gh0strat | 648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 12:49

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General

Target
648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Size 3.8MB
Sample240625-p2cbaa1ara
SHA256 648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206
MD5 4d245d8113de851108a94efd5eb47614
SHA1 b011874964656cf8e6ce73021d09de1cf36d6d8f
SHA512 ffd9daed87823344422160cd6d041c5c8ffe27ec72e1c18bf9feac497e204d377337cf7810de6a6e0c3231980b1a0f9ef7d9e3e49885a670722f2a9548508ff0
SSDEEP 49152:ICwsbCANnKXferL7Vwe/Gg0P+Whlwn+cG5evZbwaIjG5F:Dws2ANnKXOaeOgmhlw+gZ5IjGD
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4684-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4684-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4684-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3456-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3456-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/436-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/436-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/436-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/436-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/436-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x000900000002355f-5.dat	family_gh0strat
behavioral2/memory/4684-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4684-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4684-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3456-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3456-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/436-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/436-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/436-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/436-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/436-45-0x0000000010000000-0x00000000101B6000-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\\240595218.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
548	R.exe
4684	N.exe
3456	TXPlatfor.exe
2396	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
436	TXPlatfor.exe
5048	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
548	R.exe
880	svchost.exe
5048	Remote Data.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4684-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4684-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4684-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4684-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3456-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3456-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3456-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/436-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/436-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/436-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/436-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/436-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/436-45-0x0000000010000000-0x00000000101B6000-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\240595218.txt	R.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	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\360Safe.ext.1\shell\open\command\ = "\"\\360Safe.exe\" %1"	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\.360SafeUAP	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\.360SafeUAP\ = "360Safe.ext.1"	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\360Safe.ext.1\shell\open\command	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\360Safe.ext.1	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\360Safe.ext.1\shell	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Key created	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\360Safe.ext.1\shell\open	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
644	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
436	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4684	N.exe
Token: SeLoadDriverPrivilege	436	TXPlatfor.exe
Token: 33	436	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	436	TXPlatfor.exe
Token: 33	436	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	436	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 548	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	83
PID 2012 wrote to memory of 548	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	83
PID 2012 wrote to memory of 548	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	83
PID 2012 wrote to memory of 4684	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	86
PID 2012 wrote to memory of 4684	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	86
PID 2012 wrote to memory of 4684	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	86
PID 4684 wrote to memory of 3592	4684	N.exe	88
PID 4684 wrote to memory of 3592	4684	N.exe	88
PID 4684 wrote to memory of 3592	4684	N.exe	88
PID 2012 wrote to memory of 2396	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	89
PID 2012 wrote to memory of 2396	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	89
PID 2012 wrote to memory of 2396	2012	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	89
PID 3456 wrote to memory of 436	3456	TXPlatfor.exe	91
PID 3456 wrote to memory of 436	3456	TXPlatfor.exe	91
PID 3456 wrote to memory of 436	3456	TXPlatfor.exe	91
PID 3592 wrote to memory of 644	3592	cmd.exe	93
PID 3592 wrote to memory of 644	3592	cmd.exe	93
PID 3592 wrote to memory of 644	3592	cmd.exe	93
PID 880 wrote to memory of 5048	880	svchost.exe	100
PID 880 wrote to memory of 5048	880	svchost.exe	100
PID 880 wrote to memory of 5048	880	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
"C:\Users\Admin\AppData\Local\Temp\648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2012
- 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
  PID:548
- 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:4684
- - 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:3592
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:644
- C:\Users\Admin\AppData\Local\Temp\HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
  C:\Users\Admin\AppData\Local\Temp\HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  PID:2396

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4792

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:880
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240595218.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:5048

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3456
- 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:436

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Size 1.4MB
SHA256 14afa7b794ca84899882d8b013f0a01faa7d4a4b36c17102d24f94ff62ae683f
MD5 c910bde8cb7e5f26e4924a8f260d8a95
SHA1 a3bb7e18e187a731c8324906a19af70f4767d743
SHA512 829a1a1f9cd9f95745d05ac5f60f6339202d0ec96cf8eb95036cc9d50c4e6f2bf06df6742d22ee5d37c39b23a2cc549e440c6c3c9dbbcee0298e939f12d4d068
SSDEEP 24576:4pindEHcGfUUDre6mxL/lp3bwVgIjbS5eyzl:4wn+cG5evZbwaIjG5F
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.4MB
SHA256 c7a9cd02a6b82389bb94c3df9c9b529e54d17499602c50dcf79b2c3836e55fb7
MD5 8ef20a6240137e3cff577b25aec24645
SHA1 5285d54f0d8d48ddda9d91b11131ebb8612c302c
SHA512 4ffc366196fcb25fcd75ec876b81660aa9276a9373ab4f9065c8460f81025a0df6fcf8fba4907caab576cbf8c5dcec111d1636a0f4f30c2c212bc4917f12bef8
SSDEEP 24576:ICwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHa:ICwsbCANnKXferL7Vwe/Gg0P+Whd
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

Submit Download

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

Submit Download

240595218.txt

Path C:\Windows\SysWOW64\240595218.txt
Size 899KB
SHA256 dd704f9e1acd41931be0d798d479c50b4bdfa03b51b1ef4e2f04df2f61690f8b
MD5 784c3412b3bbf4798d931b5c14a5c488
SHA1 dfd1efe5376f7fcbb0d902a3fbe66d19ac928229
SHA512 dc0be90a7b76d056f543b3eaebdead4a05f1da8533133264704a104ad48f0941db78d8e3ae30e0ca98f9eeb2e1b6e52ab333769ec6516b6920623e2b1f88d6cf
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXv:7wqd87Vv
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/436-39-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/436-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/436-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/436-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/436-38-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/436-36-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3456-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3456-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3456-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4684-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4684-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4684-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4684-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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