28705e91123ce5eb062d48d40b90fa6666d93d4c774c1c90b126d4915061ebed

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 07:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.2023-09-07_5d7f6130b0435710302c339f1042e2b2_cryptolocker_JC.exe
Size

50KB
MD5

5d7f6130b0435710302c339f1042e2b2
SHA1

3afa8ac260d65dd5b62d3dc6bc38dd34b50d8697
SHA256

28705e91123ce5eb062d48d40b90fa6666d93d4c774c1c90b126d4915061ebed
SHA512

8366843c28228257835d0e3c9f20e559bc7a40ab5855e1e0018f44edd83158c3bd8f1b02d9ee33886026699b7de0477c10afad3ae93afc30a78002c82ec781f8
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9A:bIDOw9a0DwitDZzb

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-1-5-21-356073083-3299209671-3108880702-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-07_5d7f6130b0435710302c339f1042e2b2_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1060	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 3444 wrote to memory of 1060	3444	NEAS.2023-09-07_5d7f6130b0435710302c339f1042e2b2_cryptolocker_JC.exe	85
PID 3444 wrote to memory of 1060	3444	NEAS.2023-09-07_5d7f6130b0435710302c339f1042e2b2_cryptolocker_JC.exe	85
PID 3444 wrote to memory of 1060	3444	NEAS.2023-09-07_5d7f6130b0435710302c339f1042e2b2_cryptolocker_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-07_5d7f6130b0435710302c339f1042e2b2_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-07_5d7f6130b0435710302c339f1042e2b2_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1060

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

Loading Replay Monitor...

Downloads

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

Filesize
50KB

MD5
ba6a0e33850a37e503c756ca3d37e852

SHA1
b8da93cfa4f1213d2351edc1a6df0ce143fc797c

SHA256
b3e4f9c490fd1255656857a39462c271e52ddeb2c0dbb1004feed4c42a140f27

SHA512
b49726544bca849d3aea5f441b0d7348fc991699caa7d7fff5eb6ecfa5ff449dc1401f01a7b466cdb1a1d39ce4099cb4a72927ddcb1fd90e629e42737ade2ce2

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

Filesize
50KB

MD5
ba6a0e33850a37e503c756ca3d37e852

SHA1
b8da93cfa4f1213d2351edc1a6df0ce143fc797c

SHA256
b3e4f9c490fd1255656857a39462c271e52ddeb2c0dbb1004feed4c42a140f27

SHA512
b49726544bca849d3aea5f441b0d7348fc991699caa7d7fff5eb6ecfa5ff449dc1401f01a7b466cdb1a1d39ce4099cb4a72927ddcb1fd90e629e42737ade2ce2

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

Filesize
50KB

MD5
ba6a0e33850a37e503c756ca3d37e852

SHA1
b8da93cfa4f1213d2351edc1a6df0ce143fc797c

SHA256
b3e4f9c490fd1255656857a39462c271e52ddeb2c0dbb1004feed4c42a140f27

SHA512
b49726544bca849d3aea5f441b0d7348fc991699caa7d7fff5eb6ecfa5ff449dc1401f01a7b466cdb1a1d39ce4099cb4a72927ddcb1fd90e629e42737ade2ce2

Download Submit
memory/1060-18-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1060-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3444-0-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/3444-1-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download