d3753fe719fbb587e769afcdf83a5859176a164891dc111c9cd82a04e2b0e218

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
22/04/2024, 15:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe
Size

64KB
MD5

6066faebca452223dbe886fc2ea3c3b5
SHA1

70eda162bcd13c18164977de9f10713662709187
SHA256

d3753fe719fbb587e769afcdf83a5859176a164891dc111c9cd82a04e2b0e218
SHA512

e836e06ab7824d1bb069ba4425d573951af6da0586678672f99e526524da07764e7fe4b040360eca3737241e8d914a806121a04ac2db9c49c231ceccbf90d032
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEMoq:6j+1NMOtEvwDpjr8ox8UDEhq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral2/memory/3220-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x000300000001e97a-13.dat	CryptoLocker_rule2
behavioral2/memory/3220-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/2884-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral2/memory/3220-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x000300000001e97a-13.dat	CryptoLocker_set1
behavioral2/memory/3220-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/2884-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral2/memory/3220-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000300000001e97a-13.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3220-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2884-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2884	misid.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 2884	3220	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe	86
PID 3220 wrote to memory of 2884	3220	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe	86
PID 3220 wrote to memory of 2884	3220	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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
65KB

MD5
f8093eb3d0b96510259d418d98f1eacf

SHA1
d249f2e2e0921a7205c01903c697c006addb8eb8

SHA256
f2dd12f179ca13479aefdd0c69865a89204cb0697720815bd95f753b86929810

SHA512
24aad54437880e3acbda57306a36973559675a2e580c3094730aaf21a2d2a87de0967035775c6e108942e8a1e1f80794d08028d41829aa04a51c257ec3ce8d66

Download Submit
memory/2884-19-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/2884-22-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/2884-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3220-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3220-1-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3220-2-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3220-3-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/3220-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download