3c0948a44599caefe1e69ccafdc1610b6c35531be3e3454deec7d3acc2a0f354

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04-02-2024 17:25

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General

Target

2024-02-04_4b1c30f28411dcc84deada76fbf00a59_cryptolocker.exe
Size

82KB
MD5

4b1c30f28411dcc84deada76fbf00a59
SHA1

e67d86f5b2f1eaba36e69328db8eb0c6e6f45771
SHA256

3c0948a44599caefe1e69ccafdc1610b6c35531be3e3454deec7d3acc2a0f354
SHA512

8dc23c7c8387adcab57278d2ef5caa4a48949d6d8a8da1657984ebcee0749b62d29e390565a5e40622abce4c6815213de90291be771080bcc97154fc5aa5b074
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNlVSLQ8L:V6a+pOtEvwDpjvp4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012281-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012281-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2352	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1308	2024-02-04_4b1c30f28411dcc84deada76fbf00a59_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 1308 wrote to memory of 2352	1308	2024-02-04_4b1c30f28411dcc84deada76fbf00a59_cryptolocker.exe	28
PID 1308 wrote to memory of 2352	1308	2024-02-04_4b1c30f28411dcc84deada76fbf00a59_cryptolocker.exe	28
PID 1308 wrote to memory of 2352	1308	2024-02-04_4b1c30f28411dcc84deada76fbf00a59_cryptolocker.exe	28
PID 1308 wrote to memory of 2352	1308	2024-02-04_4b1c30f28411dcc84deada76fbf00a59_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-04_4b1c30f28411dcc84deada76fbf00a59_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-04_4b1c30f28411dcc84deada76fbf00a59_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2352

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\asih.exe

Filesize
83KB

MD5
9ccc4aa415b90dabaa5cef0ceaf75f34

SHA1
b7b333affa8360b4ea363b77aa1992d4d93b11fe

SHA256
768592c19c73733a575fd9f0bf1ee701ad7306a82c3dc80e8999bf2f73bc987a

SHA512
ecfddbb1afa501d9587bce8937a099c6034af8dd07609d1b6af17915192fc304b50f64c90732c34f9912b5fe1baa6461611d388fb0cd1e7ebdc22fd9d1a500a7

Download Submit
memory/1308-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1308-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1308-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2352-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2352-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download