ee416ae983b8f67030caff584cac2786a82f82984fbe537112a7bb784bb34928

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 23:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-14_a3ea548b3b3a4fb20901a4d8071d92a5_cryptolocker.exe
Size

39KB
MD5

a3ea548b3b3a4fb20901a4d8071d92a5
SHA1

6b938e4a5e91116e51ef2e45660aa8f63c1ae083
SHA256

ee416ae983b8f67030caff584cac2786a82f82984fbe537112a7bb784bb34928
SHA512

530ad67b3f6e6ea7ba049d6e69415fdaee2c4ef792de6fbbb78e43a3618ae958fff69893645d76a9e12f99f4d13570e4b816c0213e088bf15846f683800f86e4
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITL:qDdFJy3QMOtEvwDpjjWMl7TL

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-14_a3ea548b3b3a4fb20901a4d8071d92a5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4176	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1868-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0033000000023b70-13.dat	upx
behavioral2/memory/1868-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/4176-27-0x0000000000500000-0x0000000000510000-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	2024-10-14_a3ea548b3b3a4fb20901a4d8071d92a5_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 1868 wrote to memory of 4176	1868	2024-10-14_a3ea548b3b3a4fb20901a4d8071d92a5_cryptolocker.exe	86
PID 1868 wrote to memory of 4176	1868	2024-10-14_a3ea548b3b3a4fb20901a4d8071d92a5_cryptolocker.exe	86
PID 1868 wrote to memory of 4176	1868	2024-10-14_a3ea548b3b3a4fb20901a4d8071d92a5_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-14_a3ea548b3b3a4fb20901a4d8071d92a5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_a3ea548b3b3a4fb20901a4d8071d92a5_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- 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:4176

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
40KB

MD5
e24ddaaae32b4db04f8de2610040cc1d

SHA1
d3df927f0671725e94b30f4249face27d5e31a93

SHA256
d962ff2368db4a271ae10786e8bc40cab501826bfc68ccf3f8a2af5b066a7fba

SHA512
75096c28193973298d931ace2b41f7d9a982db177627347bee860d1d7ab5961f1e811abc269d3778c546d98070a4d8ad18c27c2b62756a71f1934599106a89d6

Download Submit
memory/1868-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1868-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/1868-2-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/1868-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/1868-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4176-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4176-26-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4176-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download