gh0strat | a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 18:59

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General

Target

a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
Size

4.2MB
MD5

4f0a6077f502d8c54ec7e4fb3e9ea199
SHA1

7c57451634ea636a28cb67f0d5f88abf8cada094
SHA256

a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079
SHA512

cae7a4020f6a29c473a93c87b37f3b2a4267634479e64cbb8f339a853e7b61bd690026c20807a0abbaae49e699bf60f83376439cae02190b834f84c50dccdd82
SSDEEP

49152:yCwsbCANnKXferL7Vwe/Gg0P+WhpO3XPuB5AqK6s+:Vws2ANnKXOaeOgmhgPgP9s+

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/2928-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2928-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122c2-6.dat	family_gh0strat
behavioral1/memory/2928-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2928-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x000d0000000122c2-54.dat	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

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\\259407510.txt"	R.exe

Executes dropped EXE 6 IoCs

pid	Process
2020	R.exe
2928	N.exe
2560	TXPlatfor.exe
2556	TXPlatfor.exe
2828	HD_a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
2832	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
2020	R.exe
2388	svchost.exe
1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
2560	TXPlatfor.exe
1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
2388	svchost.exe
2832	Remote Data.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2928-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2928-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\259407510.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2336	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2928	N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2020	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	28
PID 1736 wrote to memory of 2020	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	28
PID 1736 wrote to memory of 2020	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	28
PID 1736 wrote to memory of 2020	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	28
PID 1736 wrote to memory of 2928	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	31
PID 1736 wrote to memory of 2928	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	31
PID 1736 wrote to memory of 2928	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	31
PID 1736 wrote to memory of 2928	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	31
PID 1736 wrote to memory of 2928	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	31
PID 1736 wrote to memory of 2928	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	31
PID 1736 wrote to memory of 2928	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	31
PID 2928 wrote to memory of 2576	2928	N.exe	33
PID 2928 wrote to memory of 2576	2928	N.exe	33
PID 2928 wrote to memory of 2576	2928	N.exe	33
PID 2928 wrote to memory of 2576	2928	N.exe	33
PID 2560 wrote to memory of 2556	2560	TXPlatfor.exe	34
PID 2560 wrote to memory of 2556	2560	TXPlatfor.exe	34
PID 2560 wrote to memory of 2556	2560	TXPlatfor.exe	34
PID 2560 wrote to memory of 2556	2560	TXPlatfor.exe	34
PID 2560 wrote to memory of 2556	2560	TXPlatfor.exe	34
PID 2560 wrote to memory of 2556	2560	TXPlatfor.exe	34
PID 2560 wrote to memory of 2556	2560	TXPlatfor.exe	34
PID 1736 wrote to memory of 2828	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	35
PID 1736 wrote to memory of 2828	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	35
PID 1736 wrote to memory of 2828	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	35
PID 1736 wrote to memory of 2828	1736	a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe	35
PID 2576 wrote to memory of 2336	2576	cmd.exe	37
PID 2576 wrote to memory of 2336	2576	cmd.exe	37
PID 2576 wrote to memory of 2336	2576	cmd.exe	37
PID 2576 wrote to memory of 2336	2576	cmd.exe	37
PID 2388 wrote to memory of 2832	2388	svchost.exe	38
PID 2388 wrote to memory of 2832	2388	svchost.exe	38
PID 2388 wrote to memory of 2832	2388	svchost.exe	38
PID 2388 wrote to memory of 2832	2388	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
"C:\Users\Admin\AppData\Local\Temp\a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736
- 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:2020
- 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:2928
- - 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:2576
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2336
- C:\Users\Admin\AppData\Local\Temp\HD_a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe
  2⤵
  - Executes dropped EXE
  PID:2828

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2272

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:2388
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259407510.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2832

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.exe -acsi
  2⤵
  - Executes dropped EXE
  PID:2556

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
274fe01eb0f4cd402c3cfdeda4b30715

SHA1
72db93e86caaadf2f28e5265ebfbc2ea6ba9e705

SHA256
843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40

SHA512
6d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_a301722eb50b044c1bf8ee54f14ea0efd78eb6866d3fd3102c1634e76892b079.exe

Filesize
1.6MB

MD5
8bcfe0fd177c3903aa91b75727d009b9

SHA1
a462c09f42b8a4b52a055a286481bf88fd5bc87e

SHA256
3f1c013957a6821fc13e1989ae600ba095d98fefc77225a3711ac02559b156e2

SHA512
245638c45889dcf8c4b7eaf3d92b549390036cdccfceabffc2d647109df14f6fd9104dcc7512e8a9b7e5a6a3710d9e7df16492b99de86a46115939eaf58690c3

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\259407510.txt

Filesize
445KB

MD5
fd740a0cf6304ce34265fd5b1aa4b544

SHA1
f69be70592516667854df5275524444a256631dc

SHA256
4afc7ccb74bcf732b0b4a90b817b8dafd04e46cd30d98ede97bf84a28c6b9159

SHA512
5e1c6d3bb3c5e452869ff54aa1177d81bcb42a91b1d7549bdbc3354ebc2863dc1c5aa17f9a39e48ac63b4f5cb76de0876fe02f3fc557f78516e046df10020848

Download Submit
\Windows\SysWOW64\259407510.txt

Filesize
899KB

MD5
3edbd82d593fd1db910ce0a8d72c5092

SHA1
0145d09fab7a5b93fc24c29e105ce7ec1b050e67

SHA256
465c3763f291b781febbbdec11d810821fca7419313d4ba0da4476a83bed6477

SHA512
e04cf0386293fab701eb97e38ff6b56fa875fd87d69eb2e2f3e1a471b844d11f33fa446faf5cbbab668a579cf56a30392511a54475ee789da3500f79550101f5

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2556-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2560-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2560-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2928-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download