gh0strat | 4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 04:49

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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 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2528-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2528-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/files/0x003500000001415f-6.dat	family_gh0strat
behavioral1/memory/2528-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2528-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1948-45-0x0000000003650000-0x0000000003A59000-memory.dmp	family_gh0strat
behavioral1/memory/2544-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-55-0x0000000010000000-0x00000000101B6000-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\\259396450.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
2052	R.exe
2528	N.exe
2540	TXPlatfor.exe
2544	TXPlatfor.exe
2576	HD_4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
632	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
2052	R.exe
2664	svchost.exe
1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
2540	TXPlatfor.exe
1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
2664	svchost.exe
632	Remote Data.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2528-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2528-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1948-45-0x0000000003650000-0x0000000003A59000-memory.dmp	upx
behavioral1/memory/2544-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
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\259396450.txt	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2852	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2544	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2528	N.exe
Token: SeLoadDriverPrivilege	2544	TXPlatfor.exe
Token: 33	2544	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2544	TXPlatfor.exe
Token: 33	2544	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2544	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2052	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	28
PID 1948 wrote to memory of 2052	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	28
PID 1948 wrote to memory of 2052	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	28
PID 1948 wrote to memory of 2052	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	28
PID 1948 wrote to memory of 2528	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	31
PID 1948 wrote to memory of 2528	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	31
PID 1948 wrote to memory of 2528	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	31
PID 1948 wrote to memory of 2528	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	31
PID 1948 wrote to memory of 2528	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	31
PID 1948 wrote to memory of 2528	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	31
PID 1948 wrote to memory of 2528	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	31
PID 2528 wrote to memory of 2952	2528	N.exe	33
PID 2528 wrote to memory of 2952	2528	N.exe	33
PID 2528 wrote to memory of 2952	2528	N.exe	33
PID 2528 wrote to memory of 2952	2528	N.exe	33
PID 2540 wrote to memory of 2544	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2544	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2544	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2544	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2544	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2544	2540	TXPlatfor.exe	35
PID 2540 wrote to memory of 2544	2540	TXPlatfor.exe	35
PID 1948 wrote to memory of 2576	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	36
PID 1948 wrote to memory of 2576	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	36
PID 1948 wrote to memory of 2576	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	36
PID 1948 wrote to memory of 2576	1948	4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe	36
PID 2952 wrote to memory of 2852	2952	cmd.exe	37
PID 2952 wrote to memory of 2852	2952	cmd.exe	37
PID 2952 wrote to memory of 2852	2952	cmd.exe	37
PID 2952 wrote to memory of 2852	2952	cmd.exe	37
PID 2664 wrote to memory of 632	2664	svchost.exe	38
PID 2664 wrote to memory of 632	2664	svchost.exe	38
PID 2664 wrote to memory of 632	2664	svchost.exe	38
PID 2664 wrote to memory of 632	2664	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
"C:\Users\Admin\AppData\Local\Temp\4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- 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:2052
- 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:2528
- - 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:2952
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2852
- C:\Users\Admin\AppData\Local\Temp\HD_4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe
  2⤵
  - Executes dropped EXE
  PID:2576

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2208

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:2664
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259396450.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:632

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2540
- 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:2544

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

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Downloads

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

Filesize
2.6MB

MD5
924a28b2c074e422029e53767e9b6918

SHA1
bb39829846d6458387dda566a11df9c6510b7144

SHA256
81aae724445c440696a68602f6c4802c42899abbb062d51d220a95c6dd17a08d

SHA512
6710074fc775e294a1bc3634cbd29c4acf5a24ae25966334680d6915f1ae6ecd04b2abebb35eba62633ec5da8977a1591e35e8f285ba432e1543170d6ca5e4bc

Download Submit
\Users\Admin\AppData\Local\Temp\HD_4a2d896ec085e7f041d05032c17fa80fe23814fcd7bb5901fff406a84bbe215f.exe

Filesize
4.0MB

MD5
002907952232c9a9b28b7166fcb136e8

SHA1
518e6bd83d09f832c387dcb4df52697aa4e1dba4

SHA256
7123718572fb24eff218458ad7a260c7a1c1f57552937e0b256f158e18946434

SHA512
832dd8a432f5479d1a57900590ba440ca77e3efda2837d0f88c23280b3bd31bd5aaf0a34773d26d889e4d4c9d2a060d516af48cc8bfa0eea3f3e26a8b7bcdef8

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259396450.txt

Filesize
899KB

MD5
169d9b33fc06db9e7d7dc57525f4d7ee

SHA1
c1f8f75ed7ee774acff20e98ea7d51cc5ea49f38

SHA256
419b499f40941967f852f4bbb2226bed674f48b809cb1b527836b73d3481e735

SHA512
a1609af4b7c3d8ee4b82d828266d6b422dcf19fe3aa08b9e7015bf0c065ce45336ab710084eff066db40cd5872914909af348a0762539a77569951f6f56f7849

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1948-64-0x0000000003650000-0x0000000003A59000-memory.dmp

Filesize
4.0MB

Download
memory/1948-46-0x0000000003650000-0x0000000003A59000-memory.dmp

Filesize
4.0MB

Download
memory/1948-45-0x0000000003650000-0x0000000003A59000-memory.dmp

Filesize
4.0MB

Download
memory/1948-62-0x0000000003650000-0x0000000003A59000-memory.dmp

Filesize
4.0MB

Download
memory/2528-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2576-48-0x0000000000400000-0x0000000000809000-memory.dmp

Filesize
4.0MB

Download