840d6202cf4aef93eba58c8b14d15cc9684c0cc751b48d5ca4818e1acc893aaa

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 15:24

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General

Target

2024-10-12_fe07e41be3f6298c7febe3fb92468a83_cryptolocker.exe
Size

46KB
MD5

fe07e41be3f6298c7febe3fb92468a83
SHA1

8809be62857c5e92f45169be908f49378dead5a7
SHA256

840d6202cf4aef93eba58c8b14d15cc9684c0cc751b48d5ca4818e1acc893aaa
SHA512

aff241a0215301a731e49e5a0b955e86955ce81226d30809d4ca806f46e58672a975acd291b1ac99bf55d161d4fc5a0ed169159b8dd3045aa525cb4f9b6cbdcd
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+NKIF:bm74zYcgT/EkM0ryfjd3WKIF

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	2024-10-12_fe07e41be3f6298c7febe3fb92468a83_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4492	hasfj.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	2024-10-12_fe07e41be3f6298c7febe3fb92468a83_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 4492	2216	2024-10-12_fe07e41be3f6298c7febe3fb92468a83_cryptolocker.exe	85
PID 2216 wrote to memory of 4492	2216	2024-10-12_fe07e41be3f6298c7febe3fb92468a83_cryptolocker.exe	85
PID 2216 wrote to memory of 4492	2216	2024-10-12_fe07e41be3f6298c7febe3fb92468a83_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-12_fe07e41be3f6298c7febe3fb92468a83_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_fe07e41be3f6298c7febe3fb92468a83_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4492

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\hasfj.exe

Filesize
46KB

MD5
a75ee5636a1557e5e6614e41033cdeec

SHA1
011921c37c3205e5864c1b2c15e109dffa127b2b

SHA256
79875d02b376ee299679cb3fa3bffd303224a5ba09b947546c31faeca4327ef4

SHA512
32a2d5f8202a5713ae6ce7949ee7644ab39fef9050ab631c54927461137be195eecde4a52dbe0be662dd4f77dd6dfe14f73feb910232d2c9fe32bfe1d31583b1

Download Submit
memory/2216-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2216-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2216-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/2216-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/2216-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/4492-25-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/4492-19-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/4492-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download