2024dc62e30f14755e588c9fed96f6bacfd5356f2e803e3754733bf1391d1e58

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 07:34

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General

Target

2024-03-27_8dee239ceceeebe033f3ae099f39a6d6_cryptolocker.exe
Size

52KB
MD5

8dee239ceceeebe033f3ae099f39a6d6
SHA1

7c78973ec0436a1366f343888fe6db8d86ab6100
SHA256

2024dc62e30f14755e588c9fed96f6bacfd5356f2e803e3754733bf1391d1e58
SHA512

7d061fcf2ef8997d02f3040e70980fa3670e009cc1e955e8f9dd8164ace09baeea349be6a90f7c2756c62d920ad5965df3be5813bba0bceec77ac2bfd01c8a96
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9Xv+mb6uXvMjt:bIDOw9a0DwitDZzc167jt

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2956	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2012	2024-03-27_8dee239ceceeebe033f3ae099f39a6d6_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 2012 wrote to memory of 2956	2012	2024-03-27_8dee239ceceeebe033f3ae099f39a6d6_cryptolocker.exe	28
PID 2012 wrote to memory of 2956	2012	2024-03-27_8dee239ceceeebe033f3ae099f39a6d6_cryptolocker.exe	28
PID 2012 wrote to memory of 2956	2012	2024-03-27_8dee239ceceeebe033f3ae099f39a6d6_cryptolocker.exe	28
PID 2012 wrote to memory of 2956	2012	2024-03-27_8dee239ceceeebe033f3ae099f39a6d6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_8dee239ceceeebe033f3ae099f39a6d6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_8dee239ceceeebe033f3ae099f39a6d6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.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\lossy.exe

Filesize
53KB

MD5
c5b6074d24cb41d48f6e0becc2ce2736

SHA1
d9c801e13a1d721fc6827dc3983681cf24bdfac0

SHA256
19112716ee8f8b4654930437dcbe75ecef48d70d1f33ba19b7d6fb6b56e592e2

SHA512
544c4b565b0a462b81028b3bdac5abbb2e3e883050ca197fc48fa1f1e806fda8ca20ba6a8ffa2ab9923b8cbbca0a44d4becf18a899208c5edf94cca68241a16b

Download Submit
memory/2012-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2012-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2012-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2956-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2956-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download