9d43e37bc95890448f1646bdce75ec8ac990c3900173946ba07968882ae139f3

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28/04/2024, 11:27

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General

Target

2024-04-28_e580036ffb0dc859eff1d96a597c2d82_cryptolocker.exe
Size

127KB
MD5

e580036ffb0dc859eff1d96a597c2d82
SHA1

0d21b508a0337cf0d7f8273fa222ef4fb905bde4
SHA256

9d43e37bc95890448f1646bdce75ec8ac990c3900173946ba07968882ae139f3
SHA512

d62e93842c6a28681f6bfd814bd2372bd3a61c41105ba3fbd5170318d50548649215a2266634cc67c7d6e47547becb5f09b6959b08bf63b7fb0801cc2b0d2222
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LITr:vCjsIOtEvwDpj5H9YvQd2R+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014713-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014713-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2724	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	2024-04-28_e580036ffb0dc859eff1d96a597c2d82_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 1688 wrote to memory of 2724	1688	2024-04-28_e580036ffb0dc859eff1d96a597c2d82_cryptolocker.exe	28
PID 1688 wrote to memory of 2724	1688	2024-04-28_e580036ffb0dc859eff1d96a597c2d82_cryptolocker.exe	28
PID 1688 wrote to memory of 2724	1688	2024-04-28_e580036ffb0dc859eff1d96a597c2d82_cryptolocker.exe	28
PID 1688 wrote to memory of 2724	1688	2024-04-28_e580036ffb0dc859eff1d96a597c2d82_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-28_e580036ffb0dc859eff1d96a597c2d82_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_e580036ffb0dc859eff1d96a597c2d82_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2724

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
127KB

MD5
1ccf8921d4c141c95deab399864ea84e

SHA1
77c9a76ae2fe8b0d1b5f7cac4c2dca3a41979c27

SHA256
c9bdec403c17e62513ea90931f40b5ae8322df0a18b82d4f98471ec135f4b2d4

SHA512
9437932272770abee474b8b5457b24289dd26aca71179750bfcd6cdffd951af9b471281f5159624db6056b0cd6b5cb1ba6935768c3e02ff79cc9da39172d23c8

Download Submit
memory/1688-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1688-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1688-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2724-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2724-22-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download