gh0strat | 63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 15:55

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General

Target

63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe
Size

2.4MB
MD5

2b0cc49c4a5968e8b5561d9f3fda7dca
SHA1

c0e7fc35f14e2aa52fc1a496ad4896fa2b9123e8
SHA256

63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb
SHA512

57c5332cd7463bc2e3a0bbf65f5744acd70b8d7c400e982de91482577a4e0453203a86083b465bd5bfc34184cd08f5839e1205dd98312a7335c78fc6f5547844
SSDEEP

24576:2CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHq:2CwsbCANnKXferL7Vwe/Gg0P+WhJ6U

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3612-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3612-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3612-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3796-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3796-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4132-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4132-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4132-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x0008000000023c89-5.dat	family_gh0strat
behavioral2/memory/3612-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3612-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3612-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3796-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3796-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4132-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4132-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4132-41-0x0000000010000000-0x00000000101B6000-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\\240635578.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 5 IoCs

Processes:

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

pid	Process
2724	R.exe
3612	N.exe
3796	TXPlatfor.exe
4132	TXPlatfor.exe
4468	Remote Data.exe

Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid	Process
2724	R.exe
4940	svchost.exe
4468	Remote Data.exe

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\240635578.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
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3612-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3612-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3612-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3612-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3796-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3796-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3796-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4132-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4132-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4132-41-0x0000000010000000-0x00000000101B6000-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.exe63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.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	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.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
1028	cmd.exe
1304	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1304	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid	Process
4132	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	3612	N.exe
Token: SeLoadDriverPrivilege	4132	TXPlatfor.exe
Token: 33	4132	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4132	TXPlatfor.exe
Token: 33	4132	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4132	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe

pid	Process
1572	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe
1572	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 1572 wrote to memory of 2724	1572	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe	83
PID 1572 wrote to memory of 2724	1572	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe	83
PID 1572 wrote to memory of 2724	1572	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe	83
PID 1572 wrote to memory of 3612	1572	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe	86
PID 1572 wrote to memory of 3612	1572	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe	86
PID 1572 wrote to memory of 3612	1572	63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe	86
PID 3612 wrote to memory of 1028	3612	N.exe	88
PID 3612 wrote to memory of 1028	3612	N.exe	88
PID 3612 wrote to memory of 1028	3612	N.exe	88
PID 3796 wrote to memory of 4132	3796	TXPlatfor.exe	89
PID 3796 wrote to memory of 4132	3796	TXPlatfor.exe	89
PID 3796 wrote to memory of 4132	3796	TXPlatfor.exe	89
PID 1028 wrote to memory of 1304	1028	cmd.exe	91
PID 1028 wrote to memory of 1304	1028	cmd.exe	91
PID 1028 wrote to memory of 1304	1028	cmd.exe	91
PID 4940 wrote to memory of 4468	4940	svchost.exe	93
PID 4940 wrote to memory of 4468	4940	svchost.exe	93
PID 4940 wrote to memory of 4468	4940	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe
"C:\Users\Admin\AppData\Local\Temp\63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1572
- 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:2724
- 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:3612
- - 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:1028
  - - 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:1304

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1528

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:4940
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240635578.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4468

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3796
- 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:4132

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_X.dat

Filesize
2.4MB

MD5
2b0cc49c4a5968e8b5561d9f3fda7dca

SHA1
c0e7fc35f14e2aa52fc1a496ad4896fa2b9123e8

SHA256
63a21f1f4a7345799da0fdc90d2cdcc4bb8c64dce78266681ff27fbd399dd4fb

SHA512
57c5332cd7463bc2e3a0bbf65f5744acd70b8d7c400e982de91482577a4e0453203a86083b465bd5bfc34184cd08f5839e1205dd98312a7335c78fc6f5547844

Download Submit
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:\Windows\SysWOW64\240635578.txt

Filesize
899KB

MD5
c8722d36e372a2c504c1101c49089d87

SHA1
af624c6eb6268a362bdea987488f1dd7af5d55ea

SHA256
3b3f71cf725152a89fedaec9b69ac6c019575290a1c2200b9207ccd668087339

SHA512
3c3b92bdcbc25888803630b1398b8a04ce9552ba614208f0282c71eaac841e5572d58a37f7eed4e83d3fda6e703a4ce20a5dd4ebe84e34a3c2cf502582e3c851

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3612-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3612-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3612-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3612-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3796-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3796-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3796-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4132-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4132-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4132-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download