gh0strat | 2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529

General

Target

2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe
Size

1.6MB
MD5

2cc33d47148fe80b8f3ef1c97f86ea4b
SHA1

06c7f9a43c4b51caf90f67ba50ae9b013d226194
SHA256

2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529
SHA512

1d25f40c99db19fecfc1a58a6ecc129e51dda091712ef5a3a8709b06e21b1e29ac4522fe61cda5eaf53b90cd97c077e11034f43ef6822f1266a853ca04db223c
SSDEEP

12288:a4ZuzQTRIGxHifW8CRMwmAOTLmyWwU8lLgUd32:a4Zm5GxCfWtN8TLmwlLx32

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/2572-2-0x0000000010000000-0x000000001018B000-memory.dmp	family_gh0strat
behavioral2/memory/4080-16-0x0000000010000000-0x000000001018B000-memory.dmp	family_gh0strat
behavioral2/memory/2572-25-0x0000000000400000-0x00000000005C3000-memory.dmp	family_gh0strat
behavioral2/memory/2400-27-0x0000000000400000-0x00000000005C3000-memory.dmp	family_gh0strat
behavioral2/memory/4080-30-0x0000000000400000-0x00000000005C3000-memory.dmp	family_gh0strat
behavioral2/memory/2400-38-0x0000000000400000-0x00000000005C3000-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

Executes dropped EXE 2 IoCs

pid	Process
4080	Stlme.exe
2400	Stlme.exe

VMProtect packed file 7 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/2572-0-0x0000000000400000-0x00000000005C3000-memory.dmp	vmprotect
behavioral2/memory/2572-1-0x0000000000400000-0x00000000005C3000-memory.dmp	vmprotect
behavioral2/files/0x0009000000023cd9-13.dat	vmprotect
behavioral2/memory/2572-25-0x0000000000400000-0x00000000005C3000-memory.dmp	vmprotect
behavioral2/memory/2400-27-0x0000000000400000-0x00000000005C3000-memory.dmp	vmprotect
behavioral2/memory/4080-30-0x0000000000400000-0x00000000005C3000-memory.dmp	vmprotect
behavioral2/memory/2400-38-0x0000000000400000-0x00000000005C3000-memory.dmp	vmprotect

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Stlme.exe	2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe
File opened for modification	C:\Windows\Stlme.exe	2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.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	2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Stlme.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Stlme.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
232	cmd.exe
1992	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1992	PING.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe
Token: SeIncBasePriorityPrivilege	2572	2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 232	2572	2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe	89
PID 2572 wrote to memory of 232	2572	2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe	89
PID 2572 wrote to memory of 232	2572	2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe	89
PID 4080 wrote to memory of 2400	4080	Stlme.exe	90
PID 4080 wrote to memory of 2400	4080	Stlme.exe	90
PID 4080 wrote to memory of 2400	4080	Stlme.exe	90
PID 232 wrote to memory of 1992	232	cmd.exe	92
PID 232 wrote to memory of 1992	232	cmd.exe	92
PID 232 wrote to memory of 1992	232	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe
"C:\Users\Admin\AppData\Local\Temp\2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572
- 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\2EA5B0~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:232
- - 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:1992

C:\Windows\Stlme.exe
C:\Windows\Stlme.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Windows\Stlme.exe
  C:\Windows\Stlme.exe -acsi
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2400

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:\Windows\Stlme.exe

Filesize
1.6MB

MD5
2cc33d47148fe80b8f3ef1c97f86ea4b

SHA1
06c7f9a43c4b51caf90f67ba50ae9b013d226194

SHA256
2ea5b0272d628afd0e199360e5c5e58058710b8f81609910ee97950bafa1c529

SHA512
1d25f40c99db19fecfc1a58a6ecc129e51dda091712ef5a3a8709b06e21b1e29ac4522fe61cda5eaf53b90cd97c077e11034f43ef6822f1266a853ca04db223c

Download Submit
memory/2400-27-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2400-38-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2572-0-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2572-1-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/2572-2-0x0000000010000000-0x000000001018B000-memory.dmp

Filesize
1.5MB

Download
memory/2572-25-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download
memory/4080-16-0x0000000010000000-0x000000001018B000-memory.dmp

Filesize
1.5MB

Download
memory/4080-30-0x0000000000400000-0x00000000005C3000-memory.dmp

Filesize
1.8MB

Download

Analysis

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