e838bca64ad64770bc2d31a027006a7b8cfb424f2d40ca622c810fd30a71a7de

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 21:24

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General

Target

2024-05-29_086a36a16bd09f5205f2d28957847f9e_cryptolocker.exe
Size

71KB
MD5

086a36a16bd09f5205f2d28957847f9e
SHA1

4a0e417ed6f0f38dfc6f4db02b6fe6f6b75bbc8a
SHA256

e838bca64ad64770bc2d31a027006a7b8cfb424f2d40ca622c810fd30a71a7de
SHA512

4ec4bb05a386f74b0eb3d1a6216676251e357841711c05e9f6477ee939b7771a76d3b7bac0c22d3ab011ad233e851e4f6c7bcb8c4055ccc24fa1c85de3cb78a8
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/R8:vj+jsMQMOtEvwDpj5HZYTjipvF24ty

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a3f-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a3f-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3012	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1248	2024-05-29_086a36a16bd09f5205f2d28957847f9e_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 1248 wrote to memory of 3012	1248	2024-05-29_086a36a16bd09f5205f2d28957847f9e_cryptolocker.exe	28
PID 1248 wrote to memory of 3012	1248	2024-05-29_086a36a16bd09f5205f2d28957847f9e_cryptolocker.exe	28
PID 1248 wrote to memory of 3012	1248	2024-05-29_086a36a16bd09f5205f2d28957847f9e_cryptolocker.exe	28
PID 1248 wrote to memory of 3012	1248	2024-05-29_086a36a16bd09f5205f2d28957847f9e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-29_086a36a16bd09f5205f2d28957847f9e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-29_086a36a16bd09f5205f2d28957847f9e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
71KB

MD5
898bb05c5437a80c0fb7dfac0eefa04e

SHA1
addc98d2befef4720485b751765e8835b1398fcf

SHA256
c7ac18b88f2c6c56af18e8fc2db90cb953eee7f4f97caab7dedaf6dce7380bff

SHA512
6cb74d988ad8721771453652f5328e81c654ddcbc64211f5cb9ce553ef8055828ff484c23cf2d33e04f7181352a551ff4ed9d536f9455562bbe74108f66e4248

Download Submit
memory/1248-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1248-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1248-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3012-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download