7ac96c68dea44ac72e1d96f0a5116c435968a3ed9925c3bbf77fca29c97b6875

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 17:36

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General

Target

2024-04-24_60c6a44c19b8b7aafe7d4e768d420ac1_cryptolocker.exe
Size

54KB
MD5

60c6a44c19b8b7aafe7d4e768d420ac1
SHA1

c8b1bcc74b750da9863363f99a13ec10be9a4603
SHA256

7ac96c68dea44ac72e1d96f0a5116c435968a3ed9925c3bbf77fca29c97b6875
SHA512

106b51c5c33bc6f5a4a47c0f57ba1a045b2f0c3d73d0f7783407cb05b52bc5c28c0a712654d0289f058e64b479ee0e818a2eb54a5e279105797f17ef46b258db
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb8puq:bIDOw9a0DwitDZzcTLq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000f000000023253-12.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	2024-04-24_60c6a44c19b8b7aafe7d4e768d420ac1_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2228	lossy.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 3696 wrote to memory of 2228	3696	2024-04-24_60c6a44c19b8b7aafe7d4e768d420ac1_cryptolocker.exe	90
PID 3696 wrote to memory of 2228	3696	2024-04-24_60c6a44c19b8b7aafe7d4e768d420ac1_cryptolocker.exe	90
PID 3696 wrote to memory of 2228	3696	2024-04-24_60c6a44c19b8b7aafe7d4e768d420ac1_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-04-24_60c6a44c19b8b7aafe7d4e768d420ac1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-24_60c6a44c19b8b7aafe7d4e768d420ac1_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2228

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=3736 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:1732

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\lossy.exe

Filesize
55KB

MD5
097af4a65fbe82566f07bdeee33b435d

SHA1
55c34c668b172149fc8679c1196a453fc5fc7719

SHA256
0c5327a6bd2377de0f16f6ae005754774bc44131b9d502a75091e9be682dd031

SHA512
0d067ebe11008bb1228c54b85d5a3ae1b01a45512a753765dbe78b8e2c184c2406d5235b62907f6669c7718d92fc8a7f8993d5ea20c7a091ac90a502fd14943d

Download Submit
memory/2228-17-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/2228-21-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/3696-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3696-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3696-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download