9d2a11e45bc6f2cc2bd70ff02bf41f8fb92fe351de0ee947f844f5a9d79c41da

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-01-2024 11:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-18_05c1cc82fda0cb4e220eba3bda39212f_cryptolocker.exe
Size

46KB
MD5

05c1cc82fda0cb4e220eba3bda39212f
SHA1

20d2f3589572e4f228ed4e74dec955caa2727e50
SHA256

9d2a11e45bc6f2cc2bd70ff02bf41f8fb92fe351de0ee947f844f5a9d79c41da
SHA512

e1edf4ec02a958f29bcf087d5f0f79fcecbb3560713a96068bbc5a20e44f92126fa578c7c5a3988cc705e85fdccfd657eb3c6e06a94540c6f5599d6d5e6265d2
SSDEEP

384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/7IVtM:XS5nQJ24LR1bytOOtEvwDpjNbP/MPM

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2500-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1972-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d00000001224c-25.dat	CryptoLocker_rule2
behavioral1/memory/1972-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2500-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1972-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1972-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2500-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1972-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000d00000001224c-25.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1972-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
1972	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2500	2024-01-18_05c1cc82fda0cb4e220eba3bda39212f_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 2500 wrote to memory of 1972	2500	2024-01-18_05c1cc82fda0cb4e220eba3bda39212f_cryptolocker.exe	28
PID 2500 wrote to memory of 1972	2500	2024-01-18_05c1cc82fda0cb4e220eba3bda39212f_cryptolocker.exe	28
PID 2500 wrote to memory of 1972	2500	2024-01-18_05c1cc82fda0cb4e220eba3bda39212f_cryptolocker.exe	28
PID 2500 wrote to memory of 1972	2500	2024-01-18_05c1cc82fda0cb4e220eba3bda39212f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_05c1cc82fda0cb4e220eba3bda39212f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_05c1cc82fda0cb4e220eba3bda39212f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1972

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

Loading Replay Monitor...

Downloads

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

Filesize
46KB

MD5
330de2771fcfda2fc141afea861a4c36

SHA1
83b9b054f81f891b94588dc030e60ef2c6d926ec

SHA256
fddd5f475dcef1fcab96c5c972537f8a6b2f0a59a996aa53f818e81647809e01

SHA512
d9778a5c9682b315a6643408cafb724e9dd10511cb68d63e76b0b01749576db7c1e216fa3df054c31c883c2328d3602b0402c3647b80ab3a6d46bb112e639b22

Download Submit
memory/1972-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1972-18-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1972-20-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1972-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2500-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2500-3-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2500-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2500-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download