b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 06:44

Target

b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.exe
Size

1.6MB
MD5

62441130977bc3332359b90ffa1b3afe
SHA1

36414a382b8dd4539db812b31896b28469a51416
SHA256

b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9
SHA512

d2ed93a617156755d45a46a4298f42bdabd1b7f0247342333e0f9127cc38ee1dca972df7681e7c2748acac4d47474954d97dbfe4ee02601947f276bbb96bc157
SSDEEP

24576:S2BbEKosPAZ3ZOOKfs6NL0CpszqtPUfRQI5n5PmSGj69bA5rV4Yihe5Cpnj:zbz183QRNLTeqU9PGjebA5rOYiZnj

Score

8^/10

Executes dropped EXE 1 IoCs

pid	Process
4168	b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4168	b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp
4168	b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp
4168	b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp
4168	b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 4168	1340	b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.exe	83
PID 1340 wrote to memory of 4168	1340	b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.exe	83
PID 1340 wrote to memory of 4168	1340	b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.exe	83

C:\Users\Admin\AppData\Local\Temp\b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.exe
"C:\Users\Admin\AppData\Local\Temp\b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\is-MFCM5.tmp\b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MFCM5.tmp\b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp" /SL5="$B01B6,987588,70144,C:\Users\Admin\AppData\Local\Temp\b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:4168

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Local\Temp\is-MFCM5.tmp\b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MFCM5.tmp\b71a013f04b92bb2c5ef02568b4af95be7798e9eb48abe9d06c78d3c3c406ae9.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
memory/1340-132-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1340-134-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1340-138-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download