gh0strat | 6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139

General

Target

6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe
Size

491KB
MD5

0f716594d847a3feae8af0197914d987
SHA1

c8e9a517aa37365904c5dc38510290503d5fd4de
SHA256

6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139
SHA512

7297079e45be13a39ce40cbf20b04a3d4cf6cb34e8cdf26b2ada7e494bb4e612009427029bc5409dd8bc30dde6ada4e9dbb9cbd2e4774b84c134a1c21d51cdb7
SSDEEP

6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2RZ6lZv:oDR+u8pfjYMMWNvdhUSByFPzXv

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2956-5-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-2-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-4-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-3-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-14-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-16-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2676-27-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2676-26-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-28-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2956-25-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2956-5-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2956-2-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2956-4-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2956-3-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2684-14-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2684-16-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2676-27-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2676-26-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2684-28-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral1/memory/2956-25-0x0000000010000000-0x00000000101D0000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Deletes itself 1 IoCs

pid	Process
2688	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2684	Vnfvn.exe
2676	Vnfvn.exe

Loads dropped DLL 1 IoCs

pid	Process
2684	Vnfvn.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2956-0-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2956-5-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2956-2-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2956-4-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2956-3-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2684-14-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2684-16-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2676-27-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2676-26-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2684-28-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral1/memory/2956-25-0x0000000010000000-0x00000000101D0000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Vnfvn.exe	6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe
File opened for modification	C:\Program Files\Vnfvn.exe	6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vnfvn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vnfvn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2688	cmd.exe
2716	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2716	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2956	6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2676	2684	Vnfvn.exe	32
PID 2684 wrote to memory of 2676	2684	Vnfvn.exe	32
PID 2684 wrote to memory of 2676	2684	Vnfvn.exe	32
PID 2684 wrote to memory of 2676	2684	Vnfvn.exe	32
PID 2956 wrote to memory of 2688	2956	6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe	33
PID 2956 wrote to memory of 2688	2956	6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe	33
PID 2956 wrote to memory of 2688	2956	6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe	33
PID 2956 wrote to memory of 2688	2956	6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe	33
PID 2688 wrote to memory of 2716	2688	cmd.exe	35
PID 2688 wrote to memory of 2716	2688	cmd.exe	35
PID 2688 wrote to memory of 2716	2688	cmd.exe	35
PID 2688 wrote to memory of 2716	2688	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe
"C:\Users\Admin\AppData\Local\Temp\6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956
- 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\632615~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2716

C:\Program Files\Vnfvn.exe
"C:\\Program Files\\Vnfvn.exe" -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Program Files\Vnfvn.exe
  "C:\Program Files\Vnfvn.exe" -acsi
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Vnfvn.exe

Filesize
491KB

MD5
0f716594d847a3feae8af0197914d987

SHA1
c8e9a517aa37365904c5dc38510290503d5fd4de

SHA256
6326154926aa8bea1f8e30f9fa6fed4763fa3a0eda7d8997a394bc52fec40139

SHA512
7297079e45be13a39ce40cbf20b04a3d4cf6cb34e8cdf26b2ada7e494bb4e612009427029bc5409dd8bc30dde6ada4e9dbb9cbd2e4774b84c134a1c21d51cdb7

Download Submit
memory/2676-27-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2676-26-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2684-14-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2684-16-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2684-28-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2956-0-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2956-5-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2956-2-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2956-4-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2956-3-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2956-25-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download

Analysis

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