2aaf618bbbeb43ee1d5ac2ed7850a72976dc1bae0671e075ef2776c486fad8bc

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10-06-2024 04:54

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General

Target

2024-06-10_b79f9506ec6fe2b02e6cc653fbe30e71_cryptolocker.exe
Size

37KB
MD5

b79f9506ec6fe2b02e6cc653fbe30e71
SHA1

9e80473d7d5cd011846fb1796eec23c57ab9096f
SHA256

2aaf618bbbeb43ee1d5ac2ed7850a72976dc1bae0671e075ef2776c486fad8bc
SHA512

3e8dd2a4a856fc2be3185528885061ab68b8485ce8c849c2b7ce114b4d764ca4d70bd597e86c03a6612f41355acf716df8cbfe7d01108a5140a2967887cd561b
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4C:fT+hsMQMOtEvwDpjoIHC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x001000000001226b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x001000000001226b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2448	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-06-10_b79f9506ec6fe2b02e6cc653fbe30e71_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 2180 wrote to memory of 2448	2180	2024-06-10_b79f9506ec6fe2b02e6cc653fbe30e71_cryptolocker.exe	28
PID 2180 wrote to memory of 2448	2180	2024-06-10_b79f9506ec6fe2b02e6cc653fbe30e71_cryptolocker.exe	28
PID 2180 wrote to memory of 2448	2180	2024-06-10_b79f9506ec6fe2b02e6cc653fbe30e71_cryptolocker.exe	28
PID 2180 wrote to memory of 2448	2180	2024-06-10_b79f9506ec6fe2b02e6cc653fbe30e71_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-10_b79f9506ec6fe2b02e6cc653fbe30e71_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_b79f9506ec6fe2b02e6cc653fbe30e71_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2448

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
37KB

MD5
7ecb7f524fb441004715110738655443

SHA1
a00e1ddfa9d8f4588a8f3d93977b552866c4e568

SHA256
413dc014385cee33c87a4beb02a461dc1c229c741ff780c1c8eb5077bc19d017

SHA512
d5d36c22c57ed0c77f7979f77acb6c4c176e5c49760e268d2aa9cd2e5a3a5cde9471b3febdd28b1df33e4d4b8316a9f4e13f702556fa64e4070714f552748f78

Download Submit
memory/2180-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2448-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2448-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download