snakekeylogger | dcec737bd7054fd760bb193c4d59d99032b944f6f18efdec6a848ebd85873a70

General

Target

Ziraat Bankasi Swift Mesaji.exe
Size

808KB
MD5

b6a154427f75f2e0edc5da88b31f40d0
SHA1

df1ed239ce77f7ec87525967b225b5345a7f1b93
SHA256

dcec737bd7054fd760bb193c4d59d99032b944f6f18efdec6a848ebd85873a70
SHA512

bddf783c46d1d94c4bfe41c70932603fc6a584cdc414580d50728dfc7aff51b7b59bf1bb94d7ce5806aa088cc1983b4109088bfe4f7d85e3122997a010f53963
SSDEEP

12288:uQTf/hqcDnBPzmfJctxJFjbCtUySTmaEzHQv:TQ8mfmbJN8oFMQv

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 5 IoCs

resource	yara_rule
behavioral1/memory/2116-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2116-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2116-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2116-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2116-7-0x0000000000400000-0x0000000000426000-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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.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 1260 set thread context of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30

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	Ziraat Bankasi Swift Mesaji.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ziraat Bankasi Swift Mesaji.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2116	Ziraat Bankasi Swift Mesaji.exe
2116	Ziraat Bankasi Swift Mesaji.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	Ziraat Bankasi Swift Mesaji.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30
PID 1260 wrote to memory of 2116	1260	Ziraat Bankasi Swift Mesaji.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe

C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
  "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.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:2116

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/1260-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/1260-1-0x0000000001230000-0x0000000001300000-memory.dmp

Filesize
832KB

Download
memory/1260-2-0x00000000002E0000-0x0000000000336000-memory.dmp

Filesize
344KB

Download
memory/1260-4-0x00000000004E0000-0x00000000004E8000-memory.dmp

Filesize
32KB

Download
memory/1260-3-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/1260-19-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/1260-18-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2116-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2116-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-16-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-17-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2116-20-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-21-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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