6484dfbc33104b13044eae024a4c9f56a308fce620c5c31afa8354a32f8a85aa

Analysis

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

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 14:32

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General

Target

2024-04-15_3720cf57d16e0c2409d49ee40f21c545_cryptolocker.exe
Size

45KB
MD5

3720cf57d16e0c2409d49ee40f21c545
SHA1

a63a9bb86e13c93a9425d06fd6ea1057675095b6
SHA256

6484dfbc33104b13044eae024a4c9f56a308fce620c5c31afa8354a32f8a85aa
SHA512

75b3a881f1377f19c822136f4a3bac97235203a6f66c7c7f162eac44a4696f36c950a2907b1211fedefb3a75745b1737cb7de4a77d1362c2417b68f206dbf8b2
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUuj2e:vj+jsMQMOtEvwDpj5Hczer5ixjn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2192	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	2024-04-15_3720cf57d16e0c2409d49ee40f21c545_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 1732 wrote to memory of 2192	1732	2024-04-15_3720cf57d16e0c2409d49ee40f21c545_cryptolocker.exe	28
PID 1732 wrote to memory of 2192	1732	2024-04-15_3720cf57d16e0c2409d49ee40f21c545_cryptolocker.exe	28
PID 1732 wrote to memory of 2192	1732	2024-04-15_3720cf57d16e0c2409d49ee40f21c545_cryptolocker.exe	28
PID 1732 wrote to memory of 2192	1732	2024-04-15_3720cf57d16e0c2409d49ee40f21c545_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_3720cf57d16e0c2409d49ee40f21c545_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_3720cf57d16e0c2409d49ee40f21c545_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2192

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
45KB

MD5
be21b870e7eb7b0b4035ff00cf2efcc9

SHA1
eef8098cd7aaa55c2166ddff6a737c8885b89ce7

SHA256
5518e463f02199d9a954cd14460afdcc4c252f8c805cf91f674c869afe1aef4a

SHA512
848d0cd9db6aa4d36178f13b044a984f46b0f4c17eb8ea00159a2cf46fb46e21f9295a012f0553ad6f53ce680d996805bc64e0065d13c33ba298a678f04c12aa

Download Submit
memory/1732-0-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1732-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1732-8-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2192-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2192-17-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download