6b4e14c94eee0e17238c143daafc7fe8774a28a63998490aa31eebbbc432bc86

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
20/06/2024, 11:24

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General

Target

2024-06-20_38c2796ddbc4d2a63e66bf6e8e14d6f6_cryptolocker.exe
Size

38KB
MD5

38c2796ddbc4d2a63e66bf6e8e14d6f6
SHA1

f83360ab89257c3840386de57377036db3666c2a
SHA256

6b4e14c94eee0e17238c143daafc7fe8774a28a63998490aa31eebbbc432bc86
SHA512

12ec4c6af320dfaa823b9d40d159d074d0a8a036d4b18108301cede2d534f242bf0ed864d153447da9fd59e573d66edc21eb09e583b09791f2f1536f0cc86dbb
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4XYNS:fT+hsMQMOtEvwDpjoIHIM

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015f7a-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015f7a-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2520	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	2024-06-20_38c2796ddbc4d2a63e66bf6e8e14d6f6_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 2360 wrote to memory of 2520	2360	2024-06-20_38c2796ddbc4d2a63e66bf6e8e14d6f6_cryptolocker.exe	28
PID 2360 wrote to memory of 2520	2360	2024-06-20_38c2796ddbc4d2a63e66bf6e8e14d6f6_cryptolocker.exe	28
PID 2360 wrote to memory of 2520	2360	2024-06-20_38c2796ddbc4d2a63e66bf6e8e14d6f6_cryptolocker.exe	28
PID 2360 wrote to memory of 2520	2360	2024-06-20_38c2796ddbc4d2a63e66bf6e8e14d6f6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-20_38c2796ddbc4d2a63e66bf6e8e14d6f6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-20_38c2796ddbc4d2a63e66bf6e8e14d6f6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2520

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
38KB

MD5
592a1c7c6ffb8e82c9937ab3b4c73486

SHA1
c921639cc83609e31312f86e132bb21a29d14655

SHA256
87e25fef205fb62c8fc13fabe1a6ca6f91983838e5ed674a27c371f44a557858

SHA512
4e1922198559f82bb470513724a03dc0c996c32660c38f8f68814ef2e5b3789ffd0fd8122de9442d8dcfcf418882d4f48a411bc5131d37b0c57cd8e9ae00f8fc

Download Submit
memory/2360-0-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2360-1-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2360-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2520-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2520-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download