debf452de2c61b19facf0497daed03dbabb96288f6bc9aa54525654356a1dd74

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 17:35

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General

Target

2024-03-19_514abb0596d5e4f063c3e02f0c664728_cryptolocker.exe
Size

121KB
MD5

514abb0596d5e4f063c3e02f0c664728
SHA1

fb81fb25b4b743c07e2d5f7acbcb543379500e98
SHA256

debf452de2c61b19facf0497daed03dbabb96288f6bc9aa54525654356a1dd74
SHA512

43ac6b5a49f43e82a0702156f3f9dd251c7182d62de58429c97073ca5b7e03d58a607a8a9cc70f21931f49f4b81b3a39ba3a40f3f7e345cbe2c6e5efb9a9fdd4
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBT2e+:gUj+AIMOtEvwDpjNbwQEIPlemUhYmJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2488	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3048	2024-03-19_514abb0596d5e4f063c3e02f0c664728_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 3048 wrote to memory of 2488	3048	2024-03-19_514abb0596d5e4f063c3e02f0c664728_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-19_514abb0596d5e4f063c3e02f0c664728_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-19_514abb0596d5e4f063c3e02f0c664728_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-19_514abb0596d5e4f063c3e02f0c664728_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_514abb0596d5e4f063c3e02f0c664728_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_514abb0596d5e4f063c3e02f0c664728_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2488

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
121KB

MD5
bfe94132a32937e30ba028e8713cc97b

SHA1
9850d3ecd12bf33b6cee4756f302b2c392211df7

SHA256
90058e0eee96c509ab2243bf5b5105ddbd7ae279ed97b920f9f9d1f1cb316d7f

SHA512
26c074ebaf04710440319faa35960928d4913dd095fdba7cb92de34e9ad50865e42c559d97117d95ee32e61749e30f84dae92b0895ebbb4afc70a57ce5f1ed2d

Download Submit
memory/2488-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2488-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3048-0-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3048-2-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3048-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download