9eacade8174f008c48ea57d43068dbce3d91093603db0511467c18252f60de32

Analysis

max time kernel
144s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 12:59

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General

Target

Attachments.lnk
Size

1KB
MD5

cac3161c21fc24e8530ad189835f7d68
SHA1

f58e9d6ade2e933bb379ce5fb44e0fa4c598ba63
SHA256

96a0a7ee73984d9a2ed785ff822d090549769c16feed09d31322d9a36f53f856
SHA512

f961379e0d9085911f0dcee94521ded6aab34babb9ab824db221256d3f73bcbcab7795ddf26f5d11c80a7e15948c68241fab2e83ad2e678088045d65528e9a41

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

Processes:

rundll32.exe

flow pid process

1 3928 rundll32.exe
47 3928 rundll32.exe
62 3928 rundll32.exe
71 3928 rundll32.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:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 4628 wrote to memory of 3928 4628 cmd.exe rundll32.exe
PID 4628 wrote to memory of 3928 4628 cmd.exe rundll32.exe

flow	pid	process
1	3928	rundll32.exe
47	3928	rundll32.exe
62	3928	rundll32.exe
71	3928	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	cmd.exe

description	pid	process	target process
PID 4628 wrote to memory of 3928	4628	cmd.exe	rundll32.exe
PID 4628 wrote to memory of 3928	4628	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Attachments.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4628

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" Attachments.dat,ProcessLoad
2⤵
- Blocklisted process makes network request
PID:3928

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3272 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:3580

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3928-0-0x00007FFEB2B60000-0x00007FFEB2B70000-memory.dmp

Filesize
64KB

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