gh0strat | 4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f

General

Target

4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
Size

6.6MB
MD5

3c54722ed3cbb409a064157062d9be9e
SHA1

fd6fcb0ad3ac3c2dcc6eef2db4a1a350b5323945
SHA256

4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f
SHA512

3f07a8552bebc644b4095d215ddd02e0f06361c124d560a3aefb774d5de74c817e8c268ecd82ec4b5ff48dc96bed0fdcebaecbb21d0c53f808f2ae476c948aa8
SSDEEP

98304:/ws2ANnKXOaeOgmhWJDmn286vom+pN2kMZhI9ebQ81eBnkC+MEwkfjA6+j:JKXbeO7QFmngod2lf1eBkCUw2jXE

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1620-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1620-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1620-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2844-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2844-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1788-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1788-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2844-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00070000000233f4-5.dat	family_gh0strat
behavioral2/memory/1620-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1620-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1620-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2844-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2844-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1788-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1788-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2844-47-0x0000000010000000-0x00000000101B6000-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 DLL path for service in the 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240600015.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
1652	R.exe
1620	N.exe
1788	TXPlatfor.exe
2844	TXPlatfor.exe
940	HD_4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
216	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1652	R.exe
4772	svchost.exe
216	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1620-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1620-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1788-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2844-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2844-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1788-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1788-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2844-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240600015.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	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	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1200	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2844	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1620	N.exe
Token: SeLoadDriverPrivilege	2844	TXPlatfor.exe
Token: 33	2844	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2844	TXPlatfor.exe
Token: 33	2844	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2844	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 1652	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	82
PID 404 wrote to memory of 1652	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	82
PID 404 wrote to memory of 1652	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	82
PID 404 wrote to memory of 1620	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	85
PID 404 wrote to memory of 1620	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	85
PID 404 wrote to memory of 1620	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	85
PID 1620 wrote to memory of 4860	1620	N.exe	90
PID 1620 wrote to memory of 4860	1620	N.exe	90
PID 1620 wrote to memory of 4860	1620	N.exe	90
PID 1788 wrote to memory of 2844	1788	TXPlatfor.exe	91
PID 1788 wrote to memory of 2844	1788	TXPlatfor.exe	91
PID 1788 wrote to memory of 2844	1788	TXPlatfor.exe	91
PID 404 wrote to memory of 940	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	92
PID 404 wrote to memory of 940	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	92
PID 404 wrote to memory of 940	404	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	92
PID 4860 wrote to memory of 1200	4860	cmd.exe	94
PID 4860 wrote to memory of 1200	4860	cmd.exe	94
PID 4860 wrote to memory of 1200	4860	cmd.exe	94
PID 4772 wrote to memory of 216	4772	svchost.exe	95
PID 4772 wrote to memory of 216	4772	svchost.exe	95
PID 4772 wrote to memory of 216	4772	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
"C:\Users\Admin\AppData\Local\Temp\4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:404
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1652
- 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:1620
- - 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:4860
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1200
- C:\Users\Admin\AppData\Local\Temp\HD_4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
  2⤵
  - Executes dropped EXE
  PID:940

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2328

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:4772
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600015.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:216

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1788
- 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:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe

Filesize
4.0MB

MD5
002907952232c9a9b28b7166fcb136e8

SHA1
518e6bd83d09f832c387dcb4df52697aa4e1dba4

SHA256
7123718572fb24eff218458ad7a260c7a1c1f57552937e0b256f158e18946434

SHA512
832dd8a432f5479d1a57900590ba440ca77e3efda2837d0f88c23280b3bd31bd5aaf0a34773d26d889e4d4c9d2a060d516af48cc8bfa0eea3f3e26a8b7bcdef8

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

Filesize
2.6MB

MD5
924a28b2c074e422029e53767e9b6918

SHA1
bb39829846d6458387dda566a11df9c6510b7144

SHA256
81aae724445c440696a68602f6c4802c42899abbb062d51d220a95c6dd17a08d

SHA512
6710074fc775e294a1bc3634cbd29c4acf5a24ae25966334680d6915f1ae6ecd04b2abebb35eba62633ec5da8977a1591e35e8f285ba432e1543170d6ca5e4bc

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\240600015.txt

Filesize
899KB

MD5
169d9b33fc06db9e7d7dc57525f4d7ee

SHA1
c1f8f75ed7ee774acff20e98ea7d51cc5ea49f38

SHA256
419b499f40941967f852f4bbb2226bed674f48b809cb1b527836b73d3481e735

SHA512
a1609af4b7c3d8ee4b82d828266d6b422dcf19fe3aa08b9e7015bf0c065ce45336ab710084eff066db40cd5872914909af348a0762539a77569951f6f56f7849

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/940-41-0x0000000000400000-0x0000000000809000-memory.dmp

Filesize
4.0MB

Download
memory/1620-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1620-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1788-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1788-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1788-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads