5e6e743a95719e148754c14fc078966b78b0729c47be5eef914066d62ce4041b

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 05:35

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General

Target

2024-09-12_b39a79fbb19c9d9cc405896c7f9a0558_cryptolocker.exe
Size

43KB
MD5

b39a79fbb19c9d9cc405896c7f9a0558
SHA1

2c2f49f22edb9fdab3eacda6e5e4bdeda1a40f4f
SHA256

5e6e743a95719e148754c14fc078966b78b0729c47be5eef914066d62ce4041b
SHA512

df93c8c6f2b0d694d96f0b7ee0ac1a16c76527469064787bd6acf38be255269d5eaa3c4db966b4445dba7e86497a682b225ff0ce452fc5f4c52d86802f660214
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TJ:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLJ

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-09-12_b39a79fbb19c9d9cc405896c7f9a0558_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
804	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	2024-09-12_b39a79fbb19c9d9cc405896c7f9a0558_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 4420 wrote to memory of 804	4420	2024-09-12_b39a79fbb19c9d9cc405896c7f9a0558_cryptolocker.exe	84
PID 4420 wrote to memory of 804	4420	2024-09-12_b39a79fbb19c9d9cc405896c7f9a0558_cryptolocker.exe	84
PID 4420 wrote to memory of 804	4420	2024-09-12_b39a79fbb19c9d9cc405896c7f9a0558_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_b39a79fbb19c9d9cc405896c7f9a0558_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_b39a79fbb19c9d9cc405896c7f9a0558_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4420
- 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:804

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
44KB

MD5
ea6175328d026450ec7d951acb00a57b

SHA1
dbbe4a929269845e88976f5da50b5fe57736163b

SHA256
9d99835c8162d3478f29ed1c4fbaa0435e5a25cbaaaf5c13a3a78f93b72bc3c0

SHA512
d0f97eabc797d6f5d7dddc5a71469d33a3d84ca15349597a819f7eb3e789fe709e7951c72328ac00b89f8795b54b591bfe189b377e6774ac3e3189180597aa14

Download Submit
memory/804-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/804-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/804-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4420-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4420-1-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/4420-2-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/4420-3-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/4420-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download