d6a4c07a1d45ea9464f994179907ad10f99db0535f6fa3424d4fbf00059c9621

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-05_a0daa947a8d1f824a42039864a9f34c6_cryptolocker.exe
Size

66KB
MD5

a0daa947a8d1f824a42039864a9f34c6
SHA1

6b21f0a44e2b51fab8ae5ab43b94e80c805baa23
SHA256

d6a4c07a1d45ea9464f994179907ad10f99db0535f6fa3424d4fbf00059c9621
SHA512

56392fa35fb87c9493c84fc77db5cf994ae5c19ca340d540e33559c02205f3546f0b51bce3afd1f132e64c7014fddc3580655c73780b1f5467ffefaa78ce47db
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsi4n:BbdDmjr+OtEvwDpjM8h

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2024-09-05_a0daa947a8d1f824a42039864a9f34c6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3348	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	2024-09-05_a0daa947a8d1f824a42039864a9f34c6_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 4656 wrote to memory of 3348	4656	2024-09-05_a0daa947a8d1f824a42039864a9f34c6_cryptolocker.exe	85
PID 4656 wrote to memory of 3348	4656	2024-09-05_a0daa947a8d1f824a42039864a9f34c6_cryptolocker.exe	85
PID 4656 wrote to memory of 3348	4656	2024-09-05_a0daa947a8d1f824a42039864a9f34c6_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-05_a0daa947a8d1f824a42039864a9f34c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_a0daa947a8d1f824a42039864a9f34c6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4656
- 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:3348

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

Loading Replay Monitor...

Downloads

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

Filesize
66KB

MD5
00caadadc36a4b1a24fc6cb3dc192bf4

SHA1
b8301c2ba546328bc43ee991be75ef253bf6e116

SHA256
07715001914fb1e3a5d7d2a24aa7bd2306f88bcee8073d3c287b7e70d6b51dd6

SHA512
e27ff7cd336907768c50883ff854f7155bab325ee176904e0c91af9a8ee605ce2beb194191534aa1b1fbc179331750ceb729746878aa7846444965f76e9de442

Download Submit
memory/3348-21-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3348-20-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3348-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4656-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4656-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4656-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4656-3-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/4656-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download