dfa47b7238f804ccfe5a95293f32611686fc4d578d877f3f7063998e04d1cd3b

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17/06/2024, 03:25

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General

Target

2024-06-17_83728ae676e47df90350c2bf734d05e2_cryptolocker.exe
Size

87KB
MD5

83728ae676e47df90350c2bf734d05e2
SHA1

0f875149c3a5757ec3a666f7ba42c07c47865d64
SHA256

dfa47b7238f804ccfe5a95293f32611686fc4d578d877f3f7063998e04d1cd3b
SHA512

aa97f26d16cb544273ccf28cfeda7b67147bedfb1bc1874f41e20acc9c1366892255dc8eaa19619fadd3586d2c8dd67349a2161a6d0edc5ed8fb5a6851117fc1
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBlc:vCjsIOtEvwDpj5H9YvQd2q

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000141a1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000141a1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2676	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1708	2024-06-17_83728ae676e47df90350c2bf734d05e2_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 1708 wrote to memory of 2676	1708	2024-06-17_83728ae676e47df90350c2bf734d05e2_cryptolocker.exe	28
PID 1708 wrote to memory of 2676	1708	2024-06-17_83728ae676e47df90350c2bf734d05e2_cryptolocker.exe	28
PID 1708 wrote to memory of 2676	1708	2024-06-17_83728ae676e47df90350c2bf734d05e2_cryptolocker.exe	28
PID 1708 wrote to memory of 2676	1708	2024-06-17_83728ae676e47df90350c2bf734d05e2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-17_83728ae676e47df90350c2bf734d05e2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-17_83728ae676e47df90350c2bf734d05e2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2676

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
88KB

MD5
cd9ab2e92dc98ea5169ffa077b4a420c

SHA1
d0c70ba7f0b7131f56acc74682aa9d7c0264549f

SHA256
b670288ebf0040b8e54d3a5798f3c2d87af1b258c3782e1aa9bd48394d59ab82

SHA512
7c012b57161d8ca6d87891f1a7769130db5d270227e44722d49f0d3767d30498fb22554128cedfb11a7f010f1b95508624994bac5dfc25ec4c6c2343e83b920c

Download Submit
memory/1708-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1708-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1708-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2676-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download