snakekeylogger | 11f2c66ee3a9d2a70ee4267d5db17444d6e825b29edba999acaf8a1dd2908948

General

Target

Scan00048585.exe
Size

1.1MB
MD5

5be407b01ad4de50559bfbf8dc3f7e98
SHA1

25a24f3c27667ba56cf44f7ba92891db7bbfa346
SHA256

11f2c66ee3a9d2a70ee4267d5db17444d6e825b29edba999acaf8a1dd2908948
SHA512

66c855a50e0ea7935e600b01b292d0b3e43800a2e4f20bc83c0191ed4ed56df4f07c9970ef9d4f7c98835795cc5341ec3f42ac97877cc1a526e55bb459488949
SSDEEP

24576:CqDEvCTbMWu7rQYlBQcBiT6rprG8aPimvY2Nnp5N:CTvC/MTQYxsWR7aPrYS

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7152694115:AAHaHmDCgcQp63bt60B-ZXF1o-UoY9ASQuE/sendMessage?chat_id=7368703476

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4640-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

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-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\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
1	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 4640	4896	Scan00048585.exe	73

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	Scan00048585.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4640	RegSvcs.exe
4640	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4896	Scan00048585.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4896	Scan00048585.exe
4896	Scan00048585.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4896	Scan00048585.exe
4896	Scan00048585.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 4640	4896	Scan00048585.exe	73
PID 4896 wrote to memory of 4640	4896	Scan00048585.exe	73
PID 4896 wrote to memory of 4640	4896	Scan00048585.exe	73
PID 4896 wrote to memory of 4640	4896	Scan00048585.exe	73

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Scan00048585.exe
"C:\Users\Admin\AppData\Local\Temp\Scan00048585.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:4896
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Scan00048585.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:4640

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

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/4640-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4640-13-0x0000000072C5E000-0x0000000072C5F000-memory.dmp

Filesize
4KB

Download
memory/4640-14-0x0000000005D30000-0x000000000622E000-memory.dmp

Filesize
5.0MB

Download
memory/4640-15-0x0000000005830000-0x00000000058CC000-memory.dmp

Filesize
624KB

Download
memory/4640-16-0x0000000072C50000-0x000000007333E000-memory.dmp

Filesize
6.9MB

Download
memory/4640-17-0x0000000072C5E000-0x0000000072C5F000-memory.dmp

Filesize
4KB

Download
memory/4640-18-0x0000000072C50000-0x000000007333E000-memory.dmp

Filesize
6.9MB

Download
memory/4640-19-0x00000000068B0000-0x0000000006A72000-memory.dmp

Filesize
1.8MB

Download
memory/4640-20-0x0000000006A80000-0x0000000006B12000-memory.dmp

Filesize
584KB

Download
memory/4640-21-0x0000000006850000-0x000000000685A000-memory.dmp

Filesize
40KB

Download
memory/4896-11-0x0000000001910000-0x0000000001914000-memory.dmp

Filesize
16KB

Download

Analysis

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