25ad9b12af81b84db6b1ad0a36d3f70088cee191c229bf9c52e6caac9a84f00a

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 01:08

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General

Target

2024-03-07_dd812ab018b5b1f90dda8d1c5b3aed02_cryptolocker.exe
Size

53KB
MD5

dd812ab018b5b1f90dda8d1c5b3aed02
SHA1

53fe264b71188a354489e1fff9d632f1ee7d3a7d
SHA256

25ad9b12af81b84db6b1ad0a36d3f70088cee191c229bf9c52e6caac9a84f00a
SHA512

df97678b39fde712e9095183f24b5d5f6289866b67534283a32447fa3dc425956a490e897982e07374641852132ff9e057a72861e39ad649f8c665a6152f0e2e
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dy/lAGCA:vj+jsMQMOtEvwDpj5HH1nw73KOFf9CA

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2796	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
856	2024-03-07_dd812ab018b5b1f90dda8d1c5b3aed02_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 856 wrote to memory of 2796	856	2024-03-07_dd812ab018b5b1f90dda8d1c5b3aed02_cryptolocker.exe	28
PID 856 wrote to memory of 2796	856	2024-03-07_dd812ab018b5b1f90dda8d1c5b3aed02_cryptolocker.exe	28
PID 856 wrote to memory of 2796	856	2024-03-07_dd812ab018b5b1f90dda8d1c5b3aed02_cryptolocker.exe	28
PID 856 wrote to memory of 2796	856	2024-03-07_dd812ab018b5b1f90dda8d1c5b3aed02_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-07_dd812ab018b5b1f90dda8d1c5b3aed02_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_dd812ab018b5b1f90dda8d1c5b3aed02_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:856
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2796

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
53KB

MD5
2d551544cc30869d77146701435a7255

SHA1
eeffc216cfff297d77f587755d45f8ff1b50ab66

SHA256
d066ac5ee791d40484cc3a00cce136780b585096e43fb8ee0485711bd8279297

SHA512
d90b52ecd30995428974247537cd95a6baa3e8961dbd9b9175936fd149f03c3bf76580dd183232dfa2b1ac6e323c47316331bde9f25fed0cc4f37214587b3c84

Download Submit
memory/856-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/856-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/856-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2796-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2796-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download