6d78d2c984f1fcc952b83bc188f4464998fe406b987892fb6b9e0740a7fd72d4

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-03-2024 06:07

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General

Target

2024-03-16_30c17745d47cba796a4af0c885e6a2ad_cryptolocker.exe
Size

95KB
MD5

30c17745d47cba796a4af0c885e6a2ad
SHA1

55e4a1930b612844694f45896b98f57a2b3f9da4
SHA256

6d78d2c984f1fcc952b83bc188f4464998fe406b987892fb6b9e0740a7fd72d4
SHA512

7c41fae35a8911ce22edc3a77b8169f3902b0b4c84c4b91d68bfb52ab3e7f5106602384812bff393b4f189dda6daf89c10a5f74abc9f8ad973e6825e004606be
SSDEEP

1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNC4w7:Z6a+pOtEvwDpjtz2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012226-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012226-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2296	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1320	2024-03-16_30c17745d47cba796a4af0c885e6a2ad_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 1320 wrote to memory of 2296	1320	2024-03-16_30c17745d47cba796a4af0c885e6a2ad_cryptolocker.exe	28
PID 1320 wrote to memory of 2296	1320	2024-03-16_30c17745d47cba796a4af0c885e6a2ad_cryptolocker.exe	28
PID 1320 wrote to memory of 2296	1320	2024-03-16_30c17745d47cba796a4af0c885e6a2ad_cryptolocker.exe	28
PID 1320 wrote to memory of 2296	1320	2024-03-16_30c17745d47cba796a4af0c885e6a2ad_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-16_30c17745d47cba796a4af0c885e6a2ad_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-16_30c17745d47cba796a4af0c885e6a2ad_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2296

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
95KB

MD5
595ae40d6a73deb40c2936f7d3b42469

SHA1
6e04fc4038238d44a629a1368ec65882f5cfd410

SHA256
405da4ae6286cb3c2f747c87b26a49225f4cd18fc057b9072658ae34d378ef2d

SHA512
cfe57576f86d20b8e4f374f3fd1469c26f684a416e84c3e6373694bf9c3f3f2509d2b8e54a72f6f5ed8766adc251329951ce79181af55c056b652c4168846b20

Download Submit
memory/1320-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1320-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1320-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2296-15-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2296-16-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download