26c58ecb093ce166d04ce906b2b021a2d4a631633fba61462eb95bf64edb1f15

Analysis

max time kernel
142s
max time network
164s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 02:02

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General

Target

2024-03-12_f272313198cbb48ddf138d99a1b777a4_cryptolocker.exe
Size

37KB
MD5

f272313198cbb48ddf138d99a1b777a4
SHA1

a566ebc24d5d0d2cb19702fe8cb0e8483f0601e6
SHA256

26c58ecb093ce166d04ce906b2b021a2d4a631633fba61462eb95bf64edb1f15
SHA512

465142a20b4d5b84fdda206b744c10184aead3a53df783f07551811b0c539dcea4abe442fd63f4143398749a772fa5df2ccb28d0292a335e770d8e9f65b067f5
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAso:ZzFbxmLPWQMOtEvwDpjLeJAso

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012245-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2556	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2304	2024-03-12_f272313198cbb48ddf138d99a1b777a4_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 2304 wrote to memory of 2556	2304	2024-03-12_f272313198cbb48ddf138d99a1b777a4_cryptolocker.exe	28
PID 2304 wrote to memory of 2556	2304	2024-03-12_f272313198cbb48ddf138d99a1b777a4_cryptolocker.exe	28
PID 2304 wrote to memory of 2556	2304	2024-03-12_f272313198cbb48ddf138d99a1b777a4_cryptolocker.exe	28
PID 2304 wrote to memory of 2556	2304	2024-03-12_f272313198cbb48ddf138d99a1b777a4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_f272313198cbb48ddf138d99a1b777a4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_f272313198cbb48ddf138d99a1b777a4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2556

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\misid.exe

Filesize
37KB

MD5
4969194a05c912f2f05cfa921c867e21

SHA1
96c0b1ec6eb03c3aef37e1a7badcecced93964de

SHA256
e49fa2717c1eb06823aeab798a1166ad7084be1330ac19ebb9bfd2f624b3fb00

SHA512
059b36ee20d13ddcf9c55165953c6c0a6c3ddd08d8bd57519ec437b9867d19fce689198ed81802e1a688e267dbb47843ca0aab6ee1604cd27eab9d93c3770745

Download Submit
memory/2304-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2304-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2304-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2304-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2556-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2556-15-0x00000000003B0000-0x00000000003B3000-memory.dmp

Filesize
12KB

Download
memory/2556-24-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download