d819174d1c295682a4d192fd28759a2f6920fae132ebb07c49f787d7a787d3be

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 12:02

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General

Target

2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe
Size

94KB
MD5

cc1a18fabb960c215d97fc94d8965877
SHA1

ecfe1ea4540642428b6d1579c92b1910b858c86a
SHA256

d819174d1c295682a4d192fd28759a2f6920fae132ebb07c49f787d7a787d3be
SHA512

4476be96162cfaffbfd56a716b4d110e4f05290f3235af3856e896e77377135eea24b953317c139f061c55617e99006277c518f0b412748d547f769b1a5eea5a
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgo:V6a+pOtEvwDpjtzE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012256-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012256-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1284	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2156	2024-04-15_cc1a18fabb960c215d97fc94d8965877_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 2156 wrote to memory of 1284	2156	2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe	28
PID 2156 wrote to memory of 1284	2156	2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe	28
PID 2156 wrote to memory of 1284	2156	2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe	28
PID 2156 wrote to memory of 1284	2156	2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1284

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
94KB

MD5
a0a055586aabe1e277e54ba968193993

SHA1
83c842b99f8faf0455fe15d34a4947719c1242a7

SHA256
17e92511b42a13e09f31e2ae34d6828d07a8245cd0b96efa0b42a3c7e28679f7

SHA512
0fe9eb71309d1c36373814d6c9ab5d07d0a3a2e08ec3f19ed95fafa3e249eb146bb5c8a9478600dd91464e5bc025ec6cd396c2c25d0ae0b01e58880f3ffbe21d

Download Submit
memory/1284-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1284-21-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2156-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2156-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2156-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download