snakekeylogger | 7ef09922582a622f7333d2987d63efc14ecc000a51e160b808dd9520c31f771c

General

Target

ZiraatBankasiSwiftMesaji.exe
Size

540KB
MD5

676813934849b161d6dfd5062536318f
SHA1

de400cd5edbf8cb741691f13c338744842c0f1a2
SHA256

7ef09922582a622f7333d2987d63efc14ecc000a51e160b808dd9520c31f771c
SHA512

0325329d32778625583254222a014c3d9cee7c132c5ecdb132e3fcb0adc97345f9632ded15b294800666a67648d84470b01a564fb234997320f1e6ddab46706e
SSDEEP

6144:+6ej0DdEWMhO7ZiDBqOV2eR05OvP7jXXgC/MVgWJNYRy7nKx9hO+w7wHQ3SZfTUP:+69EWKq6ucPp0VhJvTKviaxoZ

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.emmioglu.com
Port:
587
Username:
[email protected]
Password:
Kaya2758+

C2

https://api.telegram.org/bot7793181644:AAGZi9EwhHz_7_W-P3o6zCi0LNG3DYUolRk/sendMessage?chat_id=1645099110

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2948-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZiraatBankasiSwiftMesaji.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZiraatBankasiSwiftMesaji.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZiraatBankasiSwiftMesaji.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 4108 set thread context of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2948	ZiraatBankasiSwiftMesaji.exe
2948	ZiraatBankasiSwiftMesaji.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	ZiraatBankasiSwiftMesaji.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81
PID 4108 wrote to memory of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81
PID 4108 wrote to memory of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81
PID 4108 wrote to memory of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81
PID 4108 wrote to memory of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81
PID 4108 wrote to memory of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81
PID 4108 wrote to memory of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81
PID 4108 wrote to memory of 2948	4108	ZiraatBankasiSwiftMesaji.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZiraatBankasiSwiftMesaji.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZiraatBankasiSwiftMesaji.exe

C:\Users\Admin\AppData\Local\Temp\ZiraatBankasiSwiftMesaji.exe
"C:\Users\Admin\AppData\Local\Temp\ZiraatBankasiSwiftMesaji.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Users\Admin\AppData\Local\Temp\ZiraatBankasiSwiftMesaji.exe
  "C:\Users\Admin\AppData\Local\Temp\ZiraatBankasiSwiftMesaji.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:2948

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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2948-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2948-16-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/2948-14-0x0000000006CA0000-0x0000000006E62000-memory.dmp

Filesize
1.8MB

Download
memory/2948-13-0x0000000006A80000-0x0000000006AD0000-memory.dmp

Filesize
320KB

Download
memory/2948-11-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/2948-10-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4108-8-0x0000000005C90000-0x0000000005C98000-memory.dmp

Filesize
32KB

Download
memory/4108-7-0x0000000005D80000-0x0000000005E1C000-memory.dmp

Filesize
624KB

Download
memory/4108-0-0x000000007522E000-0x000000007522F000-memory.dmp

Filesize
4KB

Download
memory/4108-6-0x0000000005C80000-0x0000000005C8A000-memory.dmp

Filesize
40KB

Download
memory/4108-5-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4108-4-0x0000000005AA0000-0x0000000005AF6000-memory.dmp

Filesize
344KB

Download
memory/4108-12-0x000000007522E000-0x000000007522F000-memory.dmp

Filesize
4KB

Download
memory/4108-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

Filesize
584KB

Download
memory/4108-2-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/4108-15-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4108-1-0x0000000000F60000-0x0000000000FEE000-memory.dmp

Filesize
568KB

Download

Analysis

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