snakekeylogger | 1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364

General

Target

1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe
Size

931KB
MD5

58ff14d476f2bbaab31b12587c09559e
SHA1

ea9c7ce65a67f2a2d4e1ca4a2c3ac6785021fc94
SHA256

1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364
SHA512

a75d4bd80620a9441783131812780397fb0c3b1c6d6b9147d65ece23d9cc9384c148f6c491794cfbc012c290e3266e06a76357b84141b843929a295c2649613a
SSDEEP

24576:ffmMv6Ckr7Mny5QLiFrZo5cPsD+tOM5m4dxEMP:f3v+7/5QLiFrZycPBOP6Eg

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.purityontap.com
Port:
587
Username:
[email protected]
Password:
mail55
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2604-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4664 set thread context of 2604	4664	1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe	82

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

System Information Discovery
T1082

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2604	RegSvcs.exe
2604	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4664	1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 2604	4664	1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe	82
PID 4664 wrote to memory of 2604	4664	1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe	82
PID 4664 wrote to memory of 2604	4664	1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe	82
PID 4664 wrote to memory of 2604	4664	1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe
"C:\Users\Admin\AppData\Local\Temp\1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\1640e87780b219eba703c734e68b0f5cf793bc94fe0cdf9121658d12bb1f9364.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:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2604-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2604-4-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2604-5-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/2604-6-0x0000000005590000-0x000000000562C000-memory.dmp

Filesize
624KB

Download
memory/2604-7-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/2604-8-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2604-9-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/2604-10-0x00000000010C0000-0x0000000001110000-memory.dmp

Filesize
320KB

Download
memory/2604-11-0x0000000006920000-0x0000000006AE2000-memory.dmp

Filesize
1.8MB

Download
memory/2604-12-0x0000000006750000-0x00000000067E2000-memory.dmp

Filesize
584KB

Download
memory/2604-13-0x0000000005570000-0x000000000557A000-memory.dmp

Filesize
40KB

Download
memory/4664-2-0x00000000040F0000-0x00000000042F0000-memory.dmp

Filesize
2.0MB

Download

Analysis

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