369cc12128c1a5aeaa2f6d80cb7bbfb6932826f68e80432a6adb9445621454aa

Analysis

max time kernel
138s
max time network
162s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 17:40

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General

Target

2024-03-05_9fbd6dca029f831fb89ac3a1676a2ebc_cryptolocker.exe
Size

70KB
MD5

9fbd6dca029f831fb89ac3a1676a2ebc
SHA1

bd2aac199556d5f9b20e4623df53e576ac25526b
SHA256

369cc12128c1a5aeaa2f6d80cb7bbfb6932826f68e80432a6adb9445621454aa
SHA512

0866835c6627739a3c32192efb07049c6956dcc13896cfc617c4b96d8ee3889a6a5da70f267bb3133b2de77a229b31ab2b8c99f70e8fe4dc124c159c97547f6e
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeMLam5ax+Il:u6QFElP6n+gWMOtEvwDpjjaYaV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012247-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012247-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2496	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2968	2024-03-05_9fbd6dca029f831fb89ac3a1676a2ebc_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 2968 wrote to memory of 2496	2968	2024-03-05_9fbd6dca029f831fb89ac3a1676a2ebc_cryptolocker.exe	28
PID 2968 wrote to memory of 2496	2968	2024-03-05_9fbd6dca029f831fb89ac3a1676a2ebc_cryptolocker.exe	28
PID 2968 wrote to memory of 2496	2968	2024-03-05_9fbd6dca029f831fb89ac3a1676a2ebc_cryptolocker.exe	28
PID 2968 wrote to memory of 2496	2968	2024-03-05_9fbd6dca029f831fb89ac3a1676a2ebc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-05_9fbd6dca029f831fb89ac3a1676a2ebc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-05_9fbd6dca029f831fb89ac3a1676a2ebc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2496

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
70KB

MD5
1475f0aec8179c9560aadbdf3a694578

SHA1
b8ce06a2eb63c0c133585f96dbcf934bc3e6d8a4

SHA256
9bb628e29988f3db4e9e49a1bbfada4e3977da77762e0d8636e82a36855735a8

SHA512
a8c2e1f6bd23fa73cd7ef6bbfbd85bf465a664003173394cff9f6e112f7d629407d54967a83bdcf347ae740fdabf5ab877ea096a7ca7b942ff5ca5162064d9c9

Download Submit
memory/2496-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2496-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2968-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2968-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2968-7-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download