gh0strat | d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004

Analysis

max time kernel
128s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 11:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe
Size

491KB
MD5

4d02d507c92aa0b0a7ad9b8c215bb41c
SHA1

2a5b27d0c34db285565ca07816f2912fe3db24ff
SHA256

d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004
SHA512

e2d6783d1423351581f243e1018825970d48345043a19ba5c88322824847e37453364f685b7b55de41d3e50bc7408b79c496781e19965f878401246b5d0d46c0
SSDEEP

6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2RG6lZv:oDR+u8pfjYMMWNvdhUSByFPz8v

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 12 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2552-2-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2552-5-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2552-3-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/2552-6-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3464-14-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3464-16-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3464-17-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3968-26-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3968-25-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3464-24-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3464-13-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit
behavioral2/memory/3968-30-0x0000000010000000-0x00000000101D0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/2552-2-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/2552-5-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/2552-3-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/2552-6-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3464-14-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3464-16-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3464-17-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3968-26-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3968-25-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3464-24-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3464-13-0x0000000010000000-0x00000000101D0000-memory.dmp	family_gh0strat
behavioral2/memory/3968-30-0x0000000010000000-0x00000000101D0000-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

Executes dropped EXE 2 IoCs

pid	Process
3464	Skcsk.exe
3968	Skcsk.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\N:	Skcsk.exe
File opened (read-only)	\??\Q:	Skcsk.exe
File opened (read-only)	\??\E:	Skcsk.exe
File opened (read-only)	\??\I:	Skcsk.exe
File opened (read-only)	\??\J:	Skcsk.exe
File opened (read-only)	\??\L:	Skcsk.exe
File opened (read-only)	\??\W:	Skcsk.exe
File opened (read-only)	\??\B:	Skcsk.exe
File opened (read-only)	\??\K:	Skcsk.exe
File opened (read-only)	\??\M:	Skcsk.exe
File opened (read-only)	\??\O:	Skcsk.exe
File opened (read-only)	\??\T:	Skcsk.exe
File opened (read-only)	\??\X:	Skcsk.exe
File opened (read-only)	\??\Y:	Skcsk.exe
File opened (read-only)	\??\S:	Skcsk.exe
File opened (read-only)	\??\U:	Skcsk.exe
File opened (read-only)	\??\V:	Skcsk.exe
File opened (read-only)	\??\Z:	Skcsk.exe
File opened (read-only)	\??\G:	Skcsk.exe
File opened (read-only)	\??\H:	Skcsk.exe
File opened (read-only)	\??\P:	Skcsk.exe
File opened (read-only)	\??\R:	Skcsk.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2552-0-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2552-2-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2552-5-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2552-3-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/2552-6-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3464-12-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3464-14-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3464-16-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3464-17-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3968-26-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3968-25-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3464-24-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3464-13-0x0000000010000000-0x00000000101D0000-memory.dmp	upx
behavioral2/memory/3968-30-0x0000000010000000-0x00000000101D0000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Skcsk.exe	d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe
File created	C:\Program Files\Skcsk.exe	d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.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	Skcsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skcsk.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
1752	cmd.exe
3660	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Skcsk.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Skcsk.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Skcsk.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Skcsk.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Skcsk.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Skcsk.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Skcsk.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3660	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe
3968	Skcsk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2552	d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1752	2552	d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe	83
PID 2552 wrote to memory of 1752	2552	d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe	83
PID 2552 wrote to memory of 1752	2552	d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe	83
PID 3464 wrote to memory of 3968	3464	Skcsk.exe	84
PID 3464 wrote to memory of 3968	3464	Skcsk.exe	84
PID 3464 wrote to memory of 3968	3464	Skcsk.exe	84
PID 1752 wrote to memory of 3660	1752	cmd.exe	86
PID 1752 wrote to memory of 3660	1752	cmd.exe	86
PID 1752 wrote to memory of 3660	1752	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe
"C:\Users\Admin\AppData\Local\Temp\d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552
- 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\D2A9A3~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1752
- - 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:3660

C:\Program Files\Skcsk.exe
"C:\\Program Files\\Skcsk.exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Program Files\Skcsk.exe
  "C:\Program Files\Skcsk.exe" -acsi
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:3968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\Skcsk.exe

Filesize
491KB

MD5
4d02d507c92aa0b0a7ad9b8c215bb41c

SHA1
2a5b27d0c34db285565ca07816f2912fe3db24ff

SHA256
d2a9a39d84763ffc0b0c57dcfaafe7439a50902e307107dc2a70354d04559004

SHA512
e2d6783d1423351581f243e1018825970d48345043a19ba5c88322824847e37453364f685b7b55de41d3e50bc7408b79c496781e19965f878401246b5d0d46c0

Download Submit
memory/2552-0-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2552-2-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2552-5-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2552-3-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/2552-6-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3464-12-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3464-14-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3464-16-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3464-17-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3464-24-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3464-13-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3968-26-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3968-25-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download
memory/3968-30-0x0000000010000000-0x00000000101D0000-memory.dmp

Filesize
1.8MB

Download