gh0strat | 43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0

General

Target

43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe
Size

7.4MB
MD5

46fff08b53fa1116eb7e1a285a06bf02
SHA1

7e75921eb7adfd2d5b64014c6529fa7196dda52e
SHA256

43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0
SHA512

0d182c4cff09d027c18f6a563957f0d3c1c8f80e29c6c4e86ffdf31b01a0680faf7eb3a0ac749652881db17fff3bd3e868382fb3671addce8a6bf8baf99b80db
SSDEEP

98304:uws2ANnKXOaeOgmhjs/c0ndiziY8h0mg2fZFccODoilA4jvtqdhOykyKTxis/c02:8KXbeO7Sc0ns8OSiVjvtqGc06/

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3104-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3104-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3104-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3580-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3580-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3580-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1624-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1624-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1624-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1624-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023d48-5.dat	family_gh0strat
behavioral2/memory/3104-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3104-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3104-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3580-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3580-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3580-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1624-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1624-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1624-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1624-23-0x0000000010000000-0x00000000101B6000-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	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
1996	R.exe
3104	N.exe
1624	TXPlatfor.exe
3580	TXPlatfor.exe
3680	HD_43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe

Loads dropped DLL 1 IoCs

pid	Process
1996	R.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240625609.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3104-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3104-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3104-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3104-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1624-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3580-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3580-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3580-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1624-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1624-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1624-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1624-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4148	1996	WerFault.exe	89
3188	1996	WerFault.exe	89

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	TXPlatfor.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_43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.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
1084	cmd.exe
4996	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4996	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe
228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3580	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3104	N.exe
Token: SeLoadDriverPrivilege	3580	TXPlatfor.exe
Token: 33	3580	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3580	TXPlatfor.exe
Token: 33	3580	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3580	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe
228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 1996	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	89
PID 228 wrote to memory of 1996	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	89
PID 228 wrote to memory of 1996	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	89
PID 228 wrote to memory of 3104	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	100
PID 228 wrote to memory of 3104	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	100
PID 228 wrote to memory of 3104	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	100
PID 1624 wrote to memory of 3580	1624	TXPlatfor.exe	102
PID 1624 wrote to memory of 3580	1624	TXPlatfor.exe	102
PID 1624 wrote to memory of 3580	1624	TXPlatfor.exe	102
PID 3104 wrote to memory of 1084	3104	N.exe	103
PID 3104 wrote to memory of 1084	3104	N.exe	103
PID 3104 wrote to memory of 1084	3104	N.exe	103
PID 1084 wrote to memory of 4996	1084	cmd.exe	106
PID 1084 wrote to memory of 4996	1084	cmd.exe	106
PID 1084 wrote to memory of 4996	1084	cmd.exe	106
PID 228 wrote to memory of 3680	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	104
PID 228 wrote to memory of 3680	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	104
PID 228 wrote to memory of 3680	228	43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe	104

C:\Users\Admin\AppData\Local\Temp\43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe
"C:\Users\Admin\AppData\Local\Temp\43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:228
- 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
  - System Location Discovery: System Language Discovery
  PID:1996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 460
    3⤵
    - Program crash
    PID:4148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 384
    3⤵
    - Program crash
    PID:3188
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3104
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1084
  - - 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:4996
- C:\Users\Admin\AppData\Local\Temp\HD_43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1996 -ip 1996
1⤵
PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1996 -ip 1996
1⤵
PID:4708

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624
- 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:3580

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 Information Discovery

1

T1082

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_43f64ad2f5aaa3abb7a7d3b1fc666728d2837cf95add8619145f861e06dd9ba0.exe

Filesize
4.9MB

MD5
acd1634ace61808ecc5b339c983d0d5a

SHA1
0f8f676220c3e0548c520af7e3e39df56a73893e

SHA256
deded2abd104b6eee6af7f7180f340d6fe96d4f174e243e500e5767da29937e9

SHA512
67bfc6ef924f026d3e072ec49594fea65198c41490bbdb6e1823569bb5b46afff3d8e52a082fc76ec380eec2a1f4206fb0a11b9c420c5b4ecf106797c207abb7

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

Filesize
2.5MB

MD5
7a5dc886c98324c6261e29092651f149

SHA1
e65900e261ca41936818910b091d39f708bddcf9

SHA256
af499b65ea99378eacc9ada31d346c714528fdbb6f0f71cf4560a1cd78f7a60b

SHA512
8d1cdd022cf07e8d62438e18bada4fb7d9356e2192bcb42365a64fe38561fa01fcc5c88835951bf6fc252165c09106154cdf07c5329e89d99ae3f522543b87a1

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240625609.txt

Filesize
899KB

MD5
e0cf9228a289666075462df7afecdb54

SHA1
3951b0bd1a7578a7b6afc6e6f94a56e24ef46a15

SHA256
edc6d5428338183c0a38222ec447d1e77621a63ff8813182bb6edc4e9f1c2fbc

SHA512
4810da9c4146d6240eebcae0e552d759c5522d415f3bc24190ce96475f6e20921d0af86e83f52e0fc5ea0d19817f38e3cb49492662ab85eb1829c481e6c8cba7

Download Submit
memory/1624-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1624-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1624-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1624-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1624-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3104-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3104-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3104-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3104-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3580-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3580-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3580-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads