snakekeylogger | 08906dbeb1ed27f70d9df7b816ec1ac1549b13be10fb9532cf83dd45a135909f

General

Target

FACTURAS.exe
Size

1.1MB
MD5

4c97fbfa4b78e38b1c65cf52d9d00634
SHA1

c8aee94638edc06f4ea0de2bce573fb9066bab56
SHA256

08906dbeb1ed27f70d9df7b816ec1ac1549b13be10fb9532cf83dd45a135909f
SHA512

3755fd62c79ed863aed66bb3302d0d3d83feb3640447facbf191c7480e013799bbb540f0052fd10b6693918bfba528ba1b0b716ea4fa446ccc779fa7d9db83ab
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCHDj0HLEihmcPTdZH:7JZoQrbTFZY1iaCHDoHl8ETdZH

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7325762278:AAFPrMvoiNNZ5rT_5Kz3dP1guR4ZEPdF-9A/sendMessage?chat_id=5692813672

Signatures

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

Snake Keylogger payload 4 IoCs

resource	yara_rule
behavioral1/memory/2856-16-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral1/memory/2856-14-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral1/memory/2856-17-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral1/memory/2856-19-0x00000000005D0000-0x00000000005F6000-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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

Executes dropped EXE 1 IoCs

pid	Process
2388	name.exe

Loads dropped DLL 1 IoCs

pid	Process
3048	FACTURAS.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.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

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000700000001878c-4.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2388 set thread context of 2856	2388	name.exe	32

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 3 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	FACTURAS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2856	svchost.exe
2856	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2388	name.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2856	svchost.exe

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
3048	FACTURAS.exe
3048	FACTURAS.exe
3048	FACTURAS.exe
3048	FACTURAS.exe
3048	FACTURAS.exe
2388	name.exe
2388	name.exe
2388	name.exe
2388	name.exe
2388	name.exe

Suspicious use of SendNotifyMessage 10 IoCs

pid	Process
3048	FACTURAS.exe
3048	FACTURAS.exe
3048	FACTURAS.exe
3048	FACTURAS.exe
3048	FACTURAS.exe
2388	name.exe
2388	name.exe
2388	name.exe
2388	name.exe
2388	name.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2388	3048	FACTURAS.exe	30
PID 3048 wrote to memory of 2388	3048	FACTURAS.exe	30
PID 3048 wrote to memory of 2388	3048	FACTURAS.exe	30
PID 3048 wrote to memory of 2388	3048	FACTURAS.exe	30
PID 2388 wrote to memory of 2856	2388	name.exe	32
PID 2388 wrote to memory of 2856	2388	name.exe	32
PID 2388 wrote to memory of 2856	2388	name.exe	32
PID 2388 wrote to memory of 2856	2388	name.exe	32
PID 2388 wrote to memory of 2856	2388	name.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\FACTURAS.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURAS.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\directory\name.exe
  "C:\Users\Admin\AppData\Local\Temp\FACTURAS.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:2388
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURAS.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2856

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 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

C:\Users\Admin\AppData\Local\Temp\brontothere

Filesize
212KB

MD5
ec00baab5c626203b72db5a098084b7a

SHA1
9e9087fbb19237617ad614c6adba2f1dee0c20bb

SHA256
6f62201130e1f4dc73db473e144a21a4b8e7f5206a308667378c8e1d6e687f28

SHA512
f1e151dd7f514f834a8dc3844d61e1cd866bb0e48f1fe592330fcea1ef8e302ed378a2ac984948b062990ae02babe4cf2929f303480332be8d8eb1a5be3c76e3

Download Submit
\Users\Admin\AppData\Local\directory\name.exe

Filesize
1.1MB

MD5
4c97fbfa4b78e38b1c65cf52d9d00634

SHA1
c8aee94638edc06f4ea0de2bce573fb9066bab56

SHA256
08906dbeb1ed27f70d9df7b816ec1ac1549b13be10fb9532cf83dd45a135909f

SHA512
3755fd62c79ed863aed66bb3302d0d3d83feb3640447facbf191c7480e013799bbb540f0052fd10b6693918bfba528ba1b0b716ea4fa446ccc779fa7d9db83ab

Download Submit
memory/2388-12-0x0000000003D20000-0x0000000004120000-memory.dmp

Filesize
4.0MB

Download
memory/2856-19-0x00000000005D0000-0x00000000005F6000-memory.dmp

Filesize
152KB

Download
memory/2856-16-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2856-14-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2856-17-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2856-18-0x00000000741DE000-0x00000000741DF000-memory.dmp

Filesize
4KB

Download
memory/2856-20-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-21-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-22-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-23-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-24-0x00000000741DE000-0x00000000741DF000-memory.dmp

Filesize
4KB

Download
memory/2856-25-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/2856-26-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-2-0x0000000003DD0000-0x00000000041D0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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