raccoon | c91e2df02ad2c8ccadc96054bceee4422382caa62d443e2633a003e4ce5c7476

General

Target
c7f6e7.exe
Size 496KB
Sample200902-83fyxph2ba
SHA256 c91e2df02ad2c8ccadc96054bceee4422382caa62d443e2633a003e4ce5c7476
MD5 03956e61a60d13b50142b39ae86daef9
SHA1 33213c17c18e89b13a5bfe6f5ac93fec18b19918
SHA512 a948adf8cefa1b25425f5e48107bb020d302c01f8568ac4b8dc327290aa6064249a20f67d19a82752bfd4bd85f2c7032f364fa11677a11b751fe8723ac2a4aa9
MD5 SHA1 SHA512

Score

10^/10

ransomware stealer raccoon spyware discovery

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

raccoon

Ransom Note

[Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Mon Jul 6 14:33:03 2020 Launched at: 2020.09.02 - 00:40:45 GMT Bot_ID: 664A9041-4AC4-46F3-B3DC-87DB4D57890E_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 5 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.51 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: GOHCSFBB - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (729 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Signatures

Raccoon
Simple but powerful infostealer which was very active in 2019.
stealer raccoon

Raccoon log file 1 IoCs

Detects a log file produced by the Raccoon Stealer.

yara_rule
raccoon_log_file

Loads dropped DLL 8 IoCs

pid	Process
3900	c7f6e7.exe
3900	c7f6e7.exe
3900	c7f6e7.exe
3900	c7f6e7.exe
3900	c7f6e7.exe
3900	c7f6e7.exe
3900	c7f6e7.exe
3900	c7f6e7.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

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

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

JavaScript code in executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000100000001ad97-3.dat	js

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2244	timeout.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 24247bafc180d601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3328	svchost.exe
Token: SeCreatePagefilePrivilege	3328	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3900 wrote to memory of 2560	3900	c7f6e7.exe	75
PID 3900 wrote to memory of 2560	3900	c7f6e7.exe	75
PID 3900 wrote to memory of 2560	3900	c7f6e7.exe	75
PID 2560 wrote to memory of 2244	2560	cmd.exe	77
PID 2560 wrote to memory of 2244	2560	cmd.exe	77
PID 2560 wrote to memory of 2244	2560	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\c7f6e7.exe
"C:\Users\Admin\AppData\Local\Temp\c7f6e7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3900
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\c7f6e7.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\SysWOW64\timeout.exe
    timeout /T 10 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:2244

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3328

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

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3900-0-0x0000000000B83000-0x0000000000B84000-memory.dmp

Download

memory/3900-1-0x0000000001100000-0x0000000001101000-memory.dmp