00dee7ecf51dfc982d05a9d87fb2d8b6936c5f622f98d3b7a284f0e4fda15124

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-02-2024 21:35

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General

Target

2024-02-21_a85dd98bedaa71bd00afe0bdf6d49b60_cryptolocker.exe
Size

125KB
MD5

a85dd98bedaa71bd00afe0bdf6d49b60
SHA1

706327ac8ad00c4f2a36cea600f0b614d14c40c6
SHA256

00dee7ecf51dfc982d05a9d87fb2d8b6936c5f622f98d3b7a284f0e4fda15124
SHA512

506fc2d63b01dcfa5c90e0da95ebcdc75445419a2b338e3cf2398ff2c4c0bdcdc8cf2bceec4d8a6a91d3b4c149d3b5ea25b1f32ac63a27d148ba4f2f5a815405
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBxn:vCA9OtEvwDpjT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2892	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2764	2024-02-21_a85dd98bedaa71bd00afe0bdf6d49b60_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 2764 wrote to memory of 2892	2764	2024-02-21_a85dd98bedaa71bd00afe0bdf6d49b60_cryptolocker.exe	28
PID 2764 wrote to memory of 2892	2764	2024-02-21_a85dd98bedaa71bd00afe0bdf6d49b60_cryptolocker.exe	28
PID 2764 wrote to memory of 2892	2764	2024-02-21_a85dd98bedaa71bd00afe0bdf6d49b60_cryptolocker.exe	28
PID 2764 wrote to memory of 2892	2764	2024-02-21_a85dd98bedaa71bd00afe0bdf6d49b60_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_a85dd98bedaa71bd00afe0bdf6d49b60_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_a85dd98bedaa71bd00afe0bdf6d49b60_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2892

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
b51ba630148d1ffc27119eb7b0352922

SHA1
a8a1c21d903c75b890df3be95b9943ece19676cf

SHA256
8bfb2fe72dba9807b512615dd4a42aeb0cdd3bb8967c5cac6d4352179ad3122a

SHA512
1e959b6a38d654dbcce7e30b1d8308dbedb400191c3e20c99eafe901d32df253c664d46c0b6db58f223e361ba4fdc72204bc12e3fdda90bec5c7760fe9307218

Download Submit
memory/2764-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2764-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2764-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2892-16-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2892-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download