eaf2808de983cc0b69cb32306f8dfcd9890c1abd12e0c7cf3829aaeff2abedd6

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 00:35

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General

Target

2024-01-27_9239435974eee9b09386b1ed5e0d54e8_cryptolocker.exe
Size

78KB
MD5

9239435974eee9b09386b1ed5e0d54e8
SHA1

af801282eeeb53ff68df46a8bc0e53990cbb618e
SHA256

eaf2808de983cc0b69cb32306f8dfcd9890c1abd12e0c7cf3829aaeff2abedd6
SHA512

3354b6755105ec890a4b13ad3a2f51a6c2ea9cb06724dcb083af821f3de788f52ad2cb263977c1b49e004dcb663779f10a456b1bc78d14041aac1b637aa2c8c6
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHFb:vCjsIOtEvwDpj5H9YvQd2t

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000000b529-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000000b529-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2000	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	2024-01-27_9239435974eee9b09386b1ed5e0d54e8_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 1984 wrote to memory of 2000	1984	2024-01-27_9239435974eee9b09386b1ed5e0d54e8_cryptolocker.exe	20
PID 1984 wrote to memory of 2000	1984	2024-01-27_9239435974eee9b09386b1ed5e0d54e8_cryptolocker.exe	20
PID 1984 wrote to memory of 2000	1984	2024-01-27_9239435974eee9b09386b1ed5e0d54e8_cryptolocker.exe	20
PID 1984 wrote to memory of 2000	1984	2024-01-27_9239435974eee9b09386b1ed5e0d54e8_cryptolocker.exe	20

C:\Users\Admin\AppData\Local\Temp\2024-01-27_9239435974eee9b09386b1ed5e0d54e8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_9239435974eee9b09386b1ed5e0d54e8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2000

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\misid.exe

Filesize
78KB

MD5
b0a58a5e3f887fdd3e7d2f849891999d

SHA1
7c37f7759c79e92d50a635f0ff64182d4e7eaf53

SHA256
9dd44188ede81050ae896756386162a8996a44e52191c7f2254952a10c285a6c

SHA512
973a66f1364c0c0c47faeec3c10944e26151e5a87ff752552ba6c9e4f7a0818bf8705785205729769cc973d76392314033a7e3b3ad0686aa0984b7f0b54f67e6

Download Submit
memory/1984-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1984-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1984-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2000-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2000-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download