b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea

General

Target

b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exe
Size

50KB
MD5

5a15e18050df38d7e10d08c4329b8752
SHA1

b83f5a85517f146e4fa7d7ef569ac4ef048af1e1
SHA256

b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea
SHA512

144e4aa3de3e4c1c29dfa61b5bbc12270b261465e6d69d885b0d118c19ca0e4f81696240cdc6a7a2d7e250154f52a2f84f4477c3149b1bf4c6d13e1274193003
SSDEEP

768:PDOCtz8u3WN1SgACDUrK9mT62kX5M1y6HZjHe6qvtG1ddFct1gCSNM0jcHCCjPky:rOmrt71Gi/wdSGHCCrkw

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

serviceterm.exe

pid process

864 serviceterm.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1892 netsh.exe

pid	process
1892	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:

b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exe

Drops startup file 2 IoCs

Processes:

serviceterm.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d5f0b389a852b1a96559bece7a915d42.exe	serviceterm.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d5f0b389a852b1a96559bece7a915d42.exe	serviceterm.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

serviceterm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d5f0b389a852b1a96559bece7a915d42 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\serviceterm.exe\" .."	serviceterm.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\d5f0b389a852b1a96559bece7a915d42 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\serviceterm.exe\" .."	serviceterm.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 25 IoCs

Processes:

serviceterm.exe

pid	process
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe
864	serviceterm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

serviceterm.exe

description pid process

Token: SeDebugPrivilege 864 serviceterm.exe

description	pid	process
Token: SeDebugPrivilege	864	serviceterm.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exeserviceterm.exe

description	pid	process	target process
PID 4716 wrote to memory of 864	4716	b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exe	serviceterm.exe
PID 4716 wrote to memory of 864	4716	b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exe	serviceterm.exe
PID 4716 wrote to memory of 864	4716	b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exe	serviceterm.exe
PID 864 wrote to memory of 1892	864	serviceterm.exe	netsh.exe
PID 864 wrote to memory of 1892	864	serviceterm.exe	netsh.exe
PID 864 wrote to memory of 1892	864	serviceterm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exe
"C:\Users\Admin\AppData\Local\Temp\b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4716

C:\Users\Admin\AppData\Local\Temp\serviceterm.exe
"C:\Users\Admin\AppData\Local\Temp\serviceterm.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\serviceterm.exe" "serviceterm.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1892

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\serviceterm.exe

Filesize
50KB

MD5
5a15e18050df38d7e10d08c4329b8752

SHA1
b83f5a85517f146e4fa7d7ef569ac4ef048af1e1

SHA256
b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea

SHA512
144e4aa3de3e4c1c29dfa61b5bbc12270b261465e6d69d885b0d118c19ca0e4f81696240cdc6a7a2d7e250154f52a2f84f4477c3149b1bf4c6d13e1274193003

Download Submit
C:\Users\Admin\AppData\Local\Temp\serviceterm.exe

Filesize
50KB

MD5
5a15e18050df38d7e10d08c4329b8752

SHA1
b83f5a85517f146e4fa7d7ef569ac4ef048af1e1

SHA256
b740aeb2a5bc8740c4ed8b51f776e45a34ef43d33c7b06c6131e8e4b671571ea

SHA512
144e4aa3de3e4c1c29dfa61b5bbc12270b261465e6d69d885b0d118c19ca0e4f81696240cdc6a7a2d7e250154f52a2f84f4477c3149b1bf4c6d13e1274193003

Download Submit
memory/864-134-0x0000000000000000-mapping.dmp

Download
memory/864-138-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/864-140-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/1892-137-0x0000000000000000-mapping.dmp

Download
memory/4716-132-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/4716-133-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/4716-139-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads