gh0strat | 3387cd28f17efd976288e7fdd00a13a11ad5083d8c9f5e36f4132bd50c8f5b60

General

Target

_007D000001~Rip(1).exe
Size

1.2MB
MD5

b08692bf5229ff68ef8eafd9a0b283da
SHA1

4a60b471acf4468eca27e8a5eb68fb6011181d1d
SHA256

3387cd28f17efd976288e7fdd00a13a11ad5083d8c9f5e36f4132bd50c8f5b60
SHA512

6a8a37480797fe451d41913e3867b492b6246a9ba71a8367f1bad1c22e2a5188e980fef478b78c912d0c3cecb8b2865dd8af10017d3222a52b0ca2f06e617f08
SSDEEP

24576:nezAqHGdeQI+sK0p876T+3BIW7GEyMZyL:ezATVI3u76T+RP7GEyMY

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 3 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1040-2-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/1040-5-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2264-19-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/1040-2-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/1040-5-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/2264-19-0x0000000010000000-0x00000000101A0000-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

Executes dropped EXE 2 IoCs

pid	Process
2264	svchost.exe
3284	svchost.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NetMeeting\svchost.exe	_007D000001~Rip(1).exe
File opened for modification	C:\Program Files (x86)\NetMeeting\svchost.exe	_007D000001~Rip(1).exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	_007D000001~Rip(1).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
4544	cmd.exe
4668	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4668	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1040	_007D000001~Rip(1).exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 4544	1040	_007D000001~Rip(1).exe	88
PID 1040 wrote to memory of 4544	1040	_007D000001~Rip(1).exe	88
PID 1040 wrote to memory of 4544	1040	_007D000001~Rip(1).exe	88
PID 2264 wrote to memory of 3284	2264	svchost.exe	89
PID 2264 wrote to memory of 3284	2264	svchost.exe	89
PID 2264 wrote to memory of 3284	2264	svchost.exe	89
PID 4544 wrote to memory of 4668	4544	cmd.exe	91
PID 4544 wrote to memory of 4668	4544	cmd.exe	91
PID 4544 wrote to memory of 4668	4544	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\_007D000001~Rip(1).exe
"C:\Users\Admin\AppData\Local\Temp\_007D000001~Rip(1).exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040
- 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\_007D0~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4544
- - 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:4668

C:\Program Files (x86)\NetMeeting\svchost.exe
"C:\Program Files (x86)\NetMeeting\svchost.exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Program Files (x86)\NetMeeting\svchost.exe
  "C:\Program Files (x86)\NetMeeting\svchost.exe" -acsi
  2⤵
  - Executes dropped EXE
  PID:3284

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 (x86)\NetMeeting\svchost.exe

Filesize
1.2MB

MD5
b08692bf5229ff68ef8eafd9a0b283da

SHA1
4a60b471acf4468eca27e8a5eb68fb6011181d1d

SHA256
3387cd28f17efd976288e7fdd00a13a11ad5083d8c9f5e36f4132bd50c8f5b60

SHA512
6a8a37480797fe451d41913e3867b492b6246a9ba71a8367f1bad1c22e2a5188e980fef478b78c912d0c3cecb8b2865dd8af10017d3222a52b0ca2f06e617f08

Download Submit
memory/1040-4-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/1040-2-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/1040-1-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/1040-3-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/1040-5-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/1040-0-0x0000000075F63000-0x0000000075F64000-memory.dmp

Filesize
4KB

Download
memory/1040-26-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/2264-15-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/2264-14-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/2264-17-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/2264-19-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/2264-18-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download
memory/2264-27-0x0000000075F40000-0x0000000076030000-memory.dmp

Filesize
960KB

Download

Analysis

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