974b2bc29dbbe99284f459f697117aa5b229aa0059dc56e0026c021d38fd7859

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 22:29

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General

Target

2024-01-18_1ae5adfff4f95e67a9ac26d4eba07a3e_cryptolocker.exe
Size

74KB
MD5

1ae5adfff4f95e67a9ac26d4eba07a3e
SHA1

5f715700aad374d926ed6b2b3d7a45c76d1ae4c5
SHA256

974b2bc29dbbe99284f459f697117aa5b229aa0059dc56e0026c021d38fd7859
SHA512

ad4306d02a717edd271bf160b4156b7e3f3ab99fb8edcc0bcad08273015de6a67504647921a3a66f32b5446e8b293c9a50de75039ac0789b3b2899c2d5709b84
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KuA50:ZVxkGOtEvwDpjca7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000139b6-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1872	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3032	2024-01-18_1ae5adfff4f95e67a9ac26d4eba07a3e_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1872	3032	2024-01-18_1ae5adfff4f95e67a9ac26d4eba07a3e_cryptolocker.exe	28
PID 3032 wrote to memory of 1872	3032	2024-01-18_1ae5adfff4f95e67a9ac26d4eba07a3e_cryptolocker.exe	28
PID 3032 wrote to memory of 1872	3032	2024-01-18_1ae5adfff4f95e67a9ac26d4eba07a3e_cryptolocker.exe	28
PID 3032 wrote to memory of 1872	3032	2024-01-18_1ae5adfff4f95e67a9ac26d4eba07a3e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_1ae5adfff4f95e67a9ac26d4eba07a3e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_1ae5adfff4f95e67a9ac26d4eba07a3e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
74KB

MD5
44c5d1277285b78918d7451bdb0d0531

SHA1
23c116e56f7739dce904c6c2af5ceb1e0a205309

SHA256
3e4fedeb4f7e5fb4360543fdebbbb43cba61191a15cc472d81f2b4ca82de25ce

SHA512
c349ba1c8b80cbdee357fe53650f18c0c2e85e820580a2a1cfa5dad4ed7f7fabc5f397c5a4ae309d672d3c50f383ed40d25569220abb254208293dbbff8654d2

Download Submit
memory/1872-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1872-17-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1872-20-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3032-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3032-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3032-2-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3032-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download