a8e496f7a9ca7d01b2d41913f436a3cfa1c3845fe65d2987c11bd0a6aed5f4a6

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 21:25

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-06-11_dda5d9229b3b831a2d15b27b42468cd7_cryptolocker.exe
Size

38KB
MD5

dda5d9229b3b831a2d15b27b42468cd7
SHA1

e5911375f6d7c4dde2199b3992ccfd522a89b88a
SHA256

a8e496f7a9ca7d01b2d41913f436a3cfa1c3845fe65d2987c11bd0a6aed5f4a6
SHA512

b05842d59d32af702df6a3bd395e01dbe77cc3132c0e2b32610b2b13993b7ac8c9c056e69836c179f000832eb3236c797e49a7c75e70eb9fa62f8fe9a1d77828
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qnpX7:fT+hsMQMOtEvwDpjoIHG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000002326f-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000002326f-12.dat	CryptoLocker_set1

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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	2024-06-11_dda5d9229b3b831a2d15b27b42468cd7_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4900	misid.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 4900	4792	2024-06-11_dda5d9229b3b831a2d15b27b42468cd7_cryptolocker.exe	81
PID 4792 wrote to memory of 4900	4792	2024-06-11_dda5d9229b3b831a2d15b27b42468cd7_cryptolocker.exe	81
PID 4792 wrote to memory of 4900	4792	2024-06-11_dda5d9229b3b831a2d15b27b42468cd7_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-06-11_dda5d9229b3b831a2d15b27b42468cd7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_dda5d9229b3b831a2d15b27b42468cd7_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4900

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
39KB

MD5
9befbecb63a56a30711dc092ad47ca5f

SHA1
fddfe2d78f3665cfa944e6a3b695feaa2f257c23

SHA256
1c16091f15e69497bbae387b0a5924fbe08ccd3f56636f6009861bbdd029ce06

SHA512
3385760d19f05fe491cf4e9ec60209845201b2cc7dd20118f4306ed99d171ea0ad4dec31f8ef95603647ddfad312dde9d89bfd896414132bde5ba6d1f3fab7fd

Download Submit
memory/4792-0-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4792-1-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4792-8-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4900-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4900-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download