gh0strat | 770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 13:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
Size 9.5MB
Sample240625-qtgfpssfnd
SHA256 770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921
MD5 95c1601daa47a07c34a13774da192c05
SHA1 469cf0d500dce4271d7024173bc494c5921c62c3
SHA512 f5b92765e03d6054877f27996d51bf4eb63ccfb9cf78bb311dfadc87817f8d5babc4c0fc9807a0335a302609151fce496f3f81c93bf3dcba72862f3bfca2e514
SSDEEP 196608:NKXbeO75q+LjZFOsDKrBBI8WYqEqJc9q7+mIv+n/58PVqJA:G75JLj7JmrXlWhEqg1+BkuA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx vmprotect

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2304-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2304-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2304-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2304-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3040-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3040-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/files/0x0021000000013522-6.dat	family_gh0strat
behavioral1/memory/2304-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2304-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2304-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2304-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3040-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3040-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-50-0x0000000010000000-0x00000000101B6000-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
2100	R.exe
2304	N.exe
3040	TXPlatfor.exe
2896	HD_770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
2780	TXPlatfor.exe

Loads dropped DLL 5 IoCs

pid	Process
2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
2100	R.exe
2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
3040	TXPlatfor.exe
2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2304-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2304-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2304-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2304-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2304-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3040-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/files/0x0007000000014182-32.dat	vmprotect

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259395170.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2760	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2780	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2304	N.exe
Token: SeLoadDriverPrivilege	2780	TXPlatfor.exe
Token: 33	2780	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2780	TXPlatfor.exe
Token: 33	2780	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2780	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2100	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	28
PID 2804 wrote to memory of 2100	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	28
PID 2804 wrote to memory of 2100	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	28
PID 2804 wrote to memory of 2100	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	28
PID 2804 wrote to memory of 2304	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	29
PID 2804 wrote to memory of 2304	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	29
PID 2804 wrote to memory of 2304	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	29
PID 2804 wrote to memory of 2304	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	29
PID 2804 wrote to memory of 2304	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	29
PID 2804 wrote to memory of 2304	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	29
PID 2804 wrote to memory of 2304	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	29
PID 2304 wrote to memory of 2648	2304	N.exe	31
PID 2304 wrote to memory of 2648	2304	N.exe	31
PID 2304 wrote to memory of 2648	2304	N.exe	31
PID 2304 wrote to memory of 2648	2304	N.exe	31
PID 3040 wrote to memory of 2780	3040	TXPlatfor.exe	33
PID 3040 wrote to memory of 2780	3040	TXPlatfor.exe	33
PID 3040 wrote to memory of 2780	3040	TXPlatfor.exe	33
PID 3040 wrote to memory of 2780	3040	TXPlatfor.exe	33
PID 3040 wrote to memory of 2780	3040	TXPlatfor.exe	33
PID 3040 wrote to memory of 2780	3040	TXPlatfor.exe	33
PID 3040 wrote to memory of 2780	3040	TXPlatfor.exe	33
PID 2804 wrote to memory of 2896	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	34
PID 2804 wrote to memory of 2896	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	34
PID 2804 wrote to memory of 2896	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	34
PID 2804 wrote to memory of 2896	2804	770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe	34
PID 2648 wrote to memory of 2760	2648	cmd.exe	35
PID 2648 wrote to memory of 2760	2648	cmd.exe	35
PID 2648 wrote to memory of 2760	2648	cmd.exe	35
PID 2648 wrote to memory of 2760	2648	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
"C:\Users\Admin\AppData\Local\Temp\770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe"
1⤵
- Loads dropped DLL
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2100
- 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:2304
- - 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:2648
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2760
- C:\Users\Admin\AppData\Local\Temp\HD_770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
  C:\Users\Admin\AppData\Local\Temp\HD_770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
  2⤵
  - Executes dropped EXE
  PID:2896

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3040
- 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:2780

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

BlockFind.exe

Path C:\Users\Admin\Desktop\BlockFind.exe
Size 3.5MB
SHA256 43ba90b4994678570caca973ef7b0adafd6b0669136cb1cb2556b8fc0a95cab1
MD5 0a5fcf21d5ede534ef4f0ed1e7edf909
SHA1 ef81d9af9ccde229507f8aa5431589c41b2ae9eb
SHA512 da4a5d62303330b644166c1224640ad8b0d71b968b56ef07391d4c4cba5910e6618438485297b33aa7f45ce6247f485865fbf18dbe7716585896b20da0b46efe
SSDEEP 49152:fjwsbCANnKXferL7Vwe/Gg0P+Whf2v+t7tXVqKanRlvBjhL:Lws2ANnKXOaeOgmhfq+t7tXVqNlVd
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe

Path \Users\Admin\AppData\Local\Temp\HD_770d8e037828f05f4b3caa32a1d020f72d31e0228f55be44b61c18aa76b57921.exe
Size 6.9MB
SHA256 70884031b3f831301069b54aa63c3af11da3220776bd30d85086e888656d11b7
MD5 0d82eac3300e1336a5efe7f4a94231b0
SHA1 b488ac1a24a2ab41162efed64a0c2c9ca3925cd1
SHA512 853a2ada904e07e423446e0a7c6b957950a1db9be284579dc297c876d730cfabc5cf072427a049bb99b9eb42527849f8cd4196a9bcffe1dc511cf7bff6346cfd
SSDEEP 196608:ajZFOsDKrBBI8WYqEqJc9q7+mIv+n/58PVqJA:aj7JmrXlWhEqg1+BkuA
MD5 SHA1 SHA512 SSDEEP

Submit Download

N.exe

Path \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

259395170.txt

Path \Windows\SysWOW64\259395170.txt
Size 899KB
SHA256 58573f8249f630ef85f7711cac1cba0397469e8f43b15d02834ca06f25a1586a
MD5 1ea44f401250b2ef9a276c5e226af03d
SHA1 8cc6543be945b469a4ce694774faa27c18e9ef43
SHA512 13acf019135b40a65b43b5d814208c4fea03cfef455a7e7a0b6d6f7610e3ad0752529c7f58420624a0b1b98309f3141714aef2109c3b5d6d7afc2508777fe897
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXL:7wqd87VL
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2304-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2304-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2304-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2304-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2304-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2780-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2780-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2780-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3040-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3040-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Download