gh0strat | 0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876

General

Target

0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe
Size

5.6MB
MD5

252a3f1c6a0f477927d230b9f1fec17b
SHA1

31e12ef81b3bc0234d97c4339b53a93185e29a03
SHA256

0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876
SHA512

e0c749fa097d9478f5b09c5c9eca57dbb509182cea89bcc1695e35c5b413b34e996ae25b5f8bb63ccab120a76fac52556923877bf62f39aec69b4377a9fdadcb
SSDEEP

98304:icy2LkvNiTy7+dJa9HUzIlLBjgBpDR8l4CsMpCvpmO/D0RLpX9q7xiTVf:ny2LkvNBNH9BgUfCvxD0RSli5f

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/768-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/768-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/768-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3084-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3084-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4720-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4720-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/memory/768-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/768-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/768-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3084-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3084-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4720-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4720-43-0x0000000010000000-0x00000000101B6000-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

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.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"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

pid	Process
768	RVN.exe
3152	HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe
3084	TXPlatforn.exe
4720	TXPlatforn.exe
1972	HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.tmp

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/768-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/768-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/768-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/768-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3084-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3084-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3084-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4720-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4720-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 7 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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	HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.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

pid	Process
3480	cmd.exe
3128	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3128	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe
1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4720	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	768	RVN.exe
Token: SeLoadDriverPrivilege	4720	TXPlatforn.exe
Token: 33	4720	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4720	TXPlatforn.exe
Token: 33	4720	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4720	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 768	1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	82
PID 1964 wrote to memory of 768	1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	82
PID 1964 wrote to memory of 768	1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	82
PID 1964 wrote to memory of 3152	1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	83
PID 1964 wrote to memory of 3152	1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	83
PID 1964 wrote to memory of 3152	1964	0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	83
PID 768 wrote to memory of 3480	768	RVN.exe	85
PID 768 wrote to memory of 3480	768	RVN.exe	85
PID 768 wrote to memory of 3480	768	RVN.exe	85
PID 3084 wrote to memory of 4720	3084	TXPlatforn.exe	86
PID 3084 wrote to memory of 4720	3084	TXPlatforn.exe	86
PID 3084 wrote to memory of 4720	3084	TXPlatforn.exe	86
PID 3480 wrote to memory of 3128	3480	cmd.exe	88
PID 3480 wrote to memory of 3128	3480	cmd.exe	88
PID 3480 wrote to memory of 3128	3480	cmd.exe	88
PID 3152 wrote to memory of 1972	3152	HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	89
PID 3152 wrote to memory of 1972	3152	HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	89
PID 3152 wrote to memory of 1972	3152	HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe	89

C:\Users\Admin\AppData\Local\Temp\0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe
"C:\Users\Admin\AppData\Local\Temp\0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.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:768
- - 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\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3480
  - - 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:3128
- C:\Users\Admin\AppData\Local\Temp\HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe
  C:\Users\Admin\AppData\Local\Temp\HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3152
- - C:\Users\Admin\AppData\Local\Temp\is-92AUD.tmp\HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-92AUD.tmp\HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.tmp" /SL5="$7002C,4450760,770048,C:\Users\Admin\AppData\Local\Temp\HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1972

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.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:4720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.exe

Filesize
5.0MB

MD5
3dad5c383d08e559c83c5abe1b469516

SHA1
b7573efde2b1f633fef37e8a3ccb03cf3bd4eaa1

SHA256
5d76610fedd950bab29f5cb9b635b7f2c51fdb415067fb6a2d9f7242db42deaf

SHA512
bc02227cf87e2f101fc7a80d753753ee93fc92e715ea1bf586da5a3fa804e5d0bafb632ce8f5be1dbcbdcb1bcee7e6e6b8a3314ddb025559a3708e01f070d09e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
592KB

MD5
3f04e57003ae1ab5e480ce5d583824aa

SHA1
d1c592793b1840f99c01f500fcf6ea0de719170c

SHA256
d160a8c03ed6a5859832193e8a45bc25498c2aa5dd7d827cc0294100017d6ace

SHA512
79d44594cac7bb5b35fee255273fd5d4be3d14171081d47b38938f411554d2196fba774d7fb78fc28265c5ec8867b35cec63d3046e1cd49c65f1bf1bc3dd9d0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RVN.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-92AUD.tmp\HD_0aa121ad4ba8c2e95673d60696496b0e46d1532fd0b2712f0ad0d08806b0a876.tmp

Filesize
3.0MB

MD5
017b36872fddf48a63dd97eacdd36aa3

SHA1
7efb6628c65539fdac335aae22c2ed0e63904573

SHA256
0ced038abf1adc5c2f5993305301ff1984a2d8411c190d73de6c3f54339fc28c

SHA512
6bae8a587212672fd5ec2151703e5673ccd7f4b488fdf221fdc22ccda608b4dde7b229fcaa89d81f3db660a0a71e77e98c4c6e4b41d7ed495b5597a3602e0b3d

Download Submit
memory/768-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/768-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/768-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/768-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1972-45-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/3084-33-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3084-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3084-24-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3084-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3084-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3152-44-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3152-23-0x0000000000401000-0x00000000004A8000-memory.dmp

Filesize
668KB

Download
memory/3152-18-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4720-32-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/4720-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4720-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4720-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads