289553cf15469c4628d2e04225fe25386a4a401b8b182e8488cacc9887ce40e6

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/04/2024, 22:32

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General

Target

2024-04-04_9babdea2fb081f3221f91b7c4065f968_cryptolocker.exe
Size

49KB
MD5

9babdea2fb081f3221f91b7c4065f968
SHA1

9fe3cc32d40d0930cf62e4c7d0c10f9809ad3191
SHA256

289553cf15469c4628d2e04225fe25386a4a401b8b182e8488cacc9887ce40e6
SHA512

45970afe75e347987127ebf1202c719c1860a850448026da412553254a793469ce01c6200b4d302f93132b2d460e835da91f3844af359bc53b2f9203999c00d0
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZcL:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLOL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012256-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012256-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2116	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-04-04_9babdea2fb081f3221f91b7c4065f968_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 2208 wrote to memory of 2116	2208	2024-04-04_9babdea2fb081f3221f91b7c4065f968_cryptolocker.exe	28
PID 2208 wrote to memory of 2116	2208	2024-04-04_9babdea2fb081f3221f91b7c4065f968_cryptolocker.exe	28
PID 2208 wrote to memory of 2116	2208	2024-04-04_9babdea2fb081f3221f91b7c4065f968_cryptolocker.exe	28
PID 2208 wrote to memory of 2116	2208	2024-04-04_9babdea2fb081f3221f91b7c4065f968_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-04_9babdea2fb081f3221f91b7c4065f968_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-04_9babdea2fb081f3221f91b7c4065f968_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2116

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
49KB

MD5
f82afc81535ec9c23d3f06e02401485c

SHA1
d9f9e1126803674abb979d4f3377ec6a5e1c9322

SHA256
609fe55c9ecb8d254f2e2b9c6298f8acf4aa35bef7bb63c282dfb2da08fba45f

SHA512
ec296d8d19849090b1bf06df268957d9ed4282bdb8cef9ffe3fa650006a32d9dff4a5d78428328121463e13532dca7e2f353a67a29288c25cf751ed48cbe21c9

Download Submit
memory/2116-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2116-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2208-8-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2208-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download