be1049af5e2b53fc0cf979e30f1e77f9a9ee1872b3635aae755bc9566bd9169e

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 14:24

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General

Target

2024-08-17_732d70cd72b216a3dd4d3e586ca2cf48_cryptolocker.exe
Size

73KB
MD5

732d70cd72b216a3dd4d3e586ca2cf48
SHA1

cb387d8b631587b084551d776b5c35eb7615cfd6
SHA256

be1049af5e2b53fc0cf979e30f1e77f9a9ee1872b3635aae755bc9566bd9169e
SHA512

4e97e2d9f5a0873dd6e2db5ef90c4474a7d0c92ade85be81300643d09f45b142cfe8579f9fb24cf060d87d4f06714d916a984a9281cee19afae39dd313f551ee
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOQ2r:DW60sllyWOtEvwDpjwF85u

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-08-17_732d70cd72b216a3dd4d3e586ca2cf48_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	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	2024-08-17_732d70cd72b216a3dd4d3e586ca2cf48_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 4720 wrote to memory of 2196	4720	2024-08-17_732d70cd72b216a3dd4d3e586ca2cf48_cryptolocker.exe	84
PID 4720 wrote to memory of 2196	4720	2024-08-17_732d70cd72b216a3dd4d3e586ca2cf48_cryptolocker.exe	84
PID 4720 wrote to memory of 2196	4720	2024-08-17_732d70cd72b216a3dd4d3e586ca2cf48_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-08-17_732d70cd72b216a3dd4d3e586ca2cf48_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-17_732d70cd72b216a3dd4d3e586ca2cf48_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4720
- 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:2196

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

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Downloads

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

Filesize
73KB

MD5
11e591ebfc9de2514138e63fa72d774f

SHA1
bae6d0f12a3effde018fdf5bdea79060609087af

SHA256
513e04a9170db306f37f8193d4ae9185a91d83ac4e7d867721fd12a0e3527409

SHA512
11878238c9341ea3fc42941a3fa0cb041a2112e9e53dc6cd1bbb053c3fe02beafe39d68aa2714dfb97c51c78338a4c1ed141a8a49659507e19aa994fe64ec68f

Download Submit
memory/2196-19-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/2196-25-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2196-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4720-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4720-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4720-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4720-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4720-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download