snakekeylogger | 31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3

General

Target

31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe
Size

768KB
MD5

f30d3f2bd394561f2b92d2f27a9ccb77
SHA1

4fa937965d2c736480deff512460851f222516f6
SHA256

31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3
SHA512

a634adfadf418f8c1d85b02090854d2655426dd146b5d9430da239d607d367fc8b4de17e2f1c7844aa0fc258119efee2f15749bf7622ee8e77267469ef4f6ce9
SSDEEP

12288:CsHzOUNUSB/o5LsI1uwajJ5yvv1l2yPj2PrzrECC7DlkxcB:ViUmSB/o5d1ubcvhPKTzrECekSB

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.decoriumtel.top
Port:
587
Username:
[email protected]
Password:
5+H*kQ{nwfUf

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.decoriumtel.top
Port:
587
Username:
[email protected]
Password:
5+H*kQ{nwfUf

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3656-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2448-0-0x00000000001A0000-0x000000000034C000-memory.dmp	upx
behavioral2/memory/2448-15-0x00000000001A0000-0x000000000034C000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
14	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2448-15-0x00000000001A0000-0x000000000034C000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 3656	2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3656	RegSvcs.exe
3656	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe
2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe
2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe
2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe
2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 3656	2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe	86
PID 2448 wrote to memory of 3656	2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe	86
PID 2448 wrote to memory of 3656	2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe	86
PID 2448 wrote to memory of 3656	2448	31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe
"C:\Users\Admin\AppData\Local\Temp\31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\31cb9f5772c67c4b6a107fa6d6a3b04a7ae6dc11fd8dbbaf5612551be7c76ea3.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2448-15-0x00000000001A0000-0x000000000034C000-memory.dmp

Filesize
1.7MB

Download
memory/2448-12-0x0000000001D40000-0x0000000001D44000-memory.dmp

Filesize
16KB

Download
memory/2448-0-0x00000000001A0000-0x000000000034C000-memory.dmp

Filesize
1.7MB

Download
memory/3656-18-0x0000000005770000-0x000000000580C000-memory.dmp

Filesize
624KB

Download
memory/3656-16-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/3656-17-0x0000000005C80000-0x0000000006224000-memory.dmp

Filesize
5.6MB

Download
memory/3656-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3656-19-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/3656-20-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/3656-21-0x0000000006B60000-0x0000000006D22000-memory.dmp

Filesize
1.8MB

Download
memory/3656-22-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/3656-23-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/3656-24-0x0000000006A30000-0x0000000006AC2000-memory.dmp

Filesize
584KB

Download
memory/3656-25-0x00000000069C0000-0x00000000069CA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads