXPlatfor.exe
2588	TXPlatfor.exe
2704	HD_e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
2940	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
1708	R.exe
1028	svchost.exe
1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
2544	TXPlatfor.exe
1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
1028	svchost.exe
2940	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2192-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2192-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2192-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2588-52-0x0000000010000000-0x00000000101B6000-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\259398805.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2664	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
2704	HD_e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2588	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2192	N.exe
Token: SeLoadDriverPrivilege	2588	TXPlatfor.exe
Token: 33	2588	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2588	TXPlatfor.exe
Token: 33	2588	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2588	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 1708	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	28
PID 1032 wrote to memory of 1708	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	28
PID 1032 wrote to memory of 1708	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	28
PID 1032 wrote to memory of 1708	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	28
PID 1032 wrote to memory of 2192	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	31
PID 1032 wrote to memory of 2192	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	31
PID 1032 wrote to memory of 2192	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	31
PID 1032 wrote to memory of 2192	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	31
PID 1032 wrote to memory of 2192	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	31
PID 1032 wrote to memory of 2192	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	31
PID 1032 wrote to memory of 2192	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	31
PID 2192 wrote to memory of 2660	2192	N.exe	33
PID 2192 wrote to memory of 2660	2192	N.exe	33
PID 2192 wrote to memory of 2660	2192	N.exe	33
PID 2192 wrote to memory of 2660	2192	N.exe	33
PID 2544 wrote to memory of 2588	2544	TXPlatfor.exe	35
PID 2544 wrote to memory of 2588	2544	TXPlatfor.exe	35
PID 2544 wrote to memory of 2588	2544	TXPlatfor.exe	35
PID 2544 wrote to memory of 2588	2544	TXPlatfor.exe	35
PID 2544 wrote to memory of 2588	2544	TXPlatfor.exe	35
PID 2544 wrote to memory of 2588	2544	TXPlatfor.exe	35
PID 2544 wrote to memory of 2588	2544	TXPlatfor.exe	35
PID 1032 wrote to memory of 2704	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	36
PID 1032 wrote to memory of 2704	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	36
PID 1032 wrote to memory of 2704	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	36
PID 1032 wrote to memory of 2704	1032	e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe	36
PID 2660 wrote to memory of 2664	2660	cmd.exe	37
PID 2660 wrote to memory of 2664	2660	cmd.exe	37
PID 2660 wrote to memory of 2664	2660	cmd.exe	37
PID 2660 wrote to memory of 2664	2660	cmd.exe	37
PID 1028 wrote to memory of 2940	1028	svchost.exe	38
PID 1028 wrote to memory of 2940	1028	svchost.exe	38
PID 1028 wrote to memory of 2940	1028	svchost.exe	38
PID 1028 wrote to memory of 2940	1028	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
"C:\Users\Admin\AppData\Local\Temp\e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1032
- 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:1708
- 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:2192
- - 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:2660
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2664
- C:\Users\Admin\AppData\Local\Temp\HD_e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
  C:\Users\Admin\AppData\Local\Temp\HD_e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2704

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2212

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:1028
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259398805.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2940

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2544
- 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:2588

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
2.5MB

MD5
953d8ca270621e3781dd71bf478ee62c

SHA1
6f7327f7b4bb9b8f2733b212fa85124e020c806a

SHA256
5a16a7b44fb1bffabe8af04c5863006e4d75a30108a74d548eccba2904038930

SHA512
76739439c0d802d46b7bc73b6dca6c4dbbac184ef2828e2cac19aa722be930971483f091dea74ddbd51cc951913fbe9f3c545908aa92fae666c6bc450f36689d

Download Submit
\Users\Admin\AppData\Local\Temp\HD_e5be32ad12e5055f66435901823fefe07bd2484385f24e48e2e40e0bc1f7a1d5.exe

Filesize
177KB

MD5
3777d465a6815c634cd7f88d4c874596

SHA1
346c1a7cbcf65b8ee3fc8a4fd1e91bd442d8aee9

SHA256
a152f77f9a09707978012beca1fe598068aa1475e2163239db009ebff26e9ea6

SHA512
0efa84a53ba0850b4f668fc526586875d776012989a96434441cf150b76b02521962b2522399d9d6b52bdcd316fc39d4ef47f90a05bfe5e864522c08771d9ba0

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\259398805.txt

Filesize
899KB

MD5
cd308d0f543518b9efaaed5e6cd882cd

SHA1
a179ed1c861a87ff5c185ad832a2b4f5bee49d67

SHA256
2e3e83b49d85a8daf868e354523e7335625359947997c4119301577935b3d377

SHA512
8852e5736ed12cf5f09c82e5595689b6052a146bce56a9e3773bb3e065127de2611beefea0dd8bceaee0309c9cf3a18ab56fc345acee72effc4d61043f953ace

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2192-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2192-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2192-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2588-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download