bb57be23b2779498d94be1ad04366247805df028a8fd255a8a380534fb3be5f3

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
17/05/2024, 04:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-17_e6b6ca6435b75e289c755431aa124644_cryptolocker.exe
Size

43KB
MD5

e6b6ca6435b75e289c755431aa124644
SHA1

aa9cfce0da8245f37acc594acad4992eb27fa207
SHA256

bb57be23b2779498d94be1ad04366247805df028a8fd255a8a380534fb3be5f3
SHA512

84bd02c4696b7fd3f3fd75d64c630751699308ac854b6b47ddedcef239d4eebfd70c311d7763d49ec783f768bf7669dfb7b8d80ae8c319d6e423d53df772b2cb
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aM12:6j+1NMOtEvwDpjrRr12

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1636-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000012286-11.dat	CryptoLocker_rule2
behavioral1/memory/1636-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2156-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2156-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1636-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a000000012286-11.dat	CryptoLocker_set1
behavioral1/memory/1636-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2156-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2156-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/1636-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000a000000012286-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1636-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2156-16-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2156-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2156	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1636	2024-05-17_e6b6ca6435b75e289c755431aa124644_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 1636 wrote to memory of 2156	1636	2024-05-17_e6b6ca6435b75e289c755431aa124644_cryptolocker.exe	28
PID 1636 wrote to memory of 2156	1636	2024-05-17_e6b6ca6435b75e289c755431aa124644_cryptolocker.exe	28
PID 1636 wrote to memory of 2156	1636	2024-05-17_e6b6ca6435b75e289c755431aa124644_cryptolocker.exe	28
PID 1636 wrote to memory of 2156	1636	2024-05-17_e6b6ca6435b75e289c755431aa124644_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-17_e6b6ca6435b75e289c755431aa124644_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-17_e6b6ca6435b75e289c755431aa124644_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2156

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
44KB

MD5
664990838a27d7e072bf585179db17d6

SHA1
d4a44853f1897f6352550ed76fc9a74f61952587

SHA256
3835c592fad2dca3ecf84e4e9e26764071a0add4dfad762c852008f1be157601

SHA512
9e34492703708e9aacfdf64799511291556c6ce027dc8c46130b16f7d24c69b9d04d06d8cafab0c865a0f1bb4f7363a266e2428caffc953eaa162af5197be1af

Download Submit
memory/1636-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1636-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1636-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1636-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1636-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2156-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2156-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2156-18-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2156-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download