50cbe9e2c5ee2ebcd8c6deb684facaee412f3c884dee229a4d5cd3b38d233ae1

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 14:23

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General

Target

2024-05-10_0694779a1ee30d4777c97278141f20aa_cryptolocker.exe
Size

34KB
MD5

0694779a1ee30d4777c97278141f20aa
SHA1

ed42e017368ec84cd3a599deae31a3b0118eadaf
SHA256

50cbe9e2c5ee2ebcd8c6deb684facaee412f3c884dee229a4d5cd3b38d233ae1
SHA512

9e347c800997f2589b35a65a6fc0c0a14b2451fce304a8c7bd4700050c4368d8e46825b54a9ddbf8178346e290e39232bf06c91d6618cdddb12fe29a6a6e3147
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5MnO:bxNrC7kYo1Fxf2rYAO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023256-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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	2024-05-10_0694779a1ee30d4777c97278141f20aa_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	pissa.exe

Executes dropped EXE 1 IoCs

pid	Process
4624	pissa.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 4796 wrote to memory of 4624	4796	2024-05-10_0694779a1ee30d4777c97278141f20aa_cryptolocker.exe	91
PID 4796 wrote to memory of 4624	4796	2024-05-10_0694779a1ee30d4777c97278141f20aa_cryptolocker.exe	91
PID 4796 wrote to memory of 4624	4796	2024-05-10_0694779a1ee30d4777c97278141f20aa_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-05-10_0694779a1ee30d4777c97278141f20aa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-10_0694779a1ee30d4777c97278141f20aa_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:4624

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=4584 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:2244

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\pissa.exe

Filesize
34KB

MD5
6f3f0d405637c6332eb30c1e44bac4d8

SHA1
aec92a198e1d1cc0eccf766f591d16775b7edfcd

SHA256
2cdbe4bd53110f31d92e40f9f009a2364c97e97b8b9c0ecd7c597dad6f981597

SHA512
f6db209d94874bd0a7b1d95f0756879066110d8c30aff93467cac88869eb2a256c45ae7feafa6ad1d9143e10b6908e68ebde0805eb654f149b6b417dec8fa078

Download Submit
C:\Users\Admin\AppData\Local\Temp\pissec.exe

Filesize
261B

MD5
11bed1c06d8f4680de5154405be20365

SHA1
9c3095f1aa0b02924c23592d1e86673bb0081ca1

SHA256
bcc0582f122db6e61d2aa06628275f5b882c01ca037699427d0f68e48d744666

SHA512
050bb38ff33ab7e8e8aa647cffb26d2b0a54074340e79f0acf0db8f076c421505f1e4c1ce169d55aeacd4085ce258a78d24327c9393650642963beb130517da8

Download Submit
memory/4624-17-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4624-23-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/4796-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4796-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4796-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download