d4374168cc67e9e8b9e5a06826aaedc686b95568a6ec963f7793aec57923d36f

Analysis

max time kernel
142s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/04/2024, 03:24

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General

Target

2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe
Size

34KB
MD5

0ab64549917dea515233bae1e370f3cb
SHA1

f111f9add6b822d021d89578ec5c4ad0f9ca0f9d
SHA256

d4374168cc67e9e8b9e5a06826aaedc686b95568a6ec963f7793aec57923d36f
SHA512

2b9fd7d730733edba50ab8db4875b6db88a01f7ac39b34cca565cd36ecc617f02a0fe380f3b280b4dc84a45f8ba0448ed74d296bd3c5f00d4c9f8db228cd3122
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4Jzd:fT+hsMQMOtEvwDpjoIHJzd

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023256-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023256-12.dat	CryptoLocker_set1

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	2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2480	misid.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 4000 wrote to memory of 2480	4000	2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe	91
PID 4000 wrote to memory of 2480	4000	2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe	91
PID 4000 wrote to memory of 2480	4000	2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2480

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=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:1620

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\misid.exe

Filesize
34KB

MD5
e0628f80b812298b8d5ac639a597f7b6

SHA1
51dbd783f85c134e412b12643f77ae59c8660c74

SHA256
f04e89870b5c583d8bccb1c30021edde35b0fb527d8cdc2eff53696a05d2ee4b

SHA512
22b8ffd921fd1ad0ba7cd25cf8878ba8bb4fd227fda81c0717b0e2dda3c641ee03468b9c53f53c8925a7c6fe9c14b2f89f9fb677892056afe7cfbfbbef6bb224

Download Submit
memory/2480-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2480-18-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4000-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4000-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4000-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download