61ccaf53716210e2007090141bb825b2cb6182ab267f39fe9e3d83add87948ec

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 20:28

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General

Target

2024-03-14_4e9bd0ca5b489049464e63567014f038_cryptolocker.exe
Size

82KB
MD5

4e9bd0ca5b489049464e63567014f038
SHA1

af8763b0f7cf6d4ffdf9cec9e16cba5a731cdc87
SHA256

61ccaf53716210e2007090141bb825b2cb6182ab267f39fe9e3d83add87948ec
SHA512

c66b7d12c41821481038792248a73dd150ae3d6080507a0dd20dafce5b9c1e27f494731e41f2483dbb20af26f8243614b5451fb9429051786c7098e79a55daa1
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHuu:vCjsIOtEvwDpj5H9YvQd2b

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001222a-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001222a-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2680	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2136	2024-03-14_4e9bd0ca5b489049464e63567014f038_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 2136 wrote to memory of 2680	2136	2024-03-14_4e9bd0ca5b489049464e63567014f038_cryptolocker.exe	28
PID 2136 wrote to memory of 2680	2136	2024-03-14_4e9bd0ca5b489049464e63567014f038_cryptolocker.exe	28
PID 2136 wrote to memory of 2680	2136	2024-03-14_4e9bd0ca5b489049464e63567014f038_cryptolocker.exe	28
PID 2136 wrote to memory of 2680	2136	2024-03-14_4e9bd0ca5b489049464e63567014f038_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_4e9bd0ca5b489049464e63567014f038_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_4e9bd0ca5b489049464e63567014f038_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2680

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
82KB

MD5
5c5a1876ad54505649cd1f45833ea2b0

SHA1
a45de929e751b5ec038592e417db79bad600bbba

SHA256
38ca1c985fdc4c266e92a9267d7ace50ca09a88afe7131d689d7ed89d4d40f31

SHA512
1000d681183ce411c4787e8048a95529368ada9614fde5447ebc98586f5438cce227d488849e9836cd08410165984e58ac8822b38df72df00eaf5f8f2a13f10a

Download Submit
memory/2136-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2136-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2136-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2680-15-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2680-18-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download