98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe

General

Target

98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exe
Size

92KB
MD5

d2ce8df85352ede4430ffce07cfadfc2
SHA1

153d2cfdbd85821435682a433fbfaf92720654be
SHA256

98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe
SHA512

f1f776364b41d27a21154fbf0e460e512cde0b41786cb09818e3ac2248fcfe95711a0ec4803e01630c57eedca5a3b46678cb017d7771f3ad42eb2380fbc3bb58
SSDEEP

1536:VaZOoED+olxqhCvg5ORtl3s16meFYCwWE+xTib1QSIJGAdqMjBG7LQoNgmwFr:JoEFXvcIl3s8FYjaTib1QNGAdbjBG7nk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

System.exe

pid process

4140 System.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1136 netsh.exe

pid	process
1136	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exeSystem.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\60 = "C:\\Users\\Admin\\AppData\\Local\\1.exe"	98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\60 = "C:\\Users\\Admin\\AppData\\Local\\1.exe"	System.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\301b5fcf8ce2fab8868e80b6c1f912fe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\301b5fcf8ce2fab8868e80b6c1f912fe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

System.exe

pid	process
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe
4140	System.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

System.exe

description pid process

Token: SeDebugPrivilege 4140 System.exe

description	pid	process
Token: SeDebugPrivilege	4140	System.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exeSystem.exe

description	pid	process	target process
PID 1892 wrote to memory of 4140	1892	98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exe	System.exe
PID 1892 wrote to memory of 4140	1892	98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exe	System.exe
PID 4140 wrote to memory of 1136	4140	System.exe	netsh.exe
PID 4140 wrote to memory of 1136	4140	System.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exe
"C:\Users\Admin\AppData\Local\Temp\98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1892

C:\Users\Admin\AppData\Local\Temp\System.exe
"C:\Users\Admin\AppData\Local\Temp\System.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4140

C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1136

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\System.exe
Filesize
92KB

MD5
d2ce8df85352ede4430ffce07cfadfc2

SHA1
153d2cfdbd85821435682a433fbfaf92720654be

SHA256
98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe

SHA512
f1f776364b41d27a21154fbf0e460e512cde0b41786cb09818e3ac2248fcfe95711a0ec4803e01630c57eedca5a3b46678cb017d7771f3ad42eb2380fbc3bb58

Download Submit
C:\Users\Admin\AppData\Local\Temp\System.exe
Filesize
92KB

MD5
d2ce8df85352ede4430ffce07cfadfc2

SHA1
153d2cfdbd85821435682a433fbfaf92720654be

SHA256
98fcfd0442fdf9f6a028e2f19c623618acb639c17084e23fadfbd19eaf4f1cbe

SHA512
f1f776364b41d27a21154fbf0e460e512cde0b41786cb09818e3ac2248fcfe95711a0ec4803e01630c57eedca5a3b46678cb017d7771f3ad42eb2380fbc3bb58

Download Submit
memory/1136-137-0x0000000000000000-mapping.dmp

Download
memory/1892-132-0x000000001C770000-0x000000001D1A6000-memory.dmp

Filesize
10.2MB

Download
memory/4140-133-0x0000000000000000-mapping.dmp

Download
memory/4140-136-0x000000001B880000-0x000000001C2B6000-memory.dmp

Filesize
10.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads