69d195dacdbe21916378defdf0ec9c3b98ab5794a9a3b13f8adcb7e1c709b9fc

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
19-06-2024 15:52

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General

Target

2024-06-19_ee73f47281164d35ef9d557011d42afc_cryptolocker.exe
Size

41KB
MD5

ee73f47281164d35ef9d557011d42afc
SHA1

d9ec411c9b6cd7a03aa35daeedf423c6f061410f
SHA256

69d195dacdbe21916378defdf0ec9c3b98ab5794a9a3b13f8adcb7e1c709b9fc
SHA512

02e4d217ed213f0173b98c02b3eb9671ac3f6b91ec0f15519befe4e4980fcc2ec394829131b2a6777c20ffe61c2edf42a1a1356ef27f2648dcedfcb4cb0d517f
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDb7x7:ZzFbxmLPWQMOtEvwDpjLeJAsKcb79

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000141a2-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3060	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	2024-06-19_ee73f47281164d35ef9d557011d42afc_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 2392 wrote to memory of 3060	2392	2024-06-19_ee73f47281164d35ef9d557011d42afc_cryptolocker.exe	28
PID 2392 wrote to memory of 3060	2392	2024-06-19_ee73f47281164d35ef9d557011d42afc_cryptolocker.exe	28
PID 2392 wrote to memory of 3060	2392	2024-06-19_ee73f47281164d35ef9d557011d42afc_cryptolocker.exe	28
PID 2392 wrote to memory of 3060	2392	2024-06-19_ee73f47281164d35ef9d557011d42afc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-19_ee73f47281164d35ef9d557011d42afc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-19_ee73f47281164d35ef9d557011d42afc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3060

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
42KB

MD5
d7ba3df0a8d0ec0deefff1835676d306

SHA1
c2957b5b73ddd9e77cca76e0e718da868e277886

SHA256
662badf9b810b1671dc03ced89865ef924d23910a4227ca5d8ee4fd60dd9fec0

SHA512
9d48e970ec3c22d3d00eefa56192d846449b1ffd321d98e4e4936876aeec43b608878cd956dcfd4b12250dba7536c8908da9267abbc15cbd0053bb7450e976c4

Download Submit
memory/2392-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2392-0-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/2392-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2392-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3060-16-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3060-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3060-23-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/3060-25-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download