e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b

Analysis

max time kernel
189s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 06:54

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General

Target

e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b.exe
Size

401KB
MD5

edf31f5ba38d360965382562cdb82f6e
SHA1

2ff732f572b594306746048a35e56513caadf027
SHA256

e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b
SHA512

7394708ac94558d86b7fd1f5090809c01aa80f8949f8927aaa41a907c47b0171762438549fd3876866f4682ef3506a841b84fadfc72beb059e4cbf8c113126c3
SSDEEP

6144:0Ij7TnH53TiBWzvzR0OJJwdyVOYZRIPqwH0l25/txA:zr53HZwdyVOYZRIPqW5/t

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

taskmgr.exe

pid process

5044 taskmgr.exe

pid	process
5044	taskmgr.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:

e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b.exe

description	pid	process	target process
PID 4900 wrote to memory of 5044	4900	e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b.exe	taskmgr.exe
PID 4900 wrote to memory of 5044	4900	e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b.exe	taskmgr.exe

C:\Users\Admin\AppData\Local\Temp\e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b.exe
"C:\Users\Admin\AppData\Local\Temp\e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4900

C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
"C:\Users\Admin\AppData\Local\Temp\taskmgr.exe"
2⤵
- Executes dropped EXE
PID:5044

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
Filesize
401KB

MD5
edf31f5ba38d360965382562cdb82f6e

SHA1
2ff732f572b594306746048a35e56513caadf027

SHA256
e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b

SHA512
7394708ac94558d86b7fd1f5090809c01aa80f8949f8927aaa41a907c47b0171762438549fd3876866f4682ef3506a841b84fadfc72beb059e4cbf8c113126c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
Filesize
401KB

MD5
edf31f5ba38d360965382562cdb82f6e

SHA1
2ff732f572b594306746048a35e56513caadf027

SHA256
e20f75bfb83ae1a5aef8cdf18c3632912d3c4ac084bb52cbc9e101694ca5ef5b

SHA512
7394708ac94558d86b7fd1f5090809c01aa80f8949f8927aaa41a907c47b0171762438549fd3876866f4682ef3506a841b84fadfc72beb059e4cbf8c113126c3

Download Submit
memory/4900-132-0x00007FFF1B100000-0x00007FFF1BB36000-memory.dmp

Filesize
10.2MB

Download
memory/5044-133-0x0000000000000000-mapping.dmp

Download
memory/5044-136-0x00007FFF1B100000-0x00007FFF1BB36000-memory.dmp

Filesize
10.2MB

Download