1671ce45f03c83eb1d8d69d25d7b03b32b68abd0cddfa910dcca3483368a2fe0

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 04:28

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General

Target

2024-05-12_1a7ed25dae5e768ea5b0c27106786985_cryptolocker.exe
Size

85KB
MD5

1a7ed25dae5e768ea5b0c27106786985
SHA1

3b374248835073b19116927a11e6a2f64883a163
SHA256

1671ce45f03c83eb1d8d69d25d7b03b32b68abd0cddfa910dcca3483368a2fe0
SHA512

e011a6ca872dc24c629b1b04cb6d2a436ddf44ed197276e5954e99ccb5fccc65cfb6383a02d46a6260526adae302208ef93f8ecc8e0234a6c5f29e9591f315ce
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6aP:V6a+pOtEvwDpjvpb

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2944	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2744	2024-05-12_1a7ed25dae5e768ea5b0c27106786985_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 2744 wrote to memory of 2944	2744	2024-05-12_1a7ed25dae5e768ea5b0c27106786985_cryptolocker.exe	28
PID 2744 wrote to memory of 2944	2744	2024-05-12_1a7ed25dae5e768ea5b0c27106786985_cryptolocker.exe	28
PID 2744 wrote to memory of 2944	2744	2024-05-12_1a7ed25dae5e768ea5b0c27106786985_cryptolocker.exe	28
PID 2744 wrote to memory of 2944	2744	2024-05-12_1a7ed25dae5e768ea5b0c27106786985_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_1a7ed25dae5e768ea5b0c27106786985_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_1a7ed25dae5e768ea5b0c27106786985_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2944

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
86KB

MD5
2fa1c97bc441523ff775fd1ab692c814

SHA1
ab7b703f7e59e0c8ea819f201c0a655fab005db3

SHA256
acb597eca8e187b17e864c3bd9a8d073b4624a196c204b354b0b32ae3dfe461d

SHA512
196f577fbc2366c8bfba8d8ac3f4c10b2d803643173708e23283993fb1cfa91497eedcb002a2b5e8ab48d572dad1d0a0da03acb4d8bd24799cdad2cbee19bc66

Download Submit
memory/2744-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2744-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2744-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2944-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2944-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download