snakekeylogger | 16af384eca2c8c55cc2934d683e5101586e80902c7f69e28c9bd1db3987322d3

General

Target

Halkbank_Ekstre_25112024 _073809_405251.exe
Size

1.0MB
MD5

15b489f5d4c7152c336fec12e1dfc198
SHA1

962c671df0f905f280dfb71f5cb66194e664d03b
SHA256

16af384eca2c8c55cc2934d683e5101586e80902c7f69e28c9bd1db3987322d3
SHA512

5698e6477c8a6fb172ee8332fea1b944b884d8490deda6d6d8a6f468c4ad7234a8d80bf151438512e1c25b8c102438d6595faec41da8cee0d0c876b0d076c1a7
SSDEEP

24576:Ptb20pkaCqT5TBWgNQ7a3VZuYosnRs6A:MVg5tQ7a3VZuXsn25

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8105461233:AAGikrL-FY3clQOY-lg3KOIDOXSLgX28_TU/sendMessage?chat_id=6147266367

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2236-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2236-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2236-8-0x0000000000400000-0x0000000000426000-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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Halkbank_Ekstre_25112024 _073809_405251.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2236	RegSvcs.exe
2236	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2340	Halkbank_Ekstre_25112024 _073809_405251.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.exe	30
PID 2340 wrote to memory of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.exe	30
PID 2340 wrote to memory of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.exe	30
PID 2340 wrote to memory of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.exe	30
PID 2340 wrote to memory of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.exe	30
PID 2340 wrote to memory of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.exe	30
PID 2340 wrote to memory of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.exe	30
PID 2340 wrote to memory of 2236	2340	Halkbank_Ekstre_25112024 _073809_405251.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_25112024 _073809_405251.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_25112024 _073809_405251.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_25112024 _073809_405251.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:2236

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/2236-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2236-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2236-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2236-12-0x0000000073BDE000-0x0000000073BDF000-memory.dmp

Filesize
4KB

Download
memory/2236-13-0x0000000073BD0000-0x00000000742BE000-memory.dmp

Filesize
6.9MB

Download
memory/2236-14-0x0000000073BDE000-0x0000000073BDF000-memory.dmp

Filesize
4KB

Download
memory/2236-15-0x0000000073BD0000-0x00000000742BE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-6-0x0000000000910000-0x0000000000D10000-memory.dmp

Filesize
4.0MB

Download

Analysis

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