gh0strat | 3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236

Analysis

max time kernel
150s
max time network
129s
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, 16:32

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General

Target
3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe
Size 3.3MB
Sample240625-t2gcfstdll
SHA256 3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236
MD5 ec16dd1613e91ef7581468ce4e6afcdb
SHA1 82a1cf830f2934620bbcc7928ca9418f6246aae6
SHA512 5b5f5da4fa5effd7bac8289c4352b56732872ae64b739b95c59517fb9987f625bd2b1a3c80d59802bc9f1aa3b465c55198f7e6ce630858e52ca8cf6543dc3018
SSDEEP 49152:CCwsbCANnKXferL7Vwe/Gg0P+Wh+eohZj8do3gMxpknk6GmZ:Fws2ANnKXOaeOgmh+LhZAdYNxCnrGK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2136-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2136-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2136-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2036-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2036-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2036-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1944-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2036-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1944-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral2/files/0x000b0000000234d2-5.dat	family_gh0strat
behavioral2/memory/2136-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2136-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2136-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2036-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2036-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2036-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1944-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2036-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1944-42-0x0000000010000000-0x00000000101B6000-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 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
1924	R.exe
2136	N.exe
2036	TXPlatfor.exe
4404	HD_3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe
1944	TXPlatfor.exe

Loads dropped DLL 1 IoCs

pid	Process
1924	R.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2136-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2136-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2136-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2136-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2036-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2036-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2036-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1944-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2036-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1944-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240594296.txt	R.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	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3580	1924	WerFault.exe	82

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3444	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe
2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1944	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2136	N.exe
Token: SeLoadDriverPrivilege	1944	TXPlatfor.exe
Token: 33	1944	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1944	TXPlatfor.exe
Token: 33	1944	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1944	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe
2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 1924	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	82
PID 2800 wrote to memory of 1924	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	82
PID 2800 wrote to memory of 1924	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	82
PID 2800 wrote to memory of 2136	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	89
PID 2800 wrote to memory of 2136	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	89
PID 2800 wrote to memory of 2136	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	89
PID 2136 wrote to memory of 4488	2136	N.exe	91
PID 2136 wrote to memory of 4488	2136	N.exe	91
PID 2136 wrote to memory of 4488	2136	N.exe	91
PID 2800 wrote to memory of 4404	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	92
PID 2800 wrote to memory of 4404	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	92
PID 2800 wrote to memory of 4404	2800	3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe	92
PID 2036 wrote to memory of 1944	2036	TXPlatfor.exe	93
PID 2036 wrote to memory of 1944	2036	TXPlatfor.exe	93
PID 2036 wrote to memory of 1944	2036	TXPlatfor.exe	93
PID 4488 wrote to memory of 3444	4488	cmd.exe	95
PID 4488 wrote to memory of 3444	4488	cmd.exe	95
PID 4488 wrote to memory of 3444	4488	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe
"C:\Users\Admin\AppData\Local\Temp\3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 464
    3⤵
    - Program crash
    PID:3580
- 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:2136
- - 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:4488
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3444
- C:\Users\Admin\AppData\Local\Temp\HD_3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe
  2⤵
  - Executes dropped EXE
  PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1924 -ip 1924
1⤵
PID:1656

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2036
- 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:1944

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_3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_3ec8b4c64cec6bcd308418f0e64c8bb807729f59b49ec0d24fde0b6b6527c236.exe
Size 995KB
SHA256 28b7e2db40c64a91466beafbea871352d151aea51a6a8fad2cd1daae41fc3a24
MD5 51cd1fd901a73c3f1bd67adee8c27e83
SHA1 2fbf00bfb1bc780287baa2b1128b4bd7e8a173ad
SHA512 00b5a1f9b75bb5ec748b1dc1d78b72bcd9da3db98a5a495aabd43a2fe226dbe2a7d9b965aef8a6c46470a57c72d4c651428386e47ed5acd99084039a3b577748
SSDEEP 24576:nftcohmy/FhxAzPvtkquT3V4d2JDvxUgknqGW6GmnZ:neohZj8do3gMxpknk6GmZ
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.3MB
SHA256 b699cdeab26ef9c69e926b0960086cf41601d06b948da0caab5d1d9411cbdd1b
MD5 b88159938d3a58f04e3f57586c3fedf5
SHA1 6ff26e716995b8658b7294ab039d77fcc12c282d
SHA512 7da42a88e0dcb1916e541b47a9323dbcffe7c97d0467a994e8657e9074d3433bef100203b75a26b581fc1e9444021defb10e280d6c096770f635c53c5713f876
SSDEEP 24576:CCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH4:CCwsbCANnKXferL7Vwe/Gg0P+Whn
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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240594296.txt

Path C:\Windows\SysWOW64\240594296.txt
Size 899KB
SHA256 984fd174bef625b195fbf3c8cd25fb2daaf0d035bb2de06ed8a920dd728bed8f
MD5 8e0eb69cbfaf1cf0b1b49878ae81b903
SHA1 18f60df17c3d76057374eead6b8845ce6fbcaa4f
SHA512 e287dcec1fa09e7f45fdb91aa36e3a104356e1fd75bfd60b90596062d6066e89d74790b1ad72faa2100f6cfa5fd65a79f4f0659cc5c46e74b0ee15aeb054d48e
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXI:7wqd87VI
MD5 SHA1 SHA512 SSDEEP

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memory/1944-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1944-37-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2036-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2036-32-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2036-24-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2036-25-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2136-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2136-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2136-14-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2136-12-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4404-31-0x000000006F0B0000-0x000000006F0C0000-memory.dmp

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