ac05e25052da4d23e560b87f7253be3387cb927607520d4ce50e3cedb3d17a19

Analysis

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

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 08:30

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General

Target

2024-06-01_d5cc9ac80f4cffa515a514a2f583fe68_cryptolocker.exe
Size

97KB
MD5

d5cc9ac80f4cffa515a514a2f583fe68
SHA1

486778acc7e72022dda1d1b6bc41683854e9afe2
SHA256

ac05e25052da4d23e560b87f7253be3387cb927607520d4ce50e3cedb3d17a19
SHA512

a4474f9ed9d0d7d63827bd4a9c6764995720fc4f528730ac6042f2f2b88d4a0d8663bf5b28acc95e903d77d0b1bf67123ab8fbd02e33b8ea6b6dc6f5abf8813f
SSDEEP

1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNC4wra:Z6a+pOtEvwDpjtzD

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2932	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	2024-06-01_d5cc9ac80f4cffa515a514a2f583fe68_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 2416 wrote to memory of 2932	2416	2024-06-01_d5cc9ac80f4cffa515a514a2f583fe68_cryptolocker.exe	28
PID 2416 wrote to memory of 2932	2416	2024-06-01_d5cc9ac80f4cffa515a514a2f583fe68_cryptolocker.exe	28
PID 2416 wrote to memory of 2932	2416	2024-06-01_d5cc9ac80f4cffa515a514a2f583fe68_cryptolocker.exe	28
PID 2416 wrote to memory of 2932	2416	2024-06-01_d5cc9ac80f4cffa515a514a2f583fe68_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-01_d5cc9ac80f4cffa515a514a2f583fe68_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_d5cc9ac80f4cffa515a514a2f583fe68_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2932

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
97KB

MD5
92874a9658b2d543da0d39aa4b0fc38f

SHA1
80d764cda3bb6e0591ef19224c625f82b5b37f82

SHA256
981e111d30ebdc3e8acca70a41688bcad4e4488c774c229907196742a8a4dc1d

SHA512
890a140bb0224716609b1d282639d79f15f62b22cd9224cc7aec09f19b5a834569a86179dace4336b6734b7c94f20dec88bce3fafaa4b4e5b7c04fc3246f914b

Download Submit
memory/2416-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2416-1-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2416-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2932-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2932-22-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download