00fe6a4c1308efc66b99ce60ddcc42906807b7b262d56e458d93db801be99051

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 13:53

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General

Target

2024-06-02_ca98158d805fb2a737c5aa2b3d9077bb_cryptolocker.exe
Size

45KB
MD5

ca98158d805fb2a737c5aa2b3d9077bb
SHA1

6937ab070b1f00c721a40665d14e792df059f5be
SHA256

00fe6a4c1308efc66b99ce60ddcc42906807b7b262d56e458d93db801be99051
SHA512

29eb0f9e351695c71517f17db1a2c767721e2c757381069b34b5cb1b930ee4e401ae1e999dfaff4639dd40f54761bf11133a535fb53551e5b2fc3ca42d800798
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9o:X6QFElP6n+gJQMOtEvwDpjBmzDkWDu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001211e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001211e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1636	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	2024-06-02_ca98158d805fb2a737c5aa2b3d9077bb_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 1732 wrote to memory of 1636	1732	2024-06-02_ca98158d805fb2a737c5aa2b3d9077bb_cryptolocker.exe	28
PID 1732 wrote to memory of 1636	1732	2024-06-02_ca98158d805fb2a737c5aa2b3d9077bb_cryptolocker.exe	28
PID 1732 wrote to memory of 1636	1732	2024-06-02_ca98158d805fb2a737c5aa2b3d9077bb_cryptolocker.exe	28
PID 1732 wrote to memory of 1636	1732	2024-06-02_ca98158d805fb2a737c5aa2b3d9077bb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-02_ca98158d805fb2a737c5aa2b3d9077bb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_ca98158d805fb2a737c5aa2b3d9077bb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1636

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
45KB

MD5
5de2e05263073e4c0cdbd5239317eac4

SHA1
a0aae1320ee47d9093fb6faf3e228df84deeeffd

SHA256
5bb3d14382eb8bff885d2b345995e7932d5de3424c3e6f2a9bf241a754a277ce

SHA512
271fa614c1b15a03d853867a145396a7418c8f3995d670fbe4a2a373e5d4d951cc31949b237a22eb5cb6095ed060a2d92623cd4075cf76f4e919b7c9d9267f43

Download Submit
memory/1636-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1636-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1732-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1732-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1732-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download