snakekeylogger | 9e41871b948b229ab4a4574e2b4cd3c300485663c2ca1b0cb9ab7c72ecff203c

General

Target

FATURA.exe
Size

996KB
MD5

f643d0ec3aaba77a445b1aa1c739a950
SHA1

595437518041ca8664eadfda9cc27ae854b21f9c
SHA256

61b26d074e24a041f6e63e815dea5337b13e128d50dd47b5e45c94873806d9d5
SHA512

1959f947c2dcff170bc6173683ba84cf7863835d589cafe24c45545f5a0eb6020fc7e37438abfd692a95b29dadb160f86d49cae1254a7c298bf4aa192ce74080
SSDEEP

12288:Wtb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaaTwgqpH86x6A:Wtb20pkaCqT5TBWgNQ7aqwgqB86x6A

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7525931722:AAHv5VReYz4Tdv44qTVu1nWYViZknndh3TU/sendMessage?chat_id=7361435574

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4700-7-0x00000000005C0000-0x00000000005E6000-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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3200 set thread context of 4700	3200	FATURA.exe	83

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4700	RegSvcs.exe
4700	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3200	FATURA.exe
3200	FATURA.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4700	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3200	FATURA.exe
3200	FATURA.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3200	FATURA.exe
3200	FATURA.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 4700	3200	FATURA.exe	83
PID 3200 wrote to memory of 4700	3200	FATURA.exe	83
PID 3200 wrote to memory of 4700	3200	FATURA.exe	83
PID 3200 wrote to memory of 4700	3200	FATURA.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\FATURA.exe
"C:\Users\Admin\AppData\Local\Temp\FATURA.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:3200
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\FATURA.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:4700

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

Replay Monitor

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Downloads

memory/3200-6-0x0000000001490000-0x0000000001890000-memory.dmp

Filesize
4.0MB

Download
memory/4700-7-0x00000000005C0000-0x00000000005E6000-memory.dmp

Filesize
152KB

Download
memory/4700-8-0x000000007361E000-0x000000007361F000-memory.dmp

Filesize
4KB

Download
memory/4700-9-0x00000000051F0000-0x0000000005794000-memory.dmp

Filesize
5.6MB

Download
memory/4700-10-0x0000000004C40000-0x0000000004CDC000-memory.dmp

Filesize
624KB

Download
memory/4700-11-0x0000000073610000-0x0000000073DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4700-12-0x0000000005DF0000-0x0000000005E40000-memory.dmp

Filesize
320KB

Download
memory/4700-13-0x0000000006010000-0x00000000061D2000-memory.dmp

Filesize
1.8MB

Download
memory/4700-14-0x0000000005EE0000-0x0000000005F72000-memory.dmp

Filesize
584KB

Download
memory/4700-15-0x0000000005EA0000-0x0000000005EAA000-memory.dmp

Filesize
40KB

Download
memory/4700-16-0x000000007361E000-0x000000007361F000-memory.dmp

Filesize
4KB

Download
memory/4700-17-0x0000000073610000-0x0000000073DC0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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