cf9eb21ce795335f7e299022d97f812de2143b105fb14e4a4b69a82ed7b3f480

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 07:22

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General

Target

2024-02-14_083caa9fbb428d508f35048f0b52741f_cryptolocker.exe
Size

126KB
MD5

083caa9fbb428d508f35048f0b52741f
SHA1

4bd4f1c08e3f76fdc6929ba8eb75f706722cbc3f
SHA256

cf9eb21ce795335f7e299022d97f812de2143b105fb14e4a4b69a82ed7b3f480
SHA512

52475f88c7df120f2bacf2eb128bc18787e66e1a75d4d38b927b5203f75e81899c26704aea60e2116208df934aa78dc942d400a90c72f3dc84cbc8d6190c0abf
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpR/gk:vCA9OtEvwDpjZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000000e610-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000000e610-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3020	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2948	2024-02-14_083caa9fbb428d508f35048f0b52741f_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 2948 wrote to memory of 3020	2948	2024-02-14_083caa9fbb428d508f35048f0b52741f_cryptolocker.exe	28
PID 2948 wrote to memory of 3020	2948	2024-02-14_083caa9fbb428d508f35048f0b52741f_cryptolocker.exe	28
PID 2948 wrote to memory of 3020	2948	2024-02-14_083caa9fbb428d508f35048f0b52741f_cryptolocker.exe	28
PID 2948 wrote to memory of 3020	2948	2024-02-14_083caa9fbb428d508f35048f0b52741f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_083caa9fbb428d508f35048f0b52741f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_083caa9fbb428d508f35048f0b52741f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3020

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
126KB

MD5
61d31c60a099d4ef21ee70458f98e927

SHA1
0c9c58daabdb574ecd6f202d6550ddbfbece3668

SHA256
cae7e9f962d4045f739c50de7b41f7e706ab8d2a73404d21392d31b16396ead7

SHA512
61e7229821f9bd73d2570b4b97f87943e5579fc3c7d6efe16548fa6ce6ca9bb1efe3cfa24f89660b4d362a45606a2286de057550595b5be4f7171d1fd856aa26

Download Submit
memory/2948-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2948-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2948-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3020-15-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/3020-17-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download