974d8c2ec3af08a832276fd45d2faa867c7ab0829e4d3f9a2a1b0bec84258c5e

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 03:39

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General

Target

2024-10-14_89360d9558405c6db9ac1e7ce35ff6dc_cryptolocker.exe
Size

75KB
MD5

89360d9558405c6db9ac1e7ce35ff6dc
SHA1

b04120f57480c4e39afe618504132642dd845d97
SHA256

974d8c2ec3af08a832276fd45d2faa867c7ab0829e4d3f9a2a1b0bec84258c5e
SHA512

b64efe9eb0940a33b94a949049092aacdf367d2a976746b9d46f2618fdde9757e2bc9474ce5aa7241dd6224071044503dd773066122aa5db9c8b42377acfbe81
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsrr:u6QFElP6n+gWMOtEvwDpjJGYQbrr

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	2024-10-14_89360d9558405c6db9ac1e7ce35ff6dc_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5076	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	2024-10-14_89360d9558405c6db9ac1e7ce35ff6dc_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 2304 wrote to memory of 5076	2304	2024-10-14_89360d9558405c6db9ac1e7ce35ff6dc_cryptolocker.exe	87
PID 2304 wrote to memory of 5076	2304	2024-10-14_89360d9558405c6db9ac1e7ce35ff6dc_cryptolocker.exe	87
PID 2304 wrote to memory of 5076	2304	2024-10-14_89360d9558405c6db9ac1e7ce35ff6dc_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-10-14_89360d9558405c6db9ac1e7ce35ff6dc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_89360d9558405c6db9ac1e7ce35ff6dc_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- 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:5076

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
75KB

MD5
3f6d2a2175680d83671cd8aaabc35053

SHA1
95a69e7e6cdf881e71396f3c9ba295629cbba143

SHA256
900ec99564474dfab9fef468132b761ffa53cfba4169c041ced32e986c3044e8

SHA512
30f46ba52071e245096b504b268604029f275546aaba6782316d13c123bb429f7c61bbca976eed9f38d3282482c71f881725965e61fdc0f8b572b9d0e1870f57

Download Submit
memory/2304-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2304-1-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2304-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/5076-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/5076-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download