a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5

General

Target

a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe
Size

70KB
MD5

2d21290a4ac030e7b7c1f8bb9e36dc52
SHA1

cff38cae60982e275fe78b6c816b2c0207323ea1
SHA256

a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5
SHA512

f748abb71715558947dd39c5359cb81420517296c50d58830d51f8245d511e461219a92cbb4a753d3066b83f30ab04814be68d1b86fc2d69cfd606b953bc902d
SSDEEP

1536:jX0JlJNe1BlG+Pve7Bmx+qoDw60loBnmvPFdLujEKX49yQvEpj/Dp:jX0JlqrlfPv8Ix+qoqnNdLuxoyQvEpXp

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

scvhost.exe

pid process

4088 scvhost.exe

pid	process
4088	scvhost.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:

a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jklVersion = "1.1"	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\scvhost.exe = "C:\\Users\\Public\\scvhost.exe"	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kID = "17"	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.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 2 IoCs

Processes:

a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exescvhost.exe

pid process

2360 a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe
4088 scvhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exescvhost.exe

description	pid	process
Token: SeDebugPrivilege	2360	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe
Token: SeDebugPrivilege	4088	scvhost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exescvhost.exe

pid	process
2360	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe
2360	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe
4088	scvhost.exe
4088	scvhost.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe

description	pid	process	target process
PID 2360 wrote to memory of 4088	2360	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe	scvhost.exe
PID 2360 wrote to memory of 4088	2360	a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe	scvhost.exe

C:\Users\Admin\AppData\Local\Temp\a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe
"C:\Users\Admin\AppData\Local\Temp\a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360

C:\Users\Public\scvhost.exe
"C:\Users\Public\scvhost.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\Public\scvhost.exe

Filesize
70KB

MD5
2d21290a4ac030e7b7c1f8bb9e36dc52

SHA1
cff38cae60982e275fe78b6c816b2c0207323ea1

SHA256
a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5

SHA512
f748abb71715558947dd39c5359cb81420517296c50d58830d51f8245d511e461219a92cbb4a753d3066b83f30ab04814be68d1b86fc2d69cfd606b953bc902d

Download Submit
C:\Users\Public\scvhost.exe

Filesize
70KB

MD5
2d21290a4ac030e7b7c1f8bb9e36dc52

SHA1
cff38cae60982e275fe78b6c816b2c0207323ea1

SHA256
a181986f717715a4b8a39767f023adb834e8f25164e4cf9e7db3ac0abe4759b5

SHA512
f748abb71715558947dd39c5359cb81420517296c50d58830d51f8245d511e461219a92cbb4a753d3066b83f30ab04814be68d1b86fc2d69cfd606b953bc902d

Download Submit
memory/2360-132-0x000000001CA70000-0x000000001D4A6000-memory.dmp

Filesize
10.2MB

Download
memory/2360-133-0x0000000001A5A000-0x0000000001A5F000-memory.dmp

Filesize
20KB

Download
memory/2360-138-0x0000000001A5A000-0x0000000001A5F000-memory.dmp

Filesize
20KB

Download
memory/2360-141-0x0000000001A5A000-0x0000000001A5F000-memory.dmp

Filesize
20KB

Download
memory/4088-134-0x0000000000000000-mapping.dmp

Download
memory/4088-137-0x000000001C520000-0x000000001CF56000-memory.dmp

Filesize
10.2MB

Download
memory/4088-139-0x000000000150A000-0x000000000150F000-memory.dmp

Filesize
20KB

Download
memory/4088-140-0x000000000150A000-0x000000000150F000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads