raccoon | f45b444b6e8d66dc8d97e8ec397a4ffbf1545bef57d783ec906d2c7695b25ac5

General

Target
39334f7bcc79560e4cba9026fcae6151.exe
Size 539KB
Sample211004-snkmaagfcp
SHA256 f45b444b6e8d66dc8d97e8ec397a4ffbf1545bef57d783ec906d2c7695b25ac5
MD5 39334f7bcc79560e4cba9026fcae6151
SHA1 eb95a578bb947f52bdf0b779b90f605c5a3277d3
SHA512 c4fc970ec0e46207002cd1785c391fda1b1b6b1eb53ae1179f54df02d172dd75fb4269b00f1586bc164f90a419330b6f3f43fa19a25e64e8722a32db4ce5184e
MD5 SHA1 SHA512

Score

10^/10

raccoon �!!9fe�b[_�� {��b1*`�`�bb�n�x�discovery spyware stealer suricata

Malware Config

Extracted

Family

raccoon

Botnet

�!!9FE�B[_�� {��b1*`�`�bB�n�x�

Attributes

url4cnc
�cb{K^�WXP�۸��fB:O�׬ Թ>8vc�k�h�`�?�I�%u+c��7Y�Q��c�}�J��趥-W�Hܾ'��ͩ�N�Q?��rX0��

rc4.plain

Signatures

Raccoon
Simple but powerful infostealer which was very active in 2019.
stealer raccoon
suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
suricata
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
suricata
Downloads MZ/PE file

Loads dropped DLL 6 IoCs

pid	Process
2160	39334f7bcc79560e4cba9026fcae6151.exe
2160	39334f7bcc79560e4cba9026fcae6151.exe
2160	39334f7bcc79560e4cba9026fcae6151.exe
2160	39334f7bcc79560e4cba9026fcae6151.exe
2160	39334f7bcc79560e4cba9026fcae6151.exe
2160	39334f7bcc79560e4cba9026fcae6151.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4068	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 3488	2160	39334f7bcc79560e4cba9026fcae6151.exe	70
PID 2160 wrote to memory of 3488	2160	39334f7bcc79560e4cba9026fcae6151.exe	70
PID 2160 wrote to memory of 3488	2160	39334f7bcc79560e4cba9026fcae6151.exe	70
PID 3488 wrote to memory of 4068	3488	cmd.exe	72
PID 3488 wrote to memory of 4068	3488	cmd.exe	72
PID 3488 wrote to memory of 4068	3488	cmd.exe	72

C:\Users\Admin\AppData\Local\Temp\39334f7bcc79560e4cba9026fcae6151.exe
"C:\Users\Admin\AppData\Local\Temp\39334f7bcc79560e4cba9026fcae6151.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\39334f7bcc79560e4cba9026fcae6151.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Windows\SysWOW64\timeout.exe
    timeout /T 10 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:4068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2160-116-0x0000000000400000-0x0000000000493000-memory.dmp

Download

memory/2160-115-0x0000000000710000-0x000000000079E000-memory.dmp