6b04e1b3067821a0087898f78ca0b425d625927b7befe013d43cecfa1c518328

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 04:00

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General

Target

2024-05-10_9afa0602801c2b33aa4c75cd32cacf4f_cryptolocker.exe
Size

34KB
MD5

9afa0602801c2b33aa4c75cd32cacf4f
SHA1

faa8f8ae4ee4177ec647aff1106f1589c2447eae
SHA256

6b04e1b3067821a0087898f78ca0b425d625927b7befe013d43cecfa1c518328
SHA512

3838243d2ff29c88712d64589f3a573d76c015ff62fc2e485c196db996a96a14c3b392ed6b1fdfbe92fd672ab47bb9b5f83a8925ca16b37bb48138fa4ad00488
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos55:bxNrC7kYo1Fxf2rYl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023306-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	2024-05-10_9afa0602801c2b33aa4c75cd32cacf4f_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	pissa.exe

Executes dropped EXE 1 IoCs

pid	Process
1948	pissa.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 112 wrote to memory of 1948	112	2024-05-10_9afa0602801c2b33aa4c75cd32cacf4f_cryptolocker.exe	83
PID 112 wrote to memory of 1948	112	2024-05-10_9afa0602801c2b33aa4c75cd32cacf4f_cryptolocker.exe	83
PID 112 wrote to memory of 1948	112	2024-05-10_9afa0602801c2b33aa4c75cd32cacf4f_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-05-10_9afa0602801c2b33aa4c75cd32cacf4f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-10_9afa0602801c2b33aa4c75cd32cacf4f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:112
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:1948

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\pissa.exe

Filesize
34KB

MD5
fd2db1dece65a3e02f1045fae1ae29bc

SHA1
f7bfd08568e6444c57b1ea541720302dc2f260b6

SHA256
28868c82db73a5b6b5e8a5862a47522d40299b4d5c31169c74cd3f2f105318a4

SHA512
20ce302a188887e2d0376414706de0cdb2319539b8590d14ec1177370fa1026ff13ef44b0ee5203a7ff044d73e3c09e3c31e30eaec73c49682a5b68268468cdd

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

Filesize
261B

MD5
11bed1c06d8f4680de5154405be20365

SHA1
9c3095f1aa0b02924c23592d1e86673bb0081ca1

SHA256
bcc0582f122db6e61d2aa06628275f5b882c01ca037699427d0f68e48d744666

SHA512
050bb38ff33ab7e8e8aa647cffb26d2b0a54074340e79f0acf0db8f076c421505f1e4c1ce169d55aeacd4085ce258a78d24327c9393650642963beb130517da8

Download Submit
memory/112-0-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/112-1-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/112-8-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/1948-17-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/1948-23-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download