gh0strat | e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 07:27

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General

Target

e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
Size

2.5MB
MD5

1fe8540ce0db398a195e5fd2d6542607
SHA1

1c1102e58a3bc34140f8b7f0298b5c941bafef8a
SHA256

e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6
SHA512

e67f7de632a9d1a5fac4b6a3cdde415e6343d2b2198bbacd3e0f05277875d7fdd736324f41c567a7f35385caf645722d5f090c0d591824cc694e3cd0909a9a89
SSDEEP

24576:DCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHK:DCwsbCANnKXferL7Vwe/Gg0P+WhBT

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2804-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2804-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2804-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000014b28-6.dat	family_gh0strat
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2804-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2804-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2804-45-0x0000000010000000-0x00000000101B6000-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\\259411519.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 5 IoCs

pid	Process
2236	R.exe
2648	N.exe
2616	TXPlatfor.exe
2804	TXPlatfor.exe
768	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
2236	R.exe
2584	svchost.exe
800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
2616	TXPlatfor.exe
2584	svchost.exe
768	Remote Data.exe

Drops file in System32 directory 6 IoCs

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\259411519.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

resource	yara_rule
behavioral1/memory/2648-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2804-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2804-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2804-45-0x0000000010000000-0x00000000101B6000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
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

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

pid	Process
2628	PING.EXE
2388	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2628	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2804	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2648	N.exe
Token: SeLoadDriverPrivilege	2804	TXPlatfor.exe
Token: 33	2804	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2804	TXPlatfor.exe
Token: 33	2804	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2804	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2236	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	28
PID 800 wrote to memory of 2236	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	28
PID 800 wrote to memory of 2236	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	28
PID 800 wrote to memory of 2236	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	28
PID 800 wrote to memory of 2648	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	31
PID 800 wrote to memory of 2648	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	31
PID 800 wrote to memory of 2648	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	31
PID 800 wrote to memory of 2648	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	31
PID 800 wrote to memory of 2648	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	31
PID 800 wrote to memory of 2648	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	31
PID 800 wrote to memory of 2648	800	e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe	31
PID 2648 wrote to memory of 2388	2648	N.exe	33
PID 2648 wrote to memory of 2388	2648	N.exe	33
PID 2648 wrote to memory of 2388	2648	N.exe	33
PID 2648 wrote to memory of 2388	2648	N.exe	33
PID 2616 wrote to memory of 2804	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2804	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2804	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2804	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2804	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2804	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2804	2616	TXPlatfor.exe	34
PID 2388 wrote to memory of 2628	2388	cmd.exe	36
PID 2388 wrote to memory of 2628	2388	cmd.exe	36
PID 2388 wrote to memory of 2628	2388	cmd.exe	36
PID 2388 wrote to memory of 2628	2388	cmd.exe	36
PID 2584 wrote to memory of 768	2584	svchost.exe	38
PID 2584 wrote to memory of 768	2584	svchost.exe	38
PID 2584 wrote to memory of 768	2584	svchost.exe	38
PID 2584 wrote to memory of 768	2584	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe
"C:\Users\Admin\AppData\Local\Temp\e2a3657c7a2621e1be036e7c0f5ce4a15ad398cea685f93fdde06ee5fdbe20d6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:800
- 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:2236
- 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:2648
- - 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:2388
  - - 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:2628

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2676

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:2584
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259411519.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:768

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:2616
- 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:2804

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

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Downloads

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Users\Admin\Desktop\RequestWrite.exe

Filesize
3.0MB

MD5
be904ffff4279f7254f3dab1e5a69628

SHA1
e049f087b7d35cb221202968cc381ab8b9e2d65e

SHA256
ec2fd7da13beb53dbf9187d3d6378e6eb92789806987ee977f126769791beb27

SHA512
652249224220992e82c3a34adf471c6ef1939fa4b7e3a9760329d430f2e7f19a0d42acb6299493e458e9c6bd173f2279867b1817b71294c626b837d3915ac5b9

Download Submit
\Windows\SysWOW64\259411519.txt

Filesize
899KB

MD5
07bd9ac0e2778e6cfdf02d05c3bceb34

SHA1
6f515939e6aac49d36014b9b5dba6aef6cc91314

SHA256
0bd8dc29a7c2230ca011872e6b18c73b83f7f00f936490c47909782f3dca5249

SHA512
04b095fd6fc63463bee32adf3aa380a96a370fc754f016b2651f0db3b1c3629204d38a025cbd8d9f4c7358e52fe742b634951c15373a30ddab06bb37f6f80777

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2648-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2648-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads