6853850a68106958b35ac40c8b7bfbc51e7692df40f1e6298c07b91c443c47a4

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 06:29

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General

Target

2024-03-12_59ec550a115d6430097d1e227ebe8d97_cryptolocker.exe
Size

89KB
MD5

59ec550a115d6430097d1e227ebe8d97
SHA1

d6d799e492962eb783b0958917345fa235a75e39
SHA256

6853850a68106958b35ac40c8b7bfbc51e7692df40f1e6298c07b91c443c47a4
SHA512

ad2650b630ae2136b3d74529525f9d1826b2e55efbca4707864b76d45ac7a2395a9ef52553b76186e166a1bb1829ae3fc1c9fae3bd450fcbc7557abcc2e74b7f
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQYzTH:vCjsIOtEvwDpj5H8zPs6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012256-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012256-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2068	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2160	2024-03-12_59ec550a115d6430097d1e227ebe8d97_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 2160 wrote to memory of 2068	2160	2024-03-12_59ec550a115d6430097d1e227ebe8d97_cryptolocker.exe	28
PID 2160 wrote to memory of 2068	2160	2024-03-12_59ec550a115d6430097d1e227ebe8d97_cryptolocker.exe	28
PID 2160 wrote to memory of 2068	2160	2024-03-12_59ec550a115d6430097d1e227ebe8d97_cryptolocker.exe	28
PID 2160 wrote to memory of 2068	2160	2024-03-12_59ec550a115d6430097d1e227ebe8d97_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_59ec550a115d6430097d1e227ebe8d97_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_59ec550a115d6430097d1e227ebe8d97_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2068

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
89KB

MD5
a5734a5e3b5afc5ccc90b263f6f316b1

SHA1
9f77003b0e2fc78d8a5aa485e387286ccc971ed1

SHA256
d5f2da7ff03681abc411e8a1b8c67811ad3a7a58e527fb0e003b536f2ea99ad9

SHA512
d9d70eefca72a5f8e588bc67af333b298a16610049c948142a41ce22176eba5283f90733772918e9de230962a98e5aecd12e84ca5c63c58a6baaff120a886475

Download Submit
memory/2068-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2068-15-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2160-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2160-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2160-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download