6220f68ee99b3a55eabde41d1fac1adc4053b3bbb904fe1a69f3cf89b679bd0c

Analysis

max time kernel
155s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/05/2024, 20:06

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General

Target

2024-05-19_d02c1cca41d25efe80a34ad8a4212289_cryptolocker.exe
Size

390KB
MD5

d02c1cca41d25efe80a34ad8a4212289
SHA1

184261f99171d333a45f25132dec1fb58c0f0485
SHA256

6220f68ee99b3a55eabde41d1fac1adc4053b3bbb904fe1a69f3cf89b679bd0c
SHA512

0ce5ff8aa4d89815b9f3ce5b70bc8e722da683d41fdd431de30941905b56b9aadea2ea6311ebca0fe375a58148a170f6f9f980f2b28c82376855a32a9bbb9660
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXY:nnOflT/ZFIjBz3xjTxynGUOUhXY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002324f-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	2024-05-19_d02c1cca41d25efe80a34ad8a4212289_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
464	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 4480 wrote to memory of 464	4480	2024-05-19_d02c1cca41d25efe80a34ad8a4212289_cryptolocker.exe	92
PID 4480 wrote to memory of 464	4480	2024-05-19_d02c1cca41d25efe80a34ad8a4212289_cryptolocker.exe	92
PID 4480 wrote to memory of 464	4480	2024-05-19_d02c1cca41d25efe80a34ad8a4212289_cryptolocker.exe	92

C:\Users\Admin\AppData\Local\Temp\2024-05-19_d02c1cca41d25efe80a34ad8a4212289_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-19_d02c1cca41d25efe80a34ad8a4212289_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:464

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=4144 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:2724

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
1adc10b797371688df34befa4984319b

SHA1
5c17d74b1aca6160e3677efe0ff5f399709ff61d

SHA256
b478425bffe5b85763f0849afdad8ffbdff0809868a80d9766fbaa5537f9795a

SHA512
e5b4b7cdb4c9bc2bc71e4bbbbae2d81e6d9e19f5464b08be0cb1237e6d388e2d8c67ff7e095d81dbdd1c51a08963f331bc03998963bf036612f02c5c7d6772c6

Download Submit
memory/464-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/464-23-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/4480-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4480-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4480-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download