da5a122c35442c8e031e4fb47746980c997d14201aebec2cc35e92515993248c

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 00:45

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General

Target

2024-10-18_a924b4ba5ee946fd368575e10c820c04_cryptolocker.exe
Size

48KB
MD5

a924b4ba5ee946fd368575e10c820c04
SHA1

f41ec2fd10c3c3e0068d60027fe085c49bd582fb
SHA256

da5a122c35442c8e031e4fb47746980c997d14201aebec2cc35e92515993248c
SHA512

cea067e171ac5279d9c45f3c2d36fcc10ca6356963b9491f95669959bceec1cb98e9c7b8d8d92c52198adbe04925438916e9dbeda8fccc8630566deb0eedce99
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTCFW0:X6QFElP6n+gJBMOtEvwDpjBtEf

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-10-18_a924b4ba5ee946fd368575e10c820c04_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4836	asih.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	2024-10-18_a924b4ba5ee946fd368575e10c820c04_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 4836	3136	2024-10-18_a924b4ba5ee946fd368575e10c820c04_cryptolocker.exe	84
PID 3136 wrote to memory of 4836	3136	2024-10-18_a924b4ba5ee946fd368575e10c820c04_cryptolocker.exe	84
PID 3136 wrote to memory of 4836	3136	2024-10-18_a924b4ba5ee946fd368575e10c820c04_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-18_a924b4ba5ee946fd368575e10c820c04_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_a924b4ba5ee946fd368575e10c820c04_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4836

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\asih.exe

Filesize
49KB

MD5
878fcedeb374da2ee706fd13600c2020

SHA1
154789fe54fede3c3c7cf5578c9ee2e105031dc9

SHA256
d8bfa56a7935c243fc213324acbdc46b16e9c27a87f48aac83c128949e73056c

SHA512
596b686841639932d7c8684ff1f8cabd09ceac43f3489581706eb76e529447d7ae588623cfc941255e52b74d3424dd4e501dac99bdd120bd16b0f14cd4781659

Download Submit
memory/3136-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3136-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3136-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/4836-17-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4836-18-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download