5363e30d18c5b3f0888763ce048fe62fac28d708680e02f4e0b0ae2a6c8d9670

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 18:44

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General

Target

2024-10-17_101716f85836618979a0b5ab58cd1f7d_cryptolocker.exe
Size

40KB
MD5

101716f85836618979a0b5ab58cd1f7d
SHA1

ca78a8886083ad2ed3e368ae325dbdd02a2dc8e8
SHA256

5363e30d18c5b3f0888763ce048fe62fac28d708680e02f4e0b0ae2a6c8d9670
SHA512

8309a6ab2e69772eb10e028a06a68cfcfe838a8729af615a397e9589d94b1501dcf34b6ec082a9c13ad3a6494f8dab98e3843b7db84ecdca8cf3129476933799
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB7:qDdFJy3QMOtEvwDpjjWMl7Tdt

Score

7^/10

discovery upx

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	2024-10-17_101716f85836618979a0b5ab58cd1f7d_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	asih.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2112-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000c000000023b3e-13.dat	upx
behavioral2/memory/2112-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/2252-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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	2024-10-17_101716f85836618979a0b5ab58cd1f7d_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 2112 wrote to memory of 2252	2112	2024-10-17_101716f85836618979a0b5ab58cd1f7d_cryptolocker.exe	84
PID 2112 wrote to memory of 2252	2112	2024-10-17_101716f85836618979a0b5ab58cd1f7d_cryptolocker.exe	84
PID 2112 wrote to memory of 2252	2112	2024-10-17_101716f85836618979a0b5ab58cd1f7d_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-17_101716f85836618979a0b5ab58cd1f7d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_101716f85836618979a0b5ab58cd1f7d_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- 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:2252

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
40KB

MD5
5cca79bd57d7d736546e1fa877be9f0a

SHA1
65d52c1949c051abc7cdd5bdba66c6d59c0d769a

SHA256
af2d4e2b0560152602eae460430cdc6002b91a428cb54d6a33262d413bc2a095

SHA512
855744030e7b1643320364da0d0cad99ca199176b3769959052baadd20b736b66f6a40b4a2398ca73851e143581243711364ea2386db2eeacb54a14f2d1ee726

Download Submit
memory/2112-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2112-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2112-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2112-3-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/2112-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2252-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2252-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2252-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download