9b99ecd38d744da4b2f27fe895741a37ee8a1796eb7a5a317c6d43147c7798d8

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 19:01

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General

Target

2024-02-18_86ca760a66462ac35ef12072fb569e60_cryptolocker.exe
Size

55KB
MD5

86ca760a66462ac35ef12072fb569e60
SHA1

6b14f66041d06dd695cc863cd69403a0ec582860
SHA256

9b99ecd38d744da4b2f27fe895741a37ee8a1796eb7a5a317c6d43147c7798d8
SHA512

c0472b828d84aa1ba293fb5a4422996e6a232da2fae3505714e0b17d45a3e65af8b9abeac552fd08261a3e9f09e793d17363751fe9970bb06031c8fbee8f415c
SSDEEP

1536:vj+jsMQMOtEvwDpj5HH1nw73KOFsiM3Jh:vCjsIOtEvwDpj5Hp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012242-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012242-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2484	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2440	2024-02-18_86ca760a66462ac35ef12072fb569e60_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 2440 wrote to memory of 2484	2440	2024-02-18_86ca760a66462ac35ef12072fb569e60_cryptolocker.exe	28
PID 2440 wrote to memory of 2484	2440	2024-02-18_86ca760a66462ac35ef12072fb569e60_cryptolocker.exe	28
PID 2440 wrote to memory of 2484	2440	2024-02-18_86ca760a66462ac35ef12072fb569e60_cryptolocker.exe	28
PID 2440 wrote to memory of 2484	2440	2024-02-18_86ca760a66462ac35ef12072fb569e60_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_86ca760a66462ac35ef12072fb569e60_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_86ca760a66462ac35ef12072fb569e60_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2484

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
9f4178a3dedcd2ce461b45d21f6b8d4b

SHA1
c60c91b681d9ec542adaed2568f23fb91cd7bdd3

SHA256
1a6a264e8b34273d260771d63581ab538b96664da21350e377e7e8845c73da60

SHA512
e02ceb790ecdf4d79d59b6f65cf3b641b9a62c128283f587d4682e80869994bf0bdf07af04c8b467a5d1db22b4471356b56fbf143c9b586e032a0586eed4119e

Download Submit
memory/2440-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2440-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2440-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2484-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2484-17-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download