ac78c29e997c158a1b84b1082636e9809b661c0164c97718097f7ca8e41a3766

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
03-06-2024 23:23

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General

Target

2024-06-03_8469c8771277fc6ac34e1c7ffad8f794_cryptolocker.exe
Size

87KB
MD5

8469c8771277fc6ac34e1c7ffad8f794
SHA1

4f310c603cbcf77dfd62a61d1c264f2cf8bf086f
SHA256

ac78c29e997c158a1b84b1082636e9809b661c0164c97718097f7ca8e41a3766
SHA512

a4cf0cd69d1d9432e66f48630893ebc603a8f7253c98b3fa23bf0fd65e2c92184f6b7db5ac0b2240c3a49e9c821a0a644974239b4a50a77d3b7aca95ccff206d
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBli:vCjsIOtEvwDpj5H9YvQd2k

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2676	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
376	2024-06-03_8469c8771277fc6ac34e1c7ffad8f794_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 376 wrote to memory of 2676	376	2024-06-03_8469c8771277fc6ac34e1c7ffad8f794_cryptolocker.exe	28
PID 376 wrote to memory of 2676	376	2024-06-03_8469c8771277fc6ac34e1c7ffad8f794_cryptolocker.exe	28
PID 376 wrote to memory of 2676	376	2024-06-03_8469c8771277fc6ac34e1c7ffad8f794_cryptolocker.exe	28
PID 376 wrote to memory of 2676	376	2024-06-03_8469c8771277fc6ac34e1c7ffad8f794_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-03_8469c8771277fc6ac34e1c7ffad8f794_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_8469c8771277fc6ac34e1c7ffad8f794_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2676

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\misid.exe

Filesize
87KB

MD5
7d20fcfdc16b48339074f37f727d5db9

SHA1
d006a785a32c2872fd7dc462c3ba70bd05651238

SHA256
25f55d2c732d644cc9ad814a18b3711b1f1c68d5ce6372611539e69e737b24a5

SHA512
3dc948fbfdcf53642a7388608b2692ae1e03ea486be7d26a57e0ddf21bc29d619f638cf502122a0ddfb1fe175f8ae121f10d2443aa88baaa22efc639e06c843b

Download Submit
memory/376-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/376-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/376-1-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2676-15-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2676-22-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download