5bea63999b0642660fc98644d9be16b5c6f19d70de9f8bb3955afcf496e6b6a5

Analysis

max time kernel
143s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02-02-2024 13:35

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General

Target

2024-02-02_cb6fe33ec7ac3a6b124110857ba68a7f_cryptolocker.exe
Size

79KB
MD5

cb6fe33ec7ac3a6b124110857ba68a7f
SHA1

2dfbb6fdf355b1d7ee4a8021e8202ea94fd078ac
SHA256

5bea63999b0642660fc98644d9be16b5c6f19d70de9f8bb3955afcf496e6b6a5
SHA512

86d278c48552c61ce24fe8462f75f1d039025a7907d3b7ba687679bbce2b2a777d508927ae22383e32af7d62cfb6e76c12cd5eb11d083ae659c178c2bbfd9031
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHF7:vCjsIOtEvwDpj5H9YvQd2d

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120f8-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120f8-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2256	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2456	2024-02-02_cb6fe33ec7ac3a6b124110857ba68a7f_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 2456 wrote to memory of 2256	2456	2024-02-02_cb6fe33ec7ac3a6b124110857ba68a7f_cryptolocker.exe	28
PID 2456 wrote to memory of 2256	2456	2024-02-02_cb6fe33ec7ac3a6b124110857ba68a7f_cryptolocker.exe	28
PID 2456 wrote to memory of 2256	2456	2024-02-02_cb6fe33ec7ac3a6b124110857ba68a7f_cryptolocker.exe	28
PID 2456 wrote to memory of 2256	2456	2024-02-02_cb6fe33ec7ac3a6b124110857ba68a7f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-02_cb6fe33ec7ac3a6b124110857ba68a7f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-02_cb6fe33ec7ac3a6b124110857ba68a7f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2256

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
79KB

MD5
ca16eaa5afb3d240407c87d9234a4075

SHA1
6eeec1d3d7d0c480e09656a660e305e110955b28

SHA256
debb557d7d365c9d8deb9203c2007176862f4a9c99c93d80c08e4e98da3a29b9

SHA512
5e37a01eeab8e93dbb86ff9e2796998674777e7f2b7b5ceaf7b6610a1536c3edd6f5568a03ca47a1fab364188796ada4d9883c29d240526c1699c0546a2a1dfb

Download Submit
memory/2256-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2256-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2456-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2456-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2456-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download