6fd90a90070f0a59cdee89e70cd7acf38f415f55519a3dcf66deee0e5d3b69df

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17/06/2024, 07:41

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General

Target

2024-06-17_ceb99002f2f1707ea6f7fec8bf91f041_cryptolocker.exe
Size

88KB
MD5

ceb99002f2f1707ea6f7fec8bf91f041
SHA1

191d266421494891130c670b02f4c2ff94be81e8
SHA256

6fd90a90070f0a59cdee89e70cd7acf38f415f55519a3dcf66deee0e5d3b69df
SHA512

1e95b76da5f89a8e03a499e2f710d1451e16d4c272621830b3bfd555ed40928ae0d3652673b2cf66c1fca63cea582aef51265cd5802cf1f868779bdb087b4fcc
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBlQH:vCjsIOtEvwDpj5H9YvQd24

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023553-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023553-12.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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	2024-06-17_ceb99002f2f1707ea6f7fec8bf91f041_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	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 212 wrote to memory of 2196	212	2024-06-17_ceb99002f2f1707ea6f7fec8bf91f041_cryptolocker.exe	89
PID 212 wrote to memory of 2196	212	2024-06-17_ceb99002f2f1707ea6f7fec8bf91f041_cryptolocker.exe	89
PID 212 wrote to memory of 2196	212	2024-06-17_ceb99002f2f1707ea6f7fec8bf91f041_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-06-17_ceb99002f2f1707ea6f7fec8bf91f041_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-17_ceb99002f2f1707ea6f7fec8bf91f041_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:212
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2196

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 --field-trial-handle=3756,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:8
1⤵
PID:3540

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
88KB

MD5
5577d46fa4cd37fae18314affcac94b0

SHA1
ee7f1c3575ee01dbb87cf100c91dc365a4bf69d9

SHA256
d37abbb4be9314155e8606722946b27be16ada4e0a85ee32818ba992c6c8156b

SHA512
110343fd7a2d7e96f4a377290c9a0cd4bedee21d4759be33759e335618678899f8d2bab60b49d4f5bd51f15ed67a5a025a0b81cac3fcc4ec19148d54cf5a19e1

Download Submit
memory/212-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/212-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/212-8-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2196-17-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/2196-23-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download