snakekeylogger | d5fc860d01e3c7e3a46a4cbb98f8c654e7533f4ecfb25218c00f4bac9061f6c8

General

Target

z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe
Size

745KB
MD5

6fda43cabb3f068d38bc6bc1de5990b4
SHA1

d5e4f33e9957ac4bf91d757106708fb94f92d91d
SHA256

d5fc860d01e3c7e3a46a4cbb98f8c654e7533f4ecfb25218c00f4bac9061f6c8
SHA512

6a299357ce6d1d96661377c57b9279a5d31d26323c507f1a54a6a54cf57bd22fce3f91b5f7c6d6edb72999f6785b548f513f7460e8c99c672c01f85798fb7c26
SSDEEP

12288:ehkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aCbVpGVln4:uRmJkcoQricOIQxiZY1iaCbAln4

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7920003586:AAHBMriHaNCFiZ4OQ4NdecriTbdf93HSOJo/sendMessage?chat_id=7174574119

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2504-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2504-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2504-14-0x0000000000400000-0x0000000000426000-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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\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
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 848 set thread context of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30

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

System Information Discovery
T1082

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	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2504	RegSvcs.exe
2504	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe
848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe
848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30
PID 848 wrote to memory of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30
PID 848 wrote to memory of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30
PID 848 wrote to memory of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30
PID 848 wrote to memory of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30
PID 848 wrote to memory of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30
PID 848 wrote to memory of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30
PID 848 wrote to memory of 2504	848	z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.exe
"C:\Users\Admin\AppData\Local\Temp\z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.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:848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\z91NUEVALISTADEPEDIDOSVENOKLERINTPDF.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:2504

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/848-11-0x0000000000360000-0x0000000000364000-memory.dmp

Filesize
16KB

Download
memory/2504-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2504-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2504-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2504-17-0x000000007439E000-0x000000007439F000-memory.dmp

Filesize
4KB

Download
memory/2504-18-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-19-0x000000007439E000-0x000000007439F000-memory.dmp

Filesize
4KB

Download
memory/2504-20-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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