snakekeylogger | 17baa89155bed6a28e6051b219fac2d6e38099225c1e4a9ecd3e3e34d237e32e

General

Target

e-dekont.exe
Size

1.1MB
MD5

de3d16ec947654cf3c1e339110db19aa
SHA1

46a2ae8cb82b6c7c56637a64d61634b246df9410
SHA256

17baa89155bed6a28e6051b219fac2d6e38099225c1e4a9ecd3e3e34d237e32e
SHA512

981d3d9f41b8fcafb4baa5887ba558a9e7e70057a76d74847f74ec911ee07db664c5d674d306dad1f34b2dcf60d446926da547064112d2d35c22706af8627fb9
SSDEEP

24576:mRmJkcoQricOIQxiZY1iaI9tlvgLMjBWqxdhKL0u:jJZoQrbTFZY1iaI/NzBWqThKLJ

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7541499630:AAESy1nWQ4poIra9UxdBRC70wQqWdJNny3U/sendMessage?chat_id=6557702940

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1692-3-0x0000000000600000-0x0000000000626000-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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 624 set thread context of 1692	624	e-dekont.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1824	624	WerFault.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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e-dekont.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1692	RegSvcs.exe
1692	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
624	e-dekont.exe
624	e-dekont.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
624	e-dekont.exe
624	e-dekont.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
624	e-dekont.exe
624	e-dekont.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 1692	624	e-dekont.exe	87
PID 624 wrote to memory of 1692	624	e-dekont.exe	87
PID 624 wrote to memory of 1692	624	e-dekont.exe	87
PID 624 wrote to memory of 1692	624	e-dekont.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e-dekont.exe
"C:\Users\Admin\AppData\Local\Temp\e-dekont.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:624
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\e-dekont.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:1692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 752
  2⤵
  - Program crash
  PID:1824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 624 -ip 624
1⤵
PID:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/624-2-0x0000000003FF0000-0x00000000041F0000-memory.dmp

Filesize
2.0MB

Download
memory/1692-3-0x0000000000600000-0x0000000000626000-memory.dmp

Filesize
152KB

Download
memory/1692-4-0x0000000073E4E000-0x0000000073E4F000-memory.dmp

Filesize
4KB

Download
memory/1692-5-0x00000000051A0000-0x0000000005744000-memory.dmp

Filesize
5.6MB

Download
memory/1692-6-0x0000000004C90000-0x0000000004D2C000-memory.dmp

Filesize
624KB

Download
memory/1692-7-0x0000000073E40000-0x00000000745F0000-memory.dmp

Filesize
7.7MB

Download
memory/1692-8-0x0000000073E4E000-0x0000000073E4F000-memory.dmp

Filesize
4KB

Download
memory/1692-9-0x0000000073E40000-0x00000000745F0000-memory.dmp

Filesize
7.7MB

Download
memory/1692-10-0x0000000005FB0000-0x0000000006000000-memory.dmp

Filesize
320KB

Download
memory/1692-11-0x00000000061D0000-0x0000000006392000-memory.dmp

Filesize
1.8MB

Download
memory/1692-12-0x00000000060A0000-0x0000000006132000-memory.dmp

Filesize
584KB

Download
memory/1692-13-0x0000000006030000-0x000000000603A000-memory.dmp

Filesize
40KB

Download

Analysis

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