f268fa3139efaa709e18e90ff88034d86579050248110404e151b66bd97a1d9f

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 09:50

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General

Target

2024-02-24_cbf96c5d05fa450c65fc04beebde7009_cryptolocker.exe
Size

39KB
MD5

cbf96c5d05fa450c65fc04beebde7009
SHA1

bdd8024813bfe0ace0c7d34e8312d270175e35c2
SHA256

f268fa3139efaa709e18e90ff88034d86579050248110404e151b66bd97a1d9f
SHA512

f18eaff97b69dac419c6098f18e86d9af7b6622d70bfe0d7a04e9a30d182b980d8137f33db1a9ed64afdb90df604b360b54136e230d770514d10c80552a00c53
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuM:X6QFElP6n+gJQMOtEvwDpjBsYK/x

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2956	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	2024-02-24_cbf96c5d05fa450c65fc04beebde7009_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2956	2164	2024-02-24_cbf96c5d05fa450c65fc04beebde7009_cryptolocker.exe	28
PID 2164 wrote to memory of 2956	2164	2024-02-24_cbf96c5d05fa450c65fc04beebde7009_cryptolocker.exe	28
PID 2164 wrote to memory of 2956	2164	2024-02-24_cbf96c5d05fa450c65fc04beebde7009_cryptolocker.exe	28
PID 2164 wrote to memory of 2956	2164	2024-02-24_cbf96c5d05fa450c65fc04beebde7009_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-24_cbf96c5d05fa450c65fc04beebde7009_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_cbf96c5d05fa450c65fc04beebde7009_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
39KB

MD5
b9c8126cdff7dda53871d647c37f553c

SHA1
c355121fe3b5743bfa87e5c8c8206357cf714aea

SHA256
94e77a1277977e75150d73a2e755385f262d948d13462d1a64aa38c8d70acf59

SHA512
e8a9676198543b66b935493563b1609db21d2a76b568fc4caa7c12075a8ee02a459eca4616e8fc248f0830a3bb9d0177e7f70c082f11d398b904f9854a90309f

Download Submit
memory/2164-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2164-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2164-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2956-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download