2c446cd16476eb13f48107361897393e7aa50387ec39c0d9f48a85257a0a867d

Analysis

max time kernel
139s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/02/2024, 12:24

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General

Target

2024-02-18_0a168fdd9ddd32b44464e504f9658269_cryptolocker.exe
Size

53KB
MD5

0a168fdd9ddd32b44464e504f9658269
SHA1

2fe998a287ee68899895814e889f53580516d5e7
SHA256

2c446cd16476eb13f48107361897393e7aa50387ec39c0d9f48a85257a0a867d
SHA512

3c90556d7128bec8d730dd9f6fa98ef47ed2bc468c02d327faf0ba64df74f2fff1eb04eea4ea76dd39d26d53a89e372b67d0cae5778c870405be4995a648f180
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb8I:bIDOw9a0DwitDZzcTJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023124-12.dat	CryptoLocker_rule2

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	2024-02-18_0a168fdd9ddd32b44464e504f9658269_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1756	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 1092 wrote to memory of 1756	1092	2024-02-18_0a168fdd9ddd32b44464e504f9658269_cryptolocker.exe	84
PID 1092 wrote to memory of 1756	1092	2024-02-18_0a168fdd9ddd32b44464e504f9658269_cryptolocker.exe	84
PID 1092 wrote to memory of 1756	1092	2024-02-18_0a168fdd9ddd32b44464e504f9658269_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-18_0a168fdd9ddd32b44464e504f9658269_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_0a168fdd9ddd32b44464e504f9658269_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1756

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
53KB

MD5
65614c42a06c280d490940c76ed47335

SHA1
7ee5eb9194895a0cbe608927b62c3e340756fbf1

SHA256
73703db978d34940e111c2b48d2ec2e60b24bd447060f240bfbbcddb8cb4b6f1

SHA512
9ef823c4969c98625697972e071ab362dcbcac01abb9baf207c8cc69d1a1fa62c07d54f11f9efe94b80d3c0c7eeeda4dcf7ddc5d1ff7d09cf585baa1c1eb0038

Download Submit
memory/1092-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1092-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1092-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1756-23-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1756-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download