663d7065693fd9eaa2c910190a9510eb1bd41c8732dbd3a34ba2c3b08e1213e2

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 09:25

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General

Target

2024-03-15_03741861a5a8df6571698df7c245c76d_cryptolocker.exe
Size

78KB
MD5

03741861a5a8df6571698df7c245c76d
SHA1

f3a92aeaa1efca3096dc4730cb72a5a2698daa28
SHA256

663d7065693fd9eaa2c910190a9510eb1bd41c8732dbd3a34ba2c3b08e1213e2
SHA512

55af579ce2c0490a30db731b894159692189f700a06d1f7746e3f33a3b85511c35142b055217f667c5414b4154fdc714e2433e275f2d590c5dae5901bf27b854
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafp:vCjsIOtEvwDpj5H9YvQd2N

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012321-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012321-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2168	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	2024-03-15_03741861a5a8df6571698df7c245c76d_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 2040 wrote to memory of 2168	2040	2024-03-15_03741861a5a8df6571698df7c245c76d_cryptolocker.exe	28
PID 2040 wrote to memory of 2168	2040	2024-03-15_03741861a5a8df6571698df7c245c76d_cryptolocker.exe	28
PID 2040 wrote to memory of 2168	2040	2024-03-15_03741861a5a8df6571698df7c245c76d_cryptolocker.exe	28
PID 2040 wrote to memory of 2168	2040	2024-03-15_03741861a5a8df6571698df7c245c76d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_03741861a5a8df6571698df7c245c76d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_03741861a5a8df6571698df7c245c76d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2168

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
78KB

MD5
6a7dbe240bd8b77da138120cd4bb38b7

SHA1
372f7ef31fbbfda3f404efcd90041874017db84a

SHA256
fcf193f95c595fe4a216703bed7825471a10c6a627112654d5bef9faab257f51

SHA512
6d2dbc44e47882669eefecfeb21012b56cb152d0c92a5d2f8e258adfb9791af90250c60b61d0706c9cddb44c599ebce28d5d3ce1d22da1e553cdcd8fbea81d1c

Download Submit
memory/2040-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2040-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2040-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2168-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2168-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download