snakekeylogger | 470a1d3d3cb732501469847aa36aac5fe9e235507989299d6f6fdc89889dfef8

General

Target

VSP469620.exe
Size

996KB
MD5

426faf44dbe98c8a45deb9f64bd25578
SHA1

5cd6e8159d2fde3937385f096713e5d6fb5a9021
SHA256

470a1d3d3cb732501469847aa36aac5fe9e235507989299d6f6fdc89889dfef8
SHA512

555dac08b0a4f9e31d46fc8b0006da7fb4ccba839d78f02ee155261e24c3c1dba3fc7746d1fe17b5ef3f06946c911c5200f2c668cb2c10edd9aafec8b9cacd04
SSDEEP

12288:Etb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgat7U7mublf784ZRsO6A:Etb20pkaCqT5TBWgNQ7aBy784ZWO6A

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7591642187:AAF3F6-zxp3HwWsP9s4_QJW4W-aEGhjsvDI/sendMessage?chat_id=6557702940

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2376-7-0x0000000000410000-0x0000000000436000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3764 set thread context of 2376	3764	VSP469620.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4488	3764	WerFault.exe	82

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	VSP469620.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2376	RegSvcs.exe
2376	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3764	VSP469620.exe
3764	VSP469620.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 2376	3764	VSP469620.exe	83
PID 3764 wrote to memory of 2376	3764	VSP469620.exe	83
PID 3764 wrote to memory of 2376	3764	VSP469620.exe	83
PID 3764 wrote to memory of 2376	3764	VSP469620.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\VSP469620.exe
"C:\Users\Admin\AppData\Local\Temp\VSP469620.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\VSP469620.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:2376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 652
  2⤵
  - Program crash
  PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3764 -ip 3764
1⤵
PID:4500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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/2376-7-0x0000000000410000-0x0000000000436000-memory.dmp

Filesize
152KB

Download
memory/2376-8-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/2376-9-0x0000000004F80000-0x0000000005524000-memory.dmp

Filesize
5.6MB

Download
memory/2376-10-0x0000000004A70000-0x0000000004B0C000-memory.dmp

Filesize
624KB

Download
memory/2376-11-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/2376-12-0x0000000005DC0000-0x0000000005E10000-memory.dmp

Filesize
320KB

Download
memory/2376-13-0x0000000005FE0000-0x00000000061A2000-memory.dmp

Filesize
1.8MB

Download
memory/2376-14-0x0000000005EB0000-0x0000000005F42000-memory.dmp

Filesize
584KB

Download
memory/2376-15-0x0000000005E40000-0x0000000005E4A000-memory.dmp

Filesize
40KB

Download
memory/2376-16-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/2376-17-0x0000000074B80000-0x0000000075330000-memory.dmp

Filesize
7.7MB

Download
memory/3764-6-0x0000000000D80000-0x0000000001180000-memory.dmp

Filesize
4.0MB

Download

Analysis

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