e1cad76590afcd7d45cc8259fe6def9b52df5716f7118453e2f92d51479ecdf1

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-02-2024 23:26

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General

Target

2024-02-18_30200bce3174ec89ffb9fa8c912cfcb8_cryptolocker.exe
Size

55KB
MD5

30200bce3174ec89ffb9fa8c912cfcb8
SHA1

51dad2c77895038cbf583acdbe2519470215da0d
SHA256

e1cad76590afcd7d45cc8259fe6def9b52df5716f7118453e2f92d51479ecdf1
SHA512

539782cc89c3bade1895f3501deecb321c038ebd4ec2d5b67f379370c913dd1a6f50a762cf11b403cf0b083fa07a6a4745a430f80d7580fc4467f762d921a5c2
SSDEEP

1536:vj+jsMQMOtEvwDpj5HH1nw73KOFsiM3JD:vCjsIOtEvwDpj5Hb

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122fe-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122fe-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1640	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2272	2024-02-18_30200bce3174ec89ffb9fa8c912cfcb8_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 2272 wrote to memory of 1640	2272	2024-02-18_30200bce3174ec89ffb9fa8c912cfcb8_cryptolocker.exe	28
PID 2272 wrote to memory of 1640	2272	2024-02-18_30200bce3174ec89ffb9fa8c912cfcb8_cryptolocker.exe	28
PID 2272 wrote to memory of 1640	2272	2024-02-18_30200bce3174ec89ffb9fa8c912cfcb8_cryptolocker.exe	28
PID 2272 wrote to memory of 1640	2272	2024-02-18_30200bce3174ec89ffb9fa8c912cfcb8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_30200bce3174ec89ffb9fa8c912cfcb8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_30200bce3174ec89ffb9fa8c912cfcb8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1640

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
55KB

MD5
dcbadc96e3600fcbdd3a36a72967e59d

SHA1
815c05e937a0df02b1afe15cb31f0bd58586799e

SHA256
38d087664ce412b4eca67a9b3eb8c257f2e909b3de9b409b1fa24a8b045b02bb

SHA512
e4aefe5e1bcb511f18aad6b67f7dfb22172a6c48b65172a0c5bf9426f8886d47100c617f863dcf1789cebe26aea29f61c79db959099c77a118382ccbe9ea7776

Download Submit
memory/1640-15-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1640-22-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2272-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2272-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2272-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download