gh0strat | aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff

General

Target

aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe
Size

2.5MB
MD5

396d7d0de1669ec544df36d0a9f103b9
SHA1

986b013e4b9d3f8acf9735b25da8b87250e8bfea
SHA256

aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff
SHA512

3181b3a523b017182a7010fef16650bb95755f4ca9ca8069bbd8b6a60957eac19513d88cef3272d1495a922990d7d994c248a1f6f8985097ac7b8382fca85124
SSDEEP

24576:7CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHb:7CwsbCANnKXferL7Vwe/Gg0P+WhwJ

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1532-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1532-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x000f000000015c7c-6.dat	family_gh0strat
behavioral1/memory/1532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1532-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1532-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2956-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2956-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-41-0x0000000010000000-0x00000000101B6000-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 4 IoCs

pid	Process
2268	R.exe
1532	N.exe
2956	TXPlatfor.exe
2560	TXPlatfor.exe

Loads dropped DLL 4 IoCs

pid	Process
2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe
2268	R.exe
2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe
2956	TXPlatfor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1532-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1532-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1532-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1532-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2956-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2956-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259428742.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2612	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2560	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1532	N.exe
Token: SeLoadDriverPrivilege	2560	TXPlatfor.exe
Token: 33	2560	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2560	TXPlatfor.exe
Token: 33	2560	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2560	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe
2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2268	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	28
PID 2724 wrote to memory of 2268	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	28
PID 2724 wrote to memory of 2268	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	28
PID 2724 wrote to memory of 2268	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	28
PID 2724 wrote to memory of 1532	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	29
PID 2724 wrote to memory of 1532	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	29
PID 2724 wrote to memory of 1532	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	29
PID 2724 wrote to memory of 1532	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	29
PID 2724 wrote to memory of 1532	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	29
PID 2724 wrote to memory of 1532	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	29
PID 2724 wrote to memory of 1532	2724	aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe	29
PID 1532 wrote to memory of 2680	1532	N.exe	31
PID 1532 wrote to memory of 2680	1532	N.exe	31
PID 1532 wrote to memory of 2680	1532	N.exe	31
PID 1532 wrote to memory of 2680	1532	N.exe	31
PID 2956 wrote to memory of 2560	2956	TXPlatfor.exe	33
PID 2956 wrote to memory of 2560	2956	TXPlatfor.exe	33
PID 2956 wrote to memory of 2560	2956	TXPlatfor.exe	33
PID 2956 wrote to memory of 2560	2956	TXPlatfor.exe	33
PID 2956 wrote to memory of 2560	2956	TXPlatfor.exe	33
PID 2956 wrote to memory of 2560	2956	TXPlatfor.exe	33
PID 2956 wrote to memory of 2560	2956	TXPlatfor.exe	33
PID 2680 wrote to memory of 2612	2680	cmd.exe	34
PID 2680 wrote to memory of 2612	2680	cmd.exe	34
PID 2680 wrote to memory of 2612	2680	cmd.exe	34
PID 2680 wrote to memory of 2612	2680	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe
"C:\Users\Admin\AppData\Local\Temp\aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2724
- 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:2268
- 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:1532
- - 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:2680
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2612

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956
- 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:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

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
2.5MB

MD5
396d7d0de1669ec544df36d0a9f103b9

SHA1
986b013e4b9d3f8acf9735b25da8b87250e8bfea

SHA256
aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff

SHA512
3181b3a523b017182a7010fef16650bb95755f4ca9ca8069bbd8b6a60957eac19513d88cef3272d1495a922990d7d994c248a1f6f8985097ac7b8382fca85124

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\259428742.txt

Filesize
899KB

MD5
557ef147f9a8815add0653c5af88e109

SHA1
5a0fbcbf785dc65b5a64bbb837e407a545e58b03

SHA256
46c08e19a991e9279bad0f14dede3d8362dc4463f3a4368406549aa360266247

SHA512
e261e59d1d44b87e9a41f890a347e65f6674a9a71199b932edf47de28391bcf4faacf27e8611d173244937a83b9c2062f9668936885d696417c8cd635507fc27

Download Submit
memory/1532-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1532-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1532-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1532-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2560-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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

Filesize
1.7MB

Download
memory/2560-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2956-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2956-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads