5e7fc32b402cc09bdfe06eb8075d752d4056d84c55211f15102b0905b49ba496

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2024 05:27

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General

Target

2024-09-15_0f666b714e6ded32b72e09cc3adede89_cryptolocker.exe
Size

72KB
MD5

0f666b714e6ded32b72e09cc3adede89
SHA1

b2bc612c5a1df8397ffd5b74a6c98166752ef439
SHA256

5e7fc32b402cc09bdfe06eb8075d752d4056d84c55211f15102b0905b49ba496
SHA512

abd8ece70ef7a65a24ba6354bf5ea479bbbd50ac2d25b48ce2f59cf3c5df038898c3d0bcb8dbe986b5b6bb8af8458e98703b560f2263eb25350497a504ac2c42
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO4:DW60sllyWOtEvwDpjwF85P

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-09-15_0f666b714e6ded32b72e09cc3adede89_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4796	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	2024-09-15_0f666b714e6ded32b72e09cc3adede89_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 4716 wrote to memory of 4796	4716	2024-09-15_0f666b714e6ded32b72e09cc3adede89_cryptolocker.exe	85
PID 4716 wrote to memory of 4796	4716	2024-09-15_0f666b714e6ded32b72e09cc3adede89_cryptolocker.exe	85
PID 4716 wrote to memory of 4796	4716	2024-09-15_0f666b714e6ded32b72e09cc3adede89_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-15_0f666b714e6ded32b72e09cc3adede89_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_0f666b714e6ded32b72e09cc3adede89_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4716
- 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:4796

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
72KB

MD5
3939eac28e0e8252598d89d59d775c13

SHA1
05941793ae8e088c4b4aa1e8222e0818f2c8d4a4

SHA256
066571c4eb89ff35534183ec5ce1ccd2c3ef21df870e1937541d344aa76913f4

SHA512
fe93f95a84fe71e193cd982daa1dca2abae65dc5c23988fd5dce33e782bd9511f2795da6932ebbfdf31f79ddd464dcfcd8d0fbd04f44c42a6bfe3d9404343fae

Download Submit
memory/4716-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4716-1-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4716-2-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4716-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/4716-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4796-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4796-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4796-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download