65a7280968f66b4aeffd9cc81acdd26b96c6c00512c8a3c50088f1e68f04edd4

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23-01-2024 21:53

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General

Target

2024-01-23_d7626059199d25088154516d0844bb70_cryptolocker.exe
Size

77KB
MD5

d7626059199d25088154516d0844bb70
SHA1

017a936094a39a513c8e9e52bfc5906e17fe30c4
SHA256

65a7280968f66b4aeffd9cc81acdd26b96c6c00512c8a3c50088f1e68f04edd4
SHA512

063adea8b7290700e70576b8561d348bc9def8118d39c897eae10f558c17ca86f49cdbb56a9e6d1594d584933172313b1ef0e1212472149cbed80fbc6b946849
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufw:vCjsIOtEvwDpj5H9YvQd20

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000139e0-22.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000139e0-22.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2008	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1072	2024-01-23_d7626059199d25088154516d0844bb70_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 1072 wrote to memory of 2008	1072	2024-01-23_d7626059199d25088154516d0844bb70_cryptolocker.exe	28
PID 1072 wrote to memory of 2008	1072	2024-01-23_d7626059199d25088154516d0844bb70_cryptolocker.exe	28
PID 1072 wrote to memory of 2008	1072	2024-01-23_d7626059199d25088154516d0844bb70_cryptolocker.exe	28
PID 1072 wrote to memory of 2008	1072	2024-01-23_d7626059199d25088154516d0844bb70_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-23_d7626059199d25088154516d0844bb70_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_d7626059199d25088154516d0844bb70_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2008

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
77KB

MD5
a8a2ebf3456f90649d4a2a9261acdeb7

SHA1
5a462e92c6e35c3e107bdfcc68b3224451a911d8

SHA256
88ad95504ca2cb2a0a223d09e8e2fd15315807fd2302382b61c8b3abf4b10454

SHA512
75ddbe77a54a6dbbf22877912181ceacf55ed43deddff5d77af4a279d1a88e02ea896b92b3b6fbca8e5adc27db9617a96517330f31e702703e608e59b2953861

Download Submit
memory/1072-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1072-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1072-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2008-16-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2008-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download