69f3193586d119364856974fa6b380eb7ee4806c1505a28cb4007379155edba6

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 06:00

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General

Target

2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe
Size

126KB
MD5

6a965c16e9013fff58f304996521f95a
SHA1

11cad48ec0dd9bba2e9e2599c60bbea71402457a
SHA256

69f3193586d119364856974fa6b380eb7ee4806c1505a28cb4007379155edba6
SHA512

d8b1ced8ca6d295d9eaf16ccfb63c43f9bc751d8e00cc66d0e3647aecaf0a3b3a03ec43abfd04266a4afb9c38ef1a168c9abbaa9b08d68aae6ef96be71f062bc
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LITd:vCjsIOtEvwDpj5H9YvQd2RU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012258-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012258-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3036	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2156	2024-04-15_6a965c16e9013fff58f304996521f95a_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 2156 wrote to memory of 3036	2156	2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe	28
PID 2156 wrote to memory of 3036	2156	2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe	28
PID 2156 wrote to memory of 3036	2156	2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe	28
PID 2156 wrote to memory of 3036	2156	2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_6a965c16e9013fff58f304996521f95a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3036

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
127KB

MD5
e5eb837293e0359f22c96b9c81b48621

SHA1
334c8eac903ff0a32f0634746bdef940e539351d

SHA256
c040238a6c83ee9faa7f2a8f458f56afb8594a2d46efc577de9a9dd475c415b4

SHA512
04638b47099c1ba226b587ceafce9b6a7b0b6515f7a86c1292e15d0a0d692c3d5d8914592b641b46c46485e558ad730b9cdc0f935371840a1ca90c2fdbe59c15

Download Submit
memory/2156-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2156-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2156-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3036-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3036-17-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download