da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 03:43

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General

Target

da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de.exe
Size

391KB
MD5

3acaa579adb5b3ad4f6c825777c2f884
SHA1

6aa0c9447908d25ae8c5e2a0c7ca446d41936346
SHA256

da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de
SHA512

c82bcb89a9dd0549e4320fe65e2eb3502ae9c428c524e58b554b5b1bd491c02b26d3dc29a34e1594f1afdc730b390b253905d9199e0b78694728a2a42245189a
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzX4:nnOflT/ZFIjBz3xjTxynGUOUhX4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023268-12.dat	CryptoLocker_rule2

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de.exe

Executes dropped EXE 1 IoCs

pid	Process
3516	hasfj.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 3516	4832	da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de.exe	91
PID 4832 wrote to memory of 3516	4832	da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de.exe	91
PID 4832 wrote to memory of 3516	4832	da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de.exe	91

C:\Users\Admin\AppData\Local\Temp\da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de.exe
"C:\Users\Admin\AppData\Local\Temp\da489419deb4bcb2a01ea5cff66424f0c5d077380310bb32c8ef9010714118de.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3516

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=4048 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:4548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
391KB

MD5
a30ca1d039d62b5aa0c918747cfef605

SHA1
44a9593a980f59dfd4f80517c9c6666ce2199906

SHA256
fb284260cce62e44f9afe32d12c7adb69280ac8fcf0af9c9f3f559dc2b376ae2

SHA512
d1a288c93354429aebd2ddc980ff7f420358ebc92f0ffa4e58ad2db5268f8ff43960861bcfeab79013808657bdf8d0bde01eba5e207cf0d2477879e676d709c0

Download Submit
memory/3516-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3516-23-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/4832-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4832-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4832-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download