e7acaaee10b41d4bfd135d5f0842f9cd29a9b0805d303b902df1d36be0e507ff

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 21:24

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General

Target

2024-03-18_0c6bd53dd3bffbb0294ab15bb07cbb61_cryptolocker.exe
Size

92KB
MD5

0c6bd53dd3bffbb0294ab15bb07cbb61
SHA1

f1afbf28f9e767d00f454f1ec3fc5dfac2ed82cf
SHA256

e7acaaee10b41d4bfd135d5f0842f9cd29a9b0805d303b902df1d36be0e507ff
SHA512

26d51d365d05250c27eecf425555c2b6e66bf435e522470034a32548081eaff8db2ccd6a8a759b6e1d8f4394330f30f89a2c739aef4690053201567405aad3fb
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMg1:V6a+pOtEvwDpjtz5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012331-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012331-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2176	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2968	2024-03-18_0c6bd53dd3bffbb0294ab15bb07cbb61_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 2968 wrote to memory of 2176	2968	2024-03-18_0c6bd53dd3bffbb0294ab15bb07cbb61_cryptolocker.exe	28
PID 2968 wrote to memory of 2176	2968	2024-03-18_0c6bd53dd3bffbb0294ab15bb07cbb61_cryptolocker.exe	28
PID 2968 wrote to memory of 2176	2968	2024-03-18_0c6bd53dd3bffbb0294ab15bb07cbb61_cryptolocker.exe	28
PID 2968 wrote to memory of 2176	2968	2024-03-18_0c6bd53dd3bffbb0294ab15bb07cbb61_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-18_0c6bd53dd3bffbb0294ab15bb07cbb61_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-18_0c6bd53dd3bffbb0294ab15bb07cbb61_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2176

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\asih.exe

Filesize
92KB

MD5
5dd0cec4c92c3156930920c326ff2fe7

SHA1
188e1c0140b8dbddf3427dbc4f2f7db099561a13

SHA256
3801ea5b321c14153230518c4361c8ed48b3e479b8899927e250d14220e2a1c6

SHA512
f561c5dfffab2801fa58fb5b4d389952a20308c03eb14bca5f851192dbc9b6315853315876fcb08c09236ef0bba32bcf37dbbcb6c0196baec93cfae915f9e636

Download Submit
memory/2176-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2176-22-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2968-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2968-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2968-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download