74e93cc6b272c923885a99e724c6f21cdcf0ef2d955884a93cd703747b21b335

Analysis

max time kernel
17s
max time network
142s
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, 06:40

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General

Target

2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe
Size

50KB
MD5

4b6bbd51490cefb107ff79fd82d0fae3
SHA1

221aa55036484707665aaf5269fef9dd3390c2e1
SHA256

74e93cc6b272c923885a99e724c6f21cdcf0ef2d955884a93cd703747b21b335
SHA512

ea0bea1876fdf226e6a2359bec0f68e6474640207ca4d92cb95cf9ed45aa089449c26b5a0113a90bfa9dbbb65c1e2597e4b90a020a4a1c34931f42e78d1c793c
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9m:bIDOw9a0DwitDZz5

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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5112	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 3692 wrote to memory of 5112	3692	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe	89
PID 3692 wrote to memory of 5112	3692	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe	89
PID 3692 wrote to memory of 5112	3692	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:5112

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
50KB

MD5
cb3ac27c633a24a1fd4cef3ed2c0bada

SHA1
04e2a0ad35504fa8e0fbd4f405e7d529f9163441

SHA256
ee6c8325ade28f4b9e5abccc835d4001d1edc0efc489f994fa416e26e38a159c

SHA512
a689829f289b626f090d17805cd00f43ca897a045391d65ace2d4df22691e6dbc8e2f6c913f2cb15ee56484c4ad34f56b702667a5a391782d9cd6cfb29329f96

Download Submit
memory/3692-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3692-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3692-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/5112-17-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/5112-19-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download