5afd3e1a283ad6a1e962abd8e09cf19d4a697b334802564de6fd2463de7ceb7b

Analysis

max time kernel
158s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 06:36

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General

Target

2024-01-08_11770ea84d8deeb10d50a501843f03ad_cryptolocker.exe
Size

40KB
MD5

11770ea84d8deeb10d50a501843f03ad
SHA1

2b8b51052093d45c725d0bcbd007c7ccd85cfff2
SHA256

5afd3e1a283ad6a1e962abd8e09cf19d4a697b334802564de6fd2463de7ceb7b
SHA512

78ba079b889ef0af1d03059d5ef0692dbeea3edc0b245f01431d12cdb61ce2700b87b26ae48668a0d0678a0a7a381aadf88fd10bea6b020e903c796b49cc422e
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6DyUZv:bIDOw9a0Dwo3P1ojvUSDhZv

Score

7^/10

Malware Config

Signatures

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-01-08_11770ea84d8deeb10d50a501843f03ad_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3616	lossy.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 1824 wrote to memory of 3616	1824	2024-01-08_11770ea84d8deeb10d50a501843f03ad_cryptolocker.exe	90
PID 1824 wrote to memory of 3616	1824	2024-01-08_11770ea84d8deeb10d50a501843f03ad_cryptolocker.exe	90
PID 1824 wrote to memory of 3616	1824	2024-01-08_11770ea84d8deeb10d50a501843f03ad_cryptolocker.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-01-08_11770ea84d8deeb10d50a501843f03ad_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_11770ea84d8deeb10d50a501843f03ad_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:3616

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

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Downloads

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

Filesize
40KB

MD5
9c10d88d83715af05548ae8045c113be

SHA1
63d9034be0ec84c9fcc824885ff2b4bd6cba4c93

SHA256
b55bd66187554241ed3b6a64f425caa8c5fc804d5f591e947d0cd88754b99623

SHA512
fe398a5f6b23ade72e61f262c7c4f6afefa1d6bef86c45a77ef2746172a819b7114dcb00a7f57d5e646c86b4569f525eeb566b4063017426095d01bfc4109866

Download Submit
memory/1824-0-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/1824-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/1824-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/3616-17-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/3616-23-0x0000000002040000-0x0000000002046000-memory.dmp

Filesize
24KB

Download