7e898c2f066b03a45b364fec955a5992e80875d8c11d78f1e678a66efea056da

Analysis

max time kernel
138s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 07:38

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General

Target

2024-04-16_94c1d432b9ea1407f366c34640c0d0ac_cryptolocker.exe
Size

75KB
MD5

94c1d432b9ea1407f366c34640c0d0ac
SHA1

72184af1429f4e6c635ae446729dc82fc498ce68
SHA256

7e898c2f066b03a45b364fec955a5992e80875d8c11d78f1e678a66efea056da
SHA512

1f3346932e799bca96e49a85734c213823cdc12022e8321eb2e0c9e8c5b01090603fa30ab05d0bd7b57f8146251156b73b81ab3aaf48533ea8fa01fc938e5255
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUz:ZVxkGOtEvwDpjca3

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000900000002325f-13.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	2024-04-16_94c1d432b9ea1407f366c34640c0d0ac_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3128	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 2252 wrote to memory of 3128	2252	2024-04-16_94c1d432b9ea1407f366c34640c0d0ac_cryptolocker.exe	91
PID 2252 wrote to memory of 3128	2252	2024-04-16_94c1d432b9ea1407f366c34640c0d0ac_cryptolocker.exe	91
PID 2252 wrote to memory of 3128	2252	2024-04-16_94c1d432b9ea1407f366c34640c0d0ac_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-04-16_94c1d432b9ea1407f366c34640c0d0ac_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_94c1d432b9ea1407f366c34640c0d0ac_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3128

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=4420 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:4684

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
75KB

MD5
48a715030283f1ff33619ac9698b2dc4

SHA1
24d6191307457ed89f8db244c67cb75dad669694

SHA256
684c007f03555fb802071c97bd5b4a298ed67ff92ffeba06bcfb30554f7c0691

SHA512
441fd46e35f91ec7fdc61698ae58cf3646d11b0a870fdd46119272c5fa83db7770d45cbf1f687a346dbc685928c16c04d15213457cb8fc13d04d14509f10125c

Download Submit
memory/2252-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2252-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2252-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2252-3-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/2252-19-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3128-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3128-20-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3128-22-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download