snakekeylogger | 3badbaff81cbfede25404376a04a6a1504ac3148bc2bfdfd6e6bf441b2a40373

General

Target

Halkbank Ekstresi.pdf.exe
Size

1021KB
MD5

46105f278f88316cb3a1f602732a29ec
SHA1

840332cc7cd500f908c2c30cb1a895989c5ca2bb
SHA256

3badbaff81cbfede25404376a04a6a1504ac3148bc2bfdfd6e6bf441b2a40373
SHA512

72d65134807a89d286dcfbb4d74e43889906ff5c0f749847a6e753ede5e4f8a509f6740a71fafe48bfb0bb29724c4dbf3dc5178d06a46e5643cdc68e3b244e0e
SSDEEP

24576:Yu6J33O0c+JY5UZ+XC0kGso6FaJETuWKLNXWY:Su0c++OCvkGs9Fa3WKcY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.argeotomasyon.com.tr
Port:
587
Username:
[email protected]
Password:
P@ss135246m
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
behavioral1/memory/2872-12-0x0000000000400000-0x0000000000426000-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-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
18	reallyfreegeoip.org
19	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4808 set thread context of 2872	4808	Halkbank Ekstresi.pdf.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1812	4808	WerFault.exe	84

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	Halkbank Ekstresi.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2872	RegSvcs.exe
2872	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4808	Halkbank Ekstresi.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4808	Halkbank Ekstresi.pdf.exe
4808	Halkbank Ekstresi.pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4808	Halkbank Ekstresi.pdf.exe
4808	Halkbank Ekstresi.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 2872	4808	Halkbank Ekstresi.pdf.exe	89
PID 4808 wrote to memory of 2872	4808	Halkbank Ekstresi.pdf.exe	89
PID 4808 wrote to memory of 2872	4808	Halkbank Ekstresi.pdf.exe	89
PID 4808 wrote to memory of 2872	4808	Halkbank Ekstresi.pdf.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstresi.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstresi.pdf.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:4808
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstresi.pdf.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:2872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 680
  2⤵
  - Program crash
  PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4808 -ip 4808
1⤵
PID:4100

Network

MITRE ATT&CK Enterprise v16

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/2872-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2872-13-0x00000000742CE000-0x00000000742CF000-memory.dmp

Filesize
4KB

Download
memory/2872-14-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/2872-15-0x0000000005650000-0x00000000056EC000-memory.dmp

Filesize
624KB

Download
memory/2872-16-0x00000000742C0000-0x0000000074A70000-memory.dmp

Filesize
7.7MB

Download
memory/2872-17-0x0000000006850000-0x00000000068A0000-memory.dmp

Filesize
320KB

Download
memory/2872-18-0x00000000742CE000-0x00000000742CF000-memory.dmp

Filesize
4KB

Download
memory/2872-19-0x0000000006A70000-0x0000000006C32000-memory.dmp

Filesize
1.8MB

Download
memory/2872-20-0x0000000006940000-0x00000000069D2000-memory.dmp

Filesize
584KB

Download
memory/2872-21-0x00000000068D0000-0x00000000068DA000-memory.dmp

Filesize
40KB

Download
memory/2872-22-0x00000000742C0000-0x0000000074A70000-memory.dmp

Filesize
7.7MB

Download
memory/4808-11-0x0000000000B70000-0x0000000000F70000-memory.dmp

Filesize
4.0MB

Download

Analysis

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