fae168cf59025eb6a8291ff511b607cf4ebc0558905ae4446ea31da5ced54a3d

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 12:43

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General

Target

2024-08-14_7dde4a2cbe7344591798b033d4e0a699_cryptolocker.exe
Size

50KB
MD5

7dde4a2cbe7344591798b033d4e0a699
SHA1

f0094e25a3139a6842cad75607462bfdc318bf45
SHA256

fae168cf59025eb6a8291ff511b607cf4ebc0558905ae4446ea31da5ced54a3d
SHA512

55199c784937d5bfdcc36b3adabdfd8d2fe939ff8bbb486f3ec24e36d996039b827c3ca1cfe2c5277222e79b14c6ccb6d9bc589f3b4cca8aeab2f6e25932db04
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBC1SleKAP2o7kCLq:bIDOw9a0DwitDZ0leBZ7Pq

Score

7^/10

discovery

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-08-14_7dde4a2cbe7344591798b033d4e0a699_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3284	lossy.exe

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	2024-08-14_7dde4a2cbe7344591798b033d4e0a699_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 3284	4132	2024-08-14_7dde4a2cbe7344591798b033d4e0a699_cryptolocker.exe	85
PID 4132 wrote to memory of 3284	4132	2024-08-14_7dde4a2cbe7344591798b033d4e0a699_cryptolocker.exe	85
PID 4132 wrote to memory of 3284	4132	2024-08-14_7dde4a2cbe7344591798b033d4e0a699_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-08-14_7dde4a2cbe7344591798b033d4e0a699_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-14_7dde4a2cbe7344591798b033d4e0a699_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4132
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3284

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

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\lossy.exe

Filesize
50KB

MD5
d70ee783d758d22a008d36abbe316ab2

SHA1
c7c7dd6b26eb77af07b42e56a69f88da5a10b9f3

SHA256
426b21d2305a8460858c6889a3f7b3c933bc414111e3cd3d95887f1e2b06d003

SHA512
ffd6acf552c7d74a4f6ad2d53aa7f4c4855d97953fc3210bef7adbabc983847161bec778a02f865f883e26f5f91f033cdaf3e13c53023a0c8c1d6eae93d4e170

Download Submit
memory/3284-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3284-23-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/4132-0-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/4132-1-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/4132-2-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download