gh0strat | 9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 22:57

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General

Target

9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
Size

4.9MB
MD5

649ce4d018b1e4a6994a9b239563b003
SHA1

6badade099a2ed9f7b781d0a49779371924c5d6d
SHA256

9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca
SHA512

a0873e296fee49eee7e97b13f716a3ec980ca39f35ee72a67f3fe11c47799333f092dc5907ac0d48f81f98ee7f1a9073e60f8186fe492065f0b82804f24ba919
SSDEEP

98304:Zws2ANnKXOaeOgmhT8k/4NSB3z2yeJVSk:rKXbeO75AS9ReJVSk

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2292-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2292-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x00090000000164d8-6.dat	family_gh0strat
behavioral1/memory/2292-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2292-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259399991.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
1732	R.exe
2292	N.exe
2616	TXPlatfor.exe
2604	TXPlatfor.exe
2732	HD_9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
2628	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
1732	R.exe
2940	svchost.exe
2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
2616	TXPlatfor.exe
2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
2940	svchost.exe
2628	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2292-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2292-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2292-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-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\259399991.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
2520	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2604	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2292	N.exe
Token: SeLoadDriverPrivilege	2604	TXPlatfor.exe
Token: 33	2604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2604	TXPlatfor.exe
Token: 33	2604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2604	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1732	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	28
PID 2028 wrote to memory of 1732	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	28
PID 2028 wrote to memory of 1732	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	28
PID 2028 wrote to memory of 1732	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	28
PID 2028 wrote to memory of 2292	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	31
PID 2028 wrote to memory of 2292	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	31
PID 2028 wrote to memory of 2292	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	31
PID 2028 wrote to memory of 2292	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	31
PID 2028 wrote to memory of 2292	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	31
PID 2028 wrote to memory of 2292	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	31
PID 2028 wrote to memory of 2292	2028	9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe	31
PID 2292 wrote to memory of 2656	2292	N.exe	33
PID 2292 wrote to memory of 2656	2292	N.exe	33
PID 2292 wrote to memory of 2656	2292	N.exe	33
PID 2292 wrote to memory of 2656	2292	N.exe	33
PID 2616 wrote to memory of 2604	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2604	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2604	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2604	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2604	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2604	2616	TXPlatfor.exe	34
PID 2616 wrote to memory of 2604	2616	TXPlatfor.exe	34
PID 2656 wrote to memory of 2520	2656	cmd.exe	37
PID 2656 wrote to memory of 2520	2656	cmd.exe	37
PID 2656 wrote to memory of 2520	2656	cmd.exe	37
PID 2656 wrote to memory of 2520	2656	cmd.exe	37
PID 2940 wrote to memory of 2628	2940	svchost.exe	38
PID 2940 wrote to memory of 2628	2940	svchost.exe	38
PID 2940 wrote to memory of 2628	2940	svchost.exe	38
PID 2940 wrote to memory of 2628	2940	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
"C:\Users\Admin\AppData\Local\Temp\9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1732
- 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:2292
- - 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:2656
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2520
- C:\Users\Admin\AppData\Local\Temp\HD_9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
  C:\Users\Admin\AppData\Local\Temp\HD_9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe
  2⤵
  - Executes dropped EXE
  PID:2732

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1652

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:2940
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259399991.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2628

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2616
- 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:2604

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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_9dd3f816d218884af24d0ca8c0f438bacbbda2f3ef56c6d6a2896d46e23615ca.exe

Filesize
2.6MB

MD5
d193862b5039a98e38bf060218683f47

SHA1
2b506388b93888b64e39d51826e20d32113f2cb0

SHA256
30bca3c40b0c3aa07a07ff5bff8945e5044882ad4760ad95a74ec63873f5c6db

SHA512
a92171a0f5b98d2cadbec47ec066bca4abcf3eb181fca60a6584cb6858840117f676d565a37b9c4e4f60cc609445ff7e8fbba1a85fc629d90cff89e0bc8257f7

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

Filesize
2.4MB

MD5
04b7b8d5018bd1d28e11c34234029065

SHA1
7161f12a42c6d4d217021bb7e39276845ec97a3c

SHA256
20353757c4429fd9c084c260b73cb6c565f4a1b26cb92bd95620722677b2fae5

SHA512
bfb9b146885ab441b4569a72b16355cfc7a5eb781130b1a408972e157ccce31e1f952fce2154f351a9acc46cb59cbfe940ccb6c92fb5753c3c5d33f4897fb47a

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\259399991.txt

Filesize
899KB

MD5
e9ea85b31840c357c710b82dfce6881d

SHA1
d67cab6dced98a1c98b893b35a30cc328b53cd97

SHA256
1c5cafa709b05eb51668688f646978e727eee23db3f3dca1371cedabb423f3c3

SHA512
5808308728f6ccdb6ee366945e777f6e188723831a008ae36043191002457cb2a15943dc3eb9c8c11df895a07c68f1a5694dd097083144c339f8dcd6388b24ce

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2292-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2292-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2292-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download