gh0strat | 648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 12:49

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General

Target

648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
Size

3.8MB
MD5

4d245d8113de851108a94efd5eb47614
SHA1

b011874964656cf8e6ce73021d09de1cf36d6d8f
SHA256

648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206
SHA512

ffd9daed87823344422160cd6d041c5c8ffe27ec72e1c18bf9feac497e204d377337cf7810de6a6e0c3231980b1a0f9ef7d9e3e49885a670722f2a9548508ff0
SSDEEP

49152:ICwsbCANnKXferL7Vwe/Gg0P+Whlwn+cG5evZbwaIjG5F:Dws2ANnKXOaeOgmhlw+gZ5IjGD

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/2640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2832-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x002b000000015c2f-6.dat	family_gh0strat
behavioral1/memory/2640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2832-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2832-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2832-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2832-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2832-48-0x0000000010000000-0x00000000101B6000-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\\259415372.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
1712	R.exe
2640	N.exe
2504	TXPlatfor.exe
2832	TXPlatfor.exe
2560	HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
2476	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
1712	R.exe
2924	svchost.exe
2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
2504	TXPlatfor.exe
2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
2924	svchost.exe
2476	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2640-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2832-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\259415372.txt	R.exe
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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2664	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2832	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2640	N.exe
Token: SeLoadDriverPrivilege	2832	TXPlatfor.exe
Token: 33	2832	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2832	TXPlatfor.exe
Token: 33	2832	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2832	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1712	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	28
PID 2124 wrote to memory of 1712	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	28
PID 2124 wrote to memory of 1712	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	28
PID 2124 wrote to memory of 1712	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	28
PID 2124 wrote to memory of 2640	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	31
PID 2124 wrote to memory of 2640	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	31
PID 2124 wrote to memory of 2640	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	31
PID 2124 wrote to memory of 2640	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	31
PID 2124 wrote to memory of 2640	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	31
PID 2124 wrote to memory of 2640	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	31
PID 2124 wrote to memory of 2640	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	31
PID 2640 wrote to memory of 2532	2640	N.exe	33
PID 2640 wrote to memory of 2532	2640	N.exe	33
PID 2640 wrote to memory of 2532	2640	N.exe	33
PID 2640 wrote to memory of 2532	2640	N.exe	33
PID 2504 wrote to memory of 2832	2504	TXPlatfor.exe	34
PID 2504 wrote to memory of 2832	2504	TXPlatfor.exe	34
PID 2504 wrote to memory of 2832	2504	TXPlatfor.exe	34
PID 2504 wrote to memory of 2832	2504	TXPlatfor.exe	34
PID 2504 wrote to memory of 2832	2504	TXPlatfor.exe	34
PID 2504 wrote to memory of 2832	2504	TXPlatfor.exe	34
PID 2504 wrote to memory of 2832	2504	TXPlatfor.exe	34
PID 2124 wrote to memory of 2560	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	36
PID 2124 wrote to memory of 2560	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	36
PID 2124 wrote to memory of 2560	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	36
PID 2124 wrote to memory of 2560	2124	648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe	36
PID 2532 wrote to memory of 2664	2532	cmd.exe	37
PID 2532 wrote to memory of 2664	2532	cmd.exe	37
PID 2532 wrote to memory of 2664	2532	cmd.exe	37
PID 2532 wrote to memory of 2664	2532	cmd.exe	37
PID 2924 wrote to memory of 2476	2924	svchost.exe	38
PID 2924 wrote to memory of 2476	2924	svchost.exe	38
PID 2924 wrote to memory of 2476	2924	svchost.exe	38
PID 2924 wrote to memory of 2476	2924	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
"C:\Users\Admin\AppData\Local\Temp\648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2124
- 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:1712
- 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:2640
- - 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:2532
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2664
- C:\Users\Admin\AppData\Local\Temp\HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
  C:\Users\Admin\AppData\Local\Temp\HD_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe
  2⤵
  - Executes dropped EXE
  PID:2560

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2712

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:2924
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259415372.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2476

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2504
- 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:2832

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_648689559a2b2896b1df457fa9c550c1013f8c3463142b4d6760c8d8ec0b1206.exe

Filesize
1.4MB

MD5
c910bde8cb7e5f26e4924a8f260d8a95

SHA1
a3bb7e18e187a731c8324906a19af70f4767d743

SHA256
14afa7b794ca84899882d8b013f0a01faa7d4a4b36c17102d24f94ff62ae683f

SHA512
829a1a1f9cd9f95745d05ac5f60f6339202d0ec96cf8eb95036cc9d50c4e6f2bf06df6742d22ee5d37c39b23a2cc549e440c6c3c9dbbcee0298e939f12d4d068

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

Filesize
2.4MB

MD5
8ef20a6240137e3cff577b25aec24645

SHA1
5285d54f0d8d48ddda9d91b11131ebb8612c302c

SHA256
c7a9cd02a6b82389bb94c3df9c9b529e54d17499602c50dcf79b2c3836e55fb7

SHA512
4ffc366196fcb25fcd75ec876b81660aa9276a9373ab4f9065c8460f81025a0df6fcf8fba4907caab576cbf8c5dcec111d1636a0f4f30c2c212bc4917f12bef8

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\259415372.txt

Filesize
899KB

MD5
784c3412b3bbf4798d931b5c14a5c488

SHA1
dfd1efe5376f7fcbb0d902a3fbe66d19ac928229

SHA256
dd704f9e1acd41931be0d798d479c50b4bdfa03b51b1ef4e2f04df2f61690f8b

SHA512
dc0be90a7b76d056f543b3eaebdead4a05f1da8533133264704a104ad48f0941db78d8e3ae30e0ca98f9eeb2e1b6e52ab333769ec6516b6920623e2b1f88d6cf

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2640-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2832-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download