e8f07108a08e4a6e68eb29cc45c12354ffeac1206d590dca4aeaed3546e59bc0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 09:46

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General

Target

2024-02-24_a7bbefe973f3a86d80b5211481a32adc_cryptolocker.exe
Size

78KB
MD5

a7bbefe973f3a86d80b5211481a32adc
SHA1

8bec3fcf421b5ea32cb2330934a23e932065b90b
SHA256

e8f07108a08e4a6e68eb29cc45c12354ffeac1206d590dca4aeaed3546e59bc0
SHA512

8b9b7bdf7d05449630b2fccd1b8eab7c23cfc606ffa8f9b77339a88ecb9fc14a61377e500e94b8440fe7a29c5e20c9734e9f46af986324ab0e816f4fc30effe7
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuf7W:vCjsIOtEvwDpj5H9YvQd2O

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3004	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1660	2024-02-24_a7bbefe973f3a86d80b5211481a32adc_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 1660 wrote to memory of 3004	1660	2024-02-24_a7bbefe973f3a86d80b5211481a32adc_cryptolocker.exe	28
PID 1660 wrote to memory of 3004	1660	2024-02-24_a7bbefe973f3a86d80b5211481a32adc_cryptolocker.exe	28
PID 1660 wrote to memory of 3004	1660	2024-02-24_a7bbefe973f3a86d80b5211481a32adc_cryptolocker.exe	28
PID 1660 wrote to memory of 3004	1660	2024-02-24_a7bbefe973f3a86d80b5211481a32adc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-24_a7bbefe973f3a86d80b5211481a32adc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_a7bbefe973f3a86d80b5211481a32adc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3004

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
78KB

MD5
9a9b66183ca7aaf90832039165646b8e

SHA1
abb332c5feb12b1fb1114704d9539551f479cae3

SHA256
b19c470225cc48f6a87e60f1aa73eb8c790c12bbbced9b685952f3eeabd80fa3

SHA512
dfa267090c72af628418fb498dbbf8bc75b8a93347dd39b851db7fa19d3cacba275aa33d258300b82f587c48bc58b7c289f0e86031c6315d43ad4a0dedb45cd6

Download Submit
memory/1660-0-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1660-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1660-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/3004-15-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/3004-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download