c2455b14315bbf5fd0f42ca99d4fd739c25268ef30471c12b9ea67a4385f7146

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 18:47

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General

Target

2024-05-21_c9daa7b60a793b9aefaf1b25eaf6e8c6_cryptolocker.exe
Size

49KB
MD5

c9daa7b60a793b9aefaf1b25eaf6e8c6
SHA1

924bc7d5ccd16f584d113188f0d0e91cd03aff6c
SHA256

c2455b14315bbf5fd0f42ca99d4fd739c25268ef30471c12b9ea67a4385f7146
SHA512

45ce6ccd91639e6b14a15f149e1ba73400f19e3cb222651b6d64fce08fccf94e8bc9b744fae70c2ebdf93b21b08ac7bdd874cd77a5cff07aa899af906ec4e832
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfV:X6QFElP6n+gJBMOtEvwDpjBtEdXfV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f00000001226b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f00000001226b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2780	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1212	2024-05-21_c9daa7b60a793b9aefaf1b25eaf6e8c6_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 1212 wrote to memory of 2780	1212	2024-05-21_c9daa7b60a793b9aefaf1b25eaf6e8c6_cryptolocker.exe	28
PID 1212 wrote to memory of 2780	1212	2024-05-21_c9daa7b60a793b9aefaf1b25eaf6e8c6_cryptolocker.exe	28
PID 1212 wrote to memory of 2780	1212	2024-05-21_c9daa7b60a793b9aefaf1b25eaf6e8c6_cryptolocker.exe	28
PID 1212 wrote to memory of 2780	1212	2024-05-21_c9daa7b60a793b9aefaf1b25eaf6e8c6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_c9daa7b60a793b9aefaf1b25eaf6e8c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_c9daa7b60a793b9aefaf1b25eaf6e8c6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2780

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
49KB

MD5
c96ad1b8ca8baedafd3347f1641ecd11

SHA1
1efa9ecdd8ed1aa531258fa1e96a6866d2d4a35e

SHA256
40742e0849718143af9fe59b3629152180456e4ed63fa4537bfb382966f38c48

SHA512
da2720e72cbfd4d18ac5a881ca278e23e187d07eb424b50460fc8a897fa864c99de2e3e26186584e8ed87470deb1af7aa23017345a8b533419f7b3082b7b0879

Download Submit
memory/1212-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1212-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2780-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2780-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download