a6ac66585e65948d1ffb2482d8dab3bbccb4055d60970a196b616fb38375dd7b

Analysis

max time kernel
90s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 20:27

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General

Target

2024-02-12_72a53cb681a1cc4d9d1e55903353e154_cryptolocker.exe
Size

59KB
MD5

72a53cb681a1cc4d9d1e55903353e154
SHA1

0f3e3cba4cf77788a1863e41d579e5dadcfa5007
SHA256

a6ac66585e65948d1ffb2482d8dab3bbccb4055d60970a196b616fb38375dd7b
SHA512

1e893b8f21d4d47c73756a11a3c56c61d236a4d699e3aef6cd144f2bed73662a4e471d0c0d08fccd70307ec55bcbe97536735e9edd42b8b25eb16963c4119092
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lBOZ:ZVxkGOtEvwDpjd

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000f000000023124-13.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 2 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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-02-12_72a53cb681a1cc4d9d1e55903353e154_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
348	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 3184 wrote to memory of 348	3184	2024-02-12_72a53cb681a1cc4d9d1e55903353e154_cryptolocker.exe	85
PID 3184 wrote to memory of 348	3184	2024-02-12_72a53cb681a1cc4d9d1e55903353e154_cryptolocker.exe	85
PID 3184 wrote to memory of 348	3184	2024-02-12_72a53cb681a1cc4d9d1e55903353e154_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-02-12_72a53cb681a1cc4d9d1e55903353e154_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_72a53cb681a1cc4d9d1e55903353e154_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:348

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

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Downloads

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

Filesize
59KB

MD5
70bc2484ba5529f5edb450ee7e6147d2

SHA1
62b80b8c29ce02584c57af3995147647519f0765

SHA256
f52a5660722cd0a920ec467b2e0485963d2276d19f30cbe50fa40e39de58ba09

SHA512
8d704ae79be85d49413ad1dd8ccab2781f9c921b413633841112fa7aa7c886a2ae4a3b8f4cea2974d379ae9af9c91e548eb442dede97740bf9e0a2caae6b1f23

Download Submit
memory/348-19-0x0000000000460000-0x00000000004A0000-memory.dmp

Filesize
256KB

Download
memory/348-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/348-22-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3184-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/3184-1-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/3184-2-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/3184-3-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3184-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download