e98a6735733b765e3adadd09f823b606497aeb8629d76866e4a8d1f0b90dcaaa

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
28/02/2024, 11:38

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General

Target

2024-02-28_7fa70da5bdf4c83e7fd9389b22817fc3_cryptolocker.exe
Size

61KB
MD5

7fa70da5bdf4c83e7fd9389b22817fc3
SHA1

1e65e5da3bb47adcec6c3e500e993556d982d121
SHA256

e98a6735733b765e3adadd09f823b606497aeb8629d76866e4a8d1f0b90dcaaa
SHA512

63b31cfcd5ca8ae828c951f4abe795d7633987b16415935be9f6bd2404e90441c68657a17d32f60d5737209ea3400e5bef1e1475c28f61802e2ac0820884750e
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbmhJ:V6a+pOtEvwDpjvT

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
2508	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2452	2024-02-28_7fa70da5bdf4c83e7fd9389b22817fc3_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 2452 wrote to memory of 2508	2452	2024-02-28_7fa70da5bdf4c83e7fd9389b22817fc3_cryptolocker.exe	28
PID 2452 wrote to memory of 2508	2452	2024-02-28_7fa70da5bdf4c83e7fd9389b22817fc3_cryptolocker.exe	28
PID 2452 wrote to memory of 2508	2452	2024-02-28_7fa70da5bdf4c83e7fd9389b22817fc3_cryptolocker.exe	28
PID 2452 wrote to memory of 2508	2452	2024-02-28_7fa70da5bdf4c83e7fd9389b22817fc3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-28_7fa70da5bdf4c83e7fd9389b22817fc3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-28_7fa70da5bdf4c83e7fd9389b22817fc3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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
61KB

MD5
8b369fd16b58d9404b116bef626ebe25

SHA1
9d6fd204bc533971db5869e4ca1b7c2b67b29381

SHA256
f6c1f3a9834d2c498cd80a1dbf775be65fe87adf93c4e187cb9c7065b1c25375

SHA512
20b7702e9e9b81fa528a7ccbdf7965d84f48d96a2512b17ad2030d8ce092cded52bc22f3e3f63f813da3d4c684016da1f6f12e4c6d537ef96257a512df06e6d9

Download Submit
memory/2452-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2452-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2452-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2508-15-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2508-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download