2389b70d2b2c01f80be8fd19c25f7e0a041394a63c52ddbe36790bd6410c7a3d

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 09:34

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General

Target

2024-03-08_58c090af035fe4d61f1c2d4d5cea0720_cryptolocker.exe
Size

98KB
MD5

58c090af035fe4d61f1c2d4d5cea0720
SHA1

85a422b278edccd51923ee1a55584641bbf469b1
SHA256

2389b70d2b2c01f80be8fd19c25f7e0a041394a63c52ddbe36790bd6410c7a3d
SHA512

feeb33a91147399aec721be58e304f0dc2ac346f884a30a7809aa27d7dd6f2d2c11e32a297506903eeaf4b7ffd6e3618d77dc1f9ef981a251c1f22d5fb9a8903
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbZ:V6a+pOtEvwDpjtzp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2056	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	2024-03-08_58c090af035fe4d61f1c2d4d5cea0720_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 1688 wrote to memory of 2056	1688	2024-03-08_58c090af035fe4d61f1c2d4d5cea0720_cryptolocker.exe	28
PID 1688 wrote to memory of 2056	1688	2024-03-08_58c090af035fe4d61f1c2d4d5cea0720_cryptolocker.exe	28
PID 1688 wrote to memory of 2056	1688	2024-03-08_58c090af035fe4d61f1c2d4d5cea0720_cryptolocker.exe	28
PID 1688 wrote to memory of 2056	1688	2024-03-08_58c090af035fe4d61f1c2d4d5cea0720_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_58c090af035fe4d61f1c2d4d5cea0720_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_58c090af035fe4d61f1c2d4d5cea0720_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2056

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\asih.exe

Filesize
98KB

MD5
0f1ac78173305c3cac3ae0bc0bcd90ee

SHA1
56f8bd595fa6c4bc7810bd072f6579d1af796de5

SHA256
323b13af4012c530842405e19bfcffa27ff6bfa100cb9e1427c878cd95090dd0

SHA512
be2541b47f04a61b9a6a94c6b2d25a5c6a6adb3721d36cc9018e95b40bda2368629541f6ed6795927ad7d5a65fcb8592d0cda3e9a358e46ba4131c2f70e26bdf

Download Submit
memory/1688-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1688-2-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1688-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2056-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2056-17-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download