gh0strat | 4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 12:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe
Size 6.6MB
Sample240625-pxkrvszgph
SHA256 4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00
MD5 02c264b0a5923f1cffa3242d6d3e2b1a
SHA1 a34bd6bd81ba27177a4efeec429c89907d522357
SHA512 941e4c0321267b34eac413b7539bde9995413bf2bb5d37fabffbca7bb7992d746754145c7aed9159bec43e958f8432008dafcf7d5d926fa8c71574e15a788780
SSDEEP 98304:Kws2ANnKXOaeOgmhqf5j9wfAiVmH+rzSVlfz5H+Db5+bUl4Mizf07DTu:AKXbeO7qp9qpzgMb5+AlLibwy
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4492-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4492-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4492-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4028-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4028-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4028-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4028-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1992-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1992-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1992-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x000700000002343b-6.dat	family_gh0strat
behavioral2/memory/4492-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4492-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4492-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4028-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4028-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4028-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4028-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1992-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1992-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1992-49-0x0000000010000000-0x00000000101B6000-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 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 5 IoCs

pid	Process
2116	R.exe
4492	N.exe
4028	TXPlatfor.exe
1992	TXPlatfor.exe
3220	HD_4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe

Loads dropped DLL 1 IoCs

pid	Process
2116	R.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4492-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4492-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4492-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4492-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4028-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4028-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4028-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4028-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4028-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1992-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1992-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1992-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240604171.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.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	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4292	2116	WerFault.exe	81
4336	2116	WerFault.exe	81

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4004	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe
924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1992	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4492	N.exe
Token: SeLoadDriverPrivilege	1992	TXPlatfor.exe
Token: 33	1992	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1992	TXPlatfor.exe
Token: 33	1992	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1992	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe
924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 2116	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	81
PID 924 wrote to memory of 2116	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	81
PID 924 wrote to memory of 2116	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	81
PID 924 wrote to memory of 4492	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	87
PID 924 wrote to memory of 4492	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	87
PID 924 wrote to memory of 4492	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	87
PID 4492 wrote to memory of 4996	4492	N.exe	89
PID 4492 wrote to memory of 4996	4492	N.exe	89
PID 4492 wrote to memory of 4996	4492	N.exe	89
PID 4028 wrote to memory of 1992	4028	TXPlatfor.exe	90
PID 4028 wrote to memory of 1992	4028	TXPlatfor.exe	90
PID 4028 wrote to memory of 1992	4028	TXPlatfor.exe	90
PID 4996 wrote to memory of 4004	4996	cmd.exe	93
PID 4996 wrote to memory of 4004	4996	cmd.exe	93
PID 4996 wrote to memory of 4004	4996	cmd.exe	93
PID 924 wrote to memory of 3220	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	91
PID 924 wrote to memory of 3220	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	91
PID 924 wrote to memory of 3220	924	4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe	91

C:\Users\Admin\AppData\Local\Temp\4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe
"C:\Users\Admin\AppData\Local\Temp\4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:924
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 468
    3⤵
    - Program crash
    PID:4292
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 448
    3⤵
    - Program crash
    PID:4336
- 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:4492
- - 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:4996
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4004
- C:\Users\Admin\AppData\Local\Temp\HD_4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe
  2⤵
  - Executes dropped EXE
  PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2116 -ip 2116
1⤵
PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2116 -ip 2116
1⤵
PID:448

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4028
- 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:1992

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

HD_4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_4219313a73897ddadb01eece15fd60bb5c636fc0c33259f7cece29ef0ab47f00.exe
Size 4.2MB
SHA256 41fa2a26844d714dc3e99f8dec0a7fd24e575b7ab5c46a31b03bd02384bd309f
MD5 6e3abf3f33864acb0fa811ece9511fb3
SHA1 e8d2a7ef7824162947df4a9c639b787920bda5a6
SHA512 63a3f2d6a6ddba716d863102270107e9fa18e84b1c11105e0d568d81f875a3d34cfea0fb667b53b709587d738c5cdb9c3230ef824cb5236962abfacd5a4bb54d
SSDEEP 98304:P9wfAiVmH+rzSVlfz5H+Db5+bUl4Mizf07DTu:P9qpzgMb5+AlLibwy
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.4MB
SHA256 64bf7614fdba74d7ad12318a8bfb05f42c676e21aaf05be26cf60efe6d26fe3d
MD5 3bf3d84633f64b3656724cd8a9e2f652
SHA1 68e84a019f53b4cecd7b878dba50d7dfab1ced41
SHA512 bdf5252ff8b2fc07d07c847052f337ba3b16a484ecac568a967ff33d053d96c304cd299204a4ef20aecb5332655636a595f90672f827b2d24be6cf77009fd7a5
SSDEEP 24576:fCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHY:fCwsbCANnKXferL7Vwe/Gg0P+Whqf5O
MD5 SHA1 SHA512 SSDEEP

Submit Download

N.exe

Path C:\Users\Admin\AppData\Local\Temp\N.exe
Size 377KB
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
MD5 SHA1 SHA512 SSDEEP

Submit Download

R.exe

Path C:\Users\Admin\AppData\Local\Temp\R.exe
Size 941KB
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
MD5 SHA1 SHA512 SSDEEP

Submit Download

240604171.txt

Path C:\Windows\SysWOW64\240604171.txt
Size 899KB
SHA256 bfe5e30a626f4e89ea6e9324857d4aaa799d6b72f7b9e6549f3f10796f785b11
MD5 b9d54595484a8468e04dba005f97b3bd
SHA1 e1fdba71efaac3de56599ebe84c8af43937b02f4
SHA512 1d590e050ac4d3d2fdba6576a69336cfbd328bd2695a2ad4d6ec3a36654aed8ddc22602a7a28aa817d343e7bdac1922e6c0c230272580f2c823ca77bd1fb9dd8
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXw:7wqd87Vw
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/924-0-0x0000000000400000-0x0000000000689000-memory.dmp

Download

memory/1992-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1992-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1992-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4028-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4028-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4028-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4028-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4028-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4492-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4492-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4492-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4492-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Download