4a703a8a0b0ada1d27edd9a00fe9828b5e3fd7174687573b8978458b6fbf4773

Analysis

max time kernel
136s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 04:00

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General

Target

2024-03-08_e736fdc4b76182f722ee30fca9419997_cryptolocker.exe
Size

34KB
MD5

e736fdc4b76182f722ee30fca9419997
SHA1

c65e25134b5e9e8c001bf1372a5da3ee025928a5
SHA256

4a703a8a0b0ada1d27edd9a00fe9828b5e3fd7174687573b8978458b6fbf4773
SHA512

09738f9027f58dbe1efd6e0c94cbd48d307385c7c5f54a5d8f7a92a6112a8d8ca7a4d5652e75a7658614204cbd20dabbfbe4e9ff328f3ea2fa78b54801bb7607
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4s:fT+hsMQMOtEvwDpjoIHs

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122d9-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122d9-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2920	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2500	2024-03-08_e736fdc4b76182f722ee30fca9419997_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 2500 wrote to memory of 2920	2500	2024-03-08_e736fdc4b76182f722ee30fca9419997_cryptolocker.exe	28
PID 2500 wrote to memory of 2920	2500	2024-03-08_e736fdc4b76182f722ee30fca9419997_cryptolocker.exe	28
PID 2500 wrote to memory of 2920	2500	2024-03-08_e736fdc4b76182f722ee30fca9419997_cryptolocker.exe	28
PID 2500 wrote to memory of 2920	2500	2024-03-08_e736fdc4b76182f722ee30fca9419997_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_e736fdc4b76182f722ee30fca9419997_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_e736fdc4b76182f722ee30fca9419997_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2920

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
34KB

MD5
80c3b8471b228d724e2497a7f59ae67a

SHA1
bbaa3b62a2e26a0389ca1eecb36f031638efc1c6

SHA256
2cb6aadec7a1d9110dbd50e20740ca1619bbe474d05da7a2a3b9c3a41a47cc26

SHA512
d7b74257d94c86e990d1ccf68ce573ac88d5580d558f525874b880018f99c09dace9eda01599eb1f77245df6555706a924a1f03f555967bbce46be7eb45031d1

Download Submit
memory/2500-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2500-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2500-2-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2920-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download