9263905bd92fed29dac6be2445f72190c1004bc634921c82115f1a9a53551801

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 01:43

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General

Target

2024-01-28_24c967d78f3e74bba553445d6b720c9d_cryptolocker.exe
Size

124KB
MD5

24c967d78f3e74bba553445d6b720c9d
SHA1

112d027ad72e31564ffca70ac4f81df98f9ccab6
SHA256

9263905bd92fed29dac6be2445f72190c1004bc634921c82115f1a9a53551801
SHA512

0733d40f1d42a93a02be14035e0edaddb820c2f0115d66b6e520d141a2bde5b3dc25399bf017cc0341376545f11baaf883575955a16ec324b1fa8021f909dd1d
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpa:vCA9OtEvwDpje

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2116	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3032	2024-01-28_24c967d78f3e74bba553445d6b720c9d_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 2116	3032	2024-01-28_24c967d78f3e74bba553445d6b720c9d_cryptolocker.exe	28
PID 3032 wrote to memory of 2116	3032	2024-01-28_24c967d78f3e74bba553445d6b720c9d_cryptolocker.exe	28
PID 3032 wrote to memory of 2116	3032	2024-01-28_24c967d78f3e74bba553445d6b720c9d_cryptolocker.exe	28
PID 3032 wrote to memory of 2116	3032	2024-01-28_24c967d78f3e74bba553445d6b720c9d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_24c967d78f3e74bba553445d6b720c9d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_24c967d78f3e74bba553445d6b720c9d_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:2116

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
125KB

MD5
d7bb0b1879ef6517b1b0c123528a0b56

SHA1
73e24882b5a5656fb8381751e2247845794738aa

SHA256
411b4719f8ba29bb878f20ebe760da0fc33c33eb19799c9062438978efa6e5d0

SHA512
a96839e2288345e759a323809ac80695b33ca180f61d2bd9cb83f147b6eb8881c82b860c374deadcb11aab4c3c929deda4c014f9c54441c851ee6b8401af2d7f

Download Submit
memory/2116-15-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2116-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/3032-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3032-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download