6153e82503bae60ec8f793f35caa8d2cae8257b1d282ca71f4bbc52f3762e1b1

Analysis

max time kernel
137s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 02:25

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General

Target

2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe
Size

63KB
MD5

02cd5424ca68f9a2899daa66464ec5eb
SHA1

de7b5e083c914a15f7dac63c20c6fc5fc4ee02f3
SHA256

6153e82503bae60ec8f793f35caa8d2cae8257b1d282ca71f4bbc52f3762e1b1
SHA512

4c6627f0f9f75a37a2c639c21e139d92621b8c6ecf3ffe109c5304416712d7dce519364331ce64997c44eb56dc17c7797c824c469998125c6214a21bafb0dbcd
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zf:0j+soPSMOtEvwDpjwizbR9Xwzf

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2024	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2348	2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2348-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0007000000012118-15.dat	upx
behavioral1/memory/2348-14-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2024-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2024-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2024	2348	2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe	30
PID 2348 wrote to memory of 2024	2348	2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe	30
PID 2348 wrote to memory of 2024	2348	2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe	30
PID 2348 wrote to memory of 2024	2348	2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-09_02cd5424ca68f9a2899daa66464ec5eb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
63KB

MD5
fa2428fc0608bf4b1bae6462ddb6d73e

SHA1
68573e7b7604fbd3915fe45eac3a05b2e0118e1c

SHA256
a937535f90476a3259642f816aef3191b5d85ba1ef8639f99769f860dcfd3326

SHA512
40ac18f57adf0bcb1e4c20821ee648ee4c149b66faa4673607d7dfa94375323d0bae95aad9e01f96a16fdb59ecf4d9c9317e628d955e789a1ab46b23bf7f5df9

Download Submit
memory/2024-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2024-25-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2024-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2348-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2348-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2348-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2348-9-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2348-14-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download