0310fd7ca059f842f154935b26b7469833c17f33f7df10704a3ce32c80fb81c4

Analysis

max time kernel
145s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 17:33

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General

Target

2024-03-19_41d6e1d9216d2ecdacbfc0d072f290b3_cryptolocker.exe
Size

88KB
MD5

41d6e1d9216d2ecdacbfc0d072f290b3
SHA1

e61d2838ad4d8bf488a6af5d775b7a4f54bd9e2b
SHA256

0310fd7ca059f842f154935b26b7469833c17f33f7df10704a3ce32c80fb81c4
SHA512

858863e8a363b59306966cf8e5fb381c5d0b41d9fa99000321af5d5598b982a7b4ba69aada5e98b07fa99bdda71d0093e8421a5c17b81054c929ec612d9471aa
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQYCP:vCjsIOtEvwDpj5H8zPsR

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012250-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012250-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2500	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2440	2024-03-19_41d6e1d9216d2ecdacbfc0d072f290b3_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 2440 wrote to memory of 2500	2440	2024-03-19_41d6e1d9216d2ecdacbfc0d072f290b3_cryptolocker.exe	28
PID 2440 wrote to memory of 2500	2440	2024-03-19_41d6e1d9216d2ecdacbfc0d072f290b3_cryptolocker.exe	28
PID 2440 wrote to memory of 2500	2440	2024-03-19_41d6e1d9216d2ecdacbfc0d072f290b3_cryptolocker.exe	28
PID 2440 wrote to memory of 2500	2440	2024-03-19_41d6e1d9216d2ecdacbfc0d072f290b3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_41d6e1d9216d2ecdacbfc0d072f290b3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_41d6e1d9216d2ecdacbfc0d072f290b3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2500

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\misid.exe

Filesize
88KB

MD5
10e051c8a48fc910f22c6413a5fbf1e2

SHA1
759218d9c1d9dd0f82db5c2007cdc8ec5d28a5bd

SHA256
727eba1409a361f1c6863591491df0bd038ecfee9e627283b258cac031499c69

SHA512
0f5854cfe4c3dd50f8137de04b75aa0438f7814dc701b2b18455b5d359ae8e13bf31779843dbda3be61d4763050411a51a3e59576e396d0eb614dbeb66170a4f

Download Submit
memory/2440-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2440-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2440-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2500-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2500-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download