23d682e61ebc40cb7148d9740e3bce434c37d50e99af0dec1f0d36d1ed4feb16

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 20:05

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General

Target

2024-02-21_f3720cbe274bc3bba60c34e1329be3ac_cryptolocker.exe
Size

45KB
MD5

f3720cbe274bc3bba60c34e1329be3ac
SHA1

c837bfb4110f1b01b9ed0427df4c10d2dcedb86a
SHA256

23d682e61ebc40cb7148d9740e3bce434c37d50e99af0dec1f0d36d1ed4feb16
SHA512

d7fb066a37877e97311aac95fde06f91ffc9ef2abbdd2f2d50144ad5e6a180edd04fe8973dd81a23fcb449e322ee5cda59e3fc8be29d40223fa57213e6731b57
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1wsJ:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1n

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224d-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1796	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	2024-02-21_f3720cbe274bc3bba60c34e1329be3ac_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 2912 wrote to memory of 1796	2912	2024-02-21_f3720cbe274bc3bba60c34e1329be3ac_cryptolocker.exe	28
PID 2912 wrote to memory of 1796	2912	2024-02-21_f3720cbe274bc3bba60c34e1329be3ac_cryptolocker.exe	28
PID 2912 wrote to memory of 1796	2912	2024-02-21_f3720cbe274bc3bba60c34e1329be3ac_cryptolocker.exe	28
PID 2912 wrote to memory of 1796	2912	2024-02-21_f3720cbe274bc3bba60c34e1329be3ac_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_f3720cbe274bc3bba60c34e1329be3ac_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_f3720cbe274bc3bba60c34e1329be3ac_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1796

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
46KB

MD5
d34602748ffc333d0bd28a31fde2432b

SHA1
d80de62dc86bb7fef620c2e4574be44b7d6d04b2

SHA256
449744ea99e89e7f3fee98f2a34310d24c31cf5ace31086d69249ba746f8af8f

SHA512
433af1f088f03807bdaa4f13873da2b82a79361383e6fd589660328e3311f9f5504baf9c5d2350903833cb71c6c4236397e51c988f32e49efe9856e09c7cb94e

Download Submit
memory/1796-16-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/1796-19-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2912-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2912-8-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2912-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2912-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download