42e06888b9a60fd41bd72296d8d1bb0f8030a79d2b29fd749536ca846700a428

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 19:20

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General

Target

2024-05-30_b3295a7ff05ecb42e7822af0cc461775_cryptolocker.exe
Size

54KB
MD5

b3295a7ff05ecb42e7822af0cc461775
SHA1

f14c8b9cf6e12a991839156838aa34bccbdf852a
SHA256

42e06888b9a60fd41bd72296d8d1bb0f8030a79d2b29fd749536ca846700a428
SHA512

ccbcf0b758e0a3c845440f446c76d02221690ec3bedc7a379391aa1ea9def9d623d3b607c598b3934a95f38df78647b4fa8d37906dd3e2ba30b487b24173bf87
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9Xv+mb6uYGExYSa:bIDOw9a0DwitDZzc161Ba

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001226b-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2924	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2992	2024-05-30_b3295a7ff05ecb42e7822af0cc461775_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 2992 wrote to memory of 2924	2992	2024-05-30_b3295a7ff05ecb42e7822af0cc461775_cryptolocker.exe	28
PID 2992 wrote to memory of 2924	2992	2024-05-30_b3295a7ff05ecb42e7822af0cc461775_cryptolocker.exe	28
PID 2992 wrote to memory of 2924	2992	2024-05-30_b3295a7ff05ecb42e7822af0cc461775_cryptolocker.exe	28
PID 2992 wrote to memory of 2924	2992	2024-05-30_b3295a7ff05ecb42e7822af0cc461775_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_b3295a7ff05ecb42e7822af0cc461775_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_b3295a7ff05ecb42e7822af0cc461775_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2924

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

C:\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
54KB

MD5
41be067d89e54f63b74e69261ea9916c

SHA1
e0d8417ed923bd061758c2cc839f5ece9e436f77

SHA256
ed7bc0711ca7e2601bb01841a2ccc6ee8d78130301848d2076541e94b753db54

SHA512
e4c8a08c55ff117c78735c3b435727c1177384390d89e759fa63a49fbc4cba6206731d5d046109a4c3420d4675990ba830cbd598205ca57dba52fcea559db7a9

Download Submit
memory/2924-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2992-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2992-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2992-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download