gh0strat | 9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 22:14

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General

Target

9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
Size

3.9MB
MD5

e38da33cdb29ea17ff7c9a0f10115c82
SHA1

949499e34ea29767811c4b642cc8d997e5c201ba
SHA256

9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30
SHA512

c5c059b0d93b955f62cd741da8ad7552228b3fd77241f5a46ee7d3ed48b184ceb11440f76816434c71e20dccf1b7f66dca0cca5b6a825ff167c4a4d225dd8031
SSDEEP

98304:Rws2ANnKXOaeOgmhNGYazFWSJ8NfZNxmSULU:DKXbeO7++Smf1m0

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2464-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2464-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/376-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/376-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/376-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0008000000016652-6.dat	family_gh0strat
behavioral1/memory/2464-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2464-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/376-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/376-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/376-52-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

Processes:

TXPlatfor.exe

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

Processes:

R.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259441534.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exeRemote Data.exe

pid	Process
300	R.exe
2464	N.exe
688	TXPlatfor.exe
376	TXPlatfor.exe
2720	HD_9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
2604	Remote Data.exe

Loads dropped DLL 9 IoCs

Processes:

9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	Process
1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
300	R.exe
2008	svchost.exe
1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
688	TXPlatfor.exe
1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
2008	svchost.exe
2604	Remote Data.exe

Drops file in System32 directory 6 IoCs

Processes:

N.exeR.exesvchost.exe

description	ioc	Process
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\259441534.txt	R.exe
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

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2464-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2464-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2464-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/376-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/376-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/376-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

N.exeTXPlatfor.execmd.exePING.EXERemote Data.exe9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exeR.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

Processes:

cmd.exePING.EXE

pid	Process
796	cmd.exe
2840	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2840	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe

pid	Process
1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid	Process
376	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2464	N.exe
Token: SeLoadDriverPrivilege	376	TXPlatfor.exe
Token: 33	376	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	376	TXPlatfor.exe
Token: 33	376	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	376	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe

pid	Process
1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 1812 wrote to memory of 300	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	30
PID 1812 wrote to memory of 300	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	30
PID 1812 wrote to memory of 300	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	30
PID 1812 wrote to memory of 300	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	30
PID 1812 wrote to memory of 2464	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	33
PID 1812 wrote to memory of 2464	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	33
PID 1812 wrote to memory of 2464	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	33
PID 1812 wrote to memory of 2464	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	33
PID 1812 wrote to memory of 2464	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	33
PID 1812 wrote to memory of 2464	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	33
PID 1812 wrote to memory of 2464	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	33
PID 2464 wrote to memory of 796	2464	N.exe	35
PID 2464 wrote to memory of 796	2464	N.exe	35
PID 2464 wrote to memory of 796	2464	N.exe	35
PID 2464 wrote to memory of 796	2464	N.exe	35
PID 688 wrote to memory of 376	688	TXPlatfor.exe	36
PID 688 wrote to memory of 376	688	TXPlatfor.exe	36
PID 688 wrote to memory of 376	688	TXPlatfor.exe	36
PID 688 wrote to memory of 376	688	TXPlatfor.exe	36
PID 688 wrote to memory of 376	688	TXPlatfor.exe	36
PID 688 wrote to memory of 376	688	TXPlatfor.exe	36
PID 688 wrote to memory of 376	688	TXPlatfor.exe	36
PID 1812 wrote to memory of 2720	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	38
PID 1812 wrote to memory of 2720	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	38
PID 1812 wrote to memory of 2720	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	38
PID 1812 wrote to memory of 2720	1812	9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe	38
PID 796 wrote to memory of 2840	796	cmd.exe	40
PID 796 wrote to memory of 2840	796	cmd.exe	40
PID 796 wrote to memory of 2840	796	cmd.exe	40
PID 796 wrote to memory of 2840	796	cmd.exe	40
PID 2008 wrote to memory of 2604	2008	svchost.exe	42
PID 2008 wrote to memory of 2604	2008	svchost.exe	42
PID 2008 wrote to memory of 2604	2008	svchost.exe	42
PID 2008 wrote to memory of 2604	2008	svchost.exe	42

C:\Users\Admin\AppData\Local\Temp\9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
"C:\Users\Admin\AppData\Local\Temp\9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1812
- 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
  - System Location Discovery: System Language Discovery
  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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2464
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:796
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2840
- C:\Users\Admin\AppData\Local\Temp\HD_9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
  C:\Users\Admin\AppData\Local\Temp\HD_9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe
  2⤵
  - Executes dropped EXE
  PID:2720

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2288

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259441534.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2604

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:688
- 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:376

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

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_9bdd03375842f849b436432d375278badc5cb2773d566147a60f24ed7c1f8d30.exe

Filesize
171KB

MD5
6e23a75daacc7f4d8c5597fa147f079d

SHA1
fecf72db67dfcd2ef9e555a3f82cf535ade4c109

SHA256
78d2c940108f8d84331480bb24d2a30d249e1c6a948d3804000b9e3039225431

SHA512
c07a1b61ae6300dcde84d1102399a1f6a7b967b8a7655f695b696167c0e7fd00e79cd52eb2f349ed8c499b8c4f1cd60382136158d77cd8c05e0b2b032bc97d20

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

Filesize
3.7MB

MD5
12244d395a9c93c7f2d5d311fcb562c0

SHA1
e8eeb81835a4044872a0fa1f2d852f0e34697853

SHA256
c893edaeee2b977698232511195ce1c3a1be0c280d9d698e6e0d7cd21758db77

SHA512
8d0125c39a6669bf96dab9ac6159f0ac1b577884928f1061cc2c11f948041b53af769393f4d47aba9c3f29d1fe495bf9604c55fbf55400274d88f636030ec588

Download Submit
C:\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\259441534.txt

Filesize
899KB

MD5
1e77a542d691f98cdfc628acfd30f160

SHA1
0f29cf0f921e4bc754b09c0ad7e5898ece07197c

SHA256
5b6b2e359bc93565b468d2abb75e456ea481fb8f68cf2d2bc87e64ced93b087c

SHA512
ed228387239ebb58145ea46aa1159abcf486098c213eea87e46d4ad5d8d2750dd17a96ad933200d9fccb36763d89def798260ab5829d215dda74194ae26977ab

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/376-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/376-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/376-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2464-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2464-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2464-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download