80d244ddc648615ede155a373bf7335b609cdc9ee2e0893f44c2bb3649a22ab7

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12-03-2024 19:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-12_58b2c836fa60295942cb88c8743060ba_cryptolocker.exe
Size

45KB
MD5

58b2c836fa60295942cb88c8743060ba
SHA1

3d581e7c6ed18da2c0c0bc9e880857a937f61820
SHA256

80d244ddc648615ede155a373bf7335b609cdc9ee2e0893f44c2bb3649a22ab7
SHA512

9fda14c35942aa95f559299a7070169e214b687d0b84bfd9f0e4ef81cbb80d2e6458c81bc005619b73b933111afdc677b82bf10347b860c1481ed074147d9069
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1wsi:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1Y

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 2 IoCs

resource	yara_rule
behavioral2/files/0x000400000002271f-13.dat	CryptoLocker_rule2
behavioral2/memory/3592-17-0x00000000005E0000-0x00000000005E6000-memory.dmp	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	2024-03-12_58b2c836fa60295942cb88c8743060ba_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3592	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 4064 wrote to memory of 3592	4064	2024-03-12_58b2c836fa60295942cb88c8743060ba_cryptolocker.exe	97
PID 4064 wrote to memory of 3592	4064	2024-03-12_58b2c836fa60295942cb88c8743060ba_cryptolocker.exe	97
PID 4064 wrote to memory of 3592	4064	2024-03-12_58b2c836fa60295942cb88c8743060ba_cryptolocker.exe	97

C:\Users\Admin\AppData\Local\Temp\2024-03-12_58b2c836fa60295942cb88c8743060ba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_58b2c836fa60295942cb88c8743060ba_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3592

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=3932 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:896

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
45KB

MD5
81eb5648d6f5fa0a947ccf694f09fa0b

SHA1
08c591fd2b002e3c0ffb10604d27d7a5aca4cd46

SHA256
ac706b406598f842915d7d678efa1bdddba7fa7e5d35fc18a2522e4662642460

SHA512
873c2a0f6ed3845023d7e8a596356c55d307913669744f308736f7b2c5a30056d7bc3553adf4976e8ea3b61bc173dbe4e19abb5041760f63cfb83353aa747a48

Download Submit
memory/3592-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3592-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3592-20-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4064-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4064-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4064-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4064-3-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4064-26-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download