gh0strat | 6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0

Analysis

max time kernel
150s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 12:30

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General

Target
6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe
Size 6.1MB
Sample240526-ppzk2scg2w
SHA256 6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0
MD5 59e315acad529bef196fbe265a262ae0
SHA1 1020ec5ac5f72d26dc8c819fff04e565e39e584f
SHA512 cb6f508702b1f18f9659c9d94aae801c43804f3fff707ebd3a411121488600fa04a4bd6de942d885d0d687fab2f7d99389890679785c63496b485b5a094a6ecf
SSDEEP 98304:zws2ANnKXOaeOgmhVBVWW+Mokr9Fcv3aOHc38pfFTn/xbq6m:VKXbeO7LYkrncfnpfRS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2788-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2788-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2788-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4948-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4948-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/996-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/996-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/996-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023490-5.dat	family_gh0strat
behavioral2/memory/2788-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2788-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2788-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4948-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4948-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/996-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/996-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/996-42-0x0000000010000000-0x00000000101B6000-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\\240604859.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
4040	R.exe
2788	N.exe
4948	TXPlatfor.exe
996	TXPlatfor.exe
2772	HD_6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe
4156	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4040	R.exe
3912	svchost.exe
4156	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2788-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2788-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2788-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2788-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4948-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4948-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4948-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/996-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/996-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/996-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240604859.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4072	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe
2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
996	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2788	N.exe
Token: SeLoadDriverPrivilege	996	TXPlatfor.exe
Token: 33	996	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	996	TXPlatfor.exe
Token: 33	996	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	996	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe
2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 4040	2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe	85
PID 2804 wrote to memory of 4040	2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe	85
PID 2804 wrote to memory of 4040	2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe	85
PID 2804 wrote to memory of 2788	2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe	88
PID 2804 wrote to memory of 2788	2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe	88
PID 2804 wrote to memory of 2788	2804	6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe	88
PID 2788 wrote to memory of 3968	2788	N.exe	91
PID 2788 wrote to memory of 3968	2788	N.exe	91
PID 2788 wrote to memory of 3968	2788	N.exe	91
PID 4948 wrote to memory of 996	4948	TXPlatfor.exe	90
PID 4948 wrote to memory of 996	4948	TXPlatfor.exe	90
PID 4948 wrote to memory of 996	4948	TXPlatfor.exe	90
PID 3968 wrote to memory of 4072	3968	cmd.exe	93
PID 3968 wrote to memory of 4072	3968	cmd.exe	93
PID 3968 wrote to memory of 4072	3968	cmd.exe	93
PID 3912 wrote to memory of 4156	3912	svchost.exe	100
PID 3912 wrote to memory of 4156	3912	svchost.exe	100
PID 3912 wrote to memory of 4156	3912	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe
"C:\Users\Admin\AppData\Local\Temp\6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2804
- 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:4040
- 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:2788
- - 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:3968
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4072
- C:\Users\Admin\AppData\Local\Temp\HD_6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe
  2⤵
  - Executes dropped EXE
  PID:2772

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3456

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:3912
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240604859.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4156

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4948
- 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:996

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_6ba15f5cda2e41001d242a04cd044dacd1eba829505089cf7da45f52160f22f0.exe
Size 3.4MB
SHA256 9beec46eecd1985b7e9af9bdcfc13e479683f3c62ea4b8856160ca9709eb0778
MD5 f880b630ec5c223942bd2055e7854b2c
SHA1 cdfecc9b52334247dff5cf7615b4df367264f8c3
SHA512 f690d0c06de120d5a4c83f7090f31479c82fab405aef64b961f7c7292753684dcabe986a3cd0c049dfbc285a7d423ea613b132ab97d1eb822f84f9cf145d882e
SSDEEP 49152:LOZsVWWGVMokrKxMFa/CPnWysAag3e5h2YGOHcNJhz+p1tFmqAWDg6/xnEqqfSOf:JVWW+Mokr9Fcv3aOHc38pfFTn/xbq6m
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.7MB
SHA256 6eeb47308343cd3be1081c76c04a441a2e5820c8ae6b721f330855ced5c42f0e
MD5 f877e51584df5c041d4b92249b6477c3
SHA1 9c2f4b120c141a9dab02720a42ad9fe4f0436724
SHA512 2c5c6ff46cdc69fa38569ee06109a362198fd2408e58cd1b6679e32d8174afce1653586660ee846501d2a0c08f494f7a97dd2c5f8c6ed2f1e0df8a026f854a12
SSDEEP 24576:YCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHb:YCwsbCANnKXferL7Vwe/Gg0P+WhuSOz
MD5 SHA1 SHA512 SSDEEP

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N.exe

Path C:\Users\Admin\AppData\Local\Temp\N.exe
Size 377KB
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
MD5 SHA1 SHA512 SSDEEP

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R.exe

Path C:\Users\Admin\AppData\Local\Temp\R.exe
Size 941KB
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
MD5 SHA1 SHA512 SSDEEP

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240604859.txt

Path C:\Windows\SysWOW64\240604859.txt
Size 899KB
SHA256 c1560497bf0631f1e98b81e216f24c651dfa3a773e5c5f21097e3597e0b117e3
MD5 e01e4b0ca3723b18c769b19c1f0c3513
SHA1 3be04e331536ef3641db949b4df5aea2a7613ed5
SHA512 602d6f26b1230403eb89492856cfb35401062df0f1e748f806bc33ffaa47f606591c4bccad10faf1496a16b731ded119e2c09db45faca86fa612a36d1342038c
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PX6:7wqd87V6
MD5 SHA1 SHA512 SSDEEP

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Remote Data.exe

Path C:\Windows\SysWOW64\Remote Data.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/996-35-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/996-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/996-38-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2772-45-0x0000000000400000-0x00000000016E9000-memory.dmp

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memory/2788-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2788-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2788-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2788-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4948-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4948-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4948-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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