snakekeylogger | 7e9d0558a3bf15fdb322f635cc2dc0932788c0b216bb1ff6ed80f01bb25f0f30

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2023, 07:55

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General

Target
Factura N° 097.PDF.exe
Size 718KB
Sample230531-jr41naea61
SHA256 7e9d0558a3bf15fdb322f635cc2dc0932788c0b216bb1ff6ed80f01bb25f0f30
MD5 bc9848f310857b3e0cd21acbc150a8b8
SHA1 bcc3aac960e58a39b754596641c5b03d8969b75f
SHA512 99fb36b3aec4e1826f256d59501bb242adb69868b7d2e7f0a005f1fba1320277805453119d3f62895a4b64dc2b5a67fa95e3cbbf1d5d1d10b4ee6513548ac428
SSDEEP 12288:+52B0xTGlxNqvNu2hZ+nUEsn9WJeYfUGlQhr69YhBRGhPpvssWCvPcVM7Eu0T/o:+5LaVUH999WJeYscQhOezeFzvk27Eu0T
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.mutuadebasto.pt
Port
587
Username
[email protected]
Password
mutua_Fernando123

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.mutuadebasto.pt
Port
587
Username
[email protected]
Password
mutua_Fernando123
Email to
[email protected]

Signatures

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

Snake Keylogger payload 2 IoCs

resource	yara_rule
behavioral2/memory/912-140-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral2/memory/912-145-0x0000000005B70000-0x0000000005B80000-memory.dmp	family_snakekeylogger

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura N° 097.PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura N° 097.PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura N° 097.PDF.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
24	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1664 set thread context of 912	1664	Factura N° 097.PDF.exe	89

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1664	Factura N° 097.PDF.exe
1664	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe
912	Factura N° 097.PDF.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
912	Factura N° 097.PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1664	Factura N° 097.PDF.exe
Token: SeDebugPrivilege	912	Factura N° 097.PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 912	1664	Factura N° 097.PDF.exe	89
PID 1664 wrote to memory of 912	1664	Factura N° 097.PDF.exe	89
PID 1664 wrote to memory of 912	1664	Factura N° 097.PDF.exe	89
PID 1664 wrote to memory of 912	1664	Factura N° 097.PDF.exe	89
PID 1664 wrote to memory of 912	1664	Factura N° 097.PDF.exe	89
PID 1664 wrote to memory of 912	1664	Factura N° 097.PDF.exe	89
PID 1664 wrote to memory of 912	1664	Factura N° 097.PDF.exe	89
PID 1664 wrote to memory of 912	1664	Factura N° 097.PDF.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura N° 097.PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura N° 097.PDF.exe

C:\Users\Admin\AppData\Local\Temp\Factura N° 097.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Factura N° 097.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\Factura N° 097.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura N° 097.PDF.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Factura N° 097.PDF.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Factura N° 097.PDF.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/912-140-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/912-143-0x0000000005B70000-0x0000000005B80000-memory.dmp

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memory/912-144-0x0000000006D90000-0x0000000006F52000-memory.dmp

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memory/912-145-0x0000000005B70000-0x0000000005B80000-memory.dmp

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memory/1664-133-0x0000000000BB0000-0x0000000000C6A000-memory.dmp

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memory/1664-134-0x0000000005BB0000-0x0000000006154000-memory.dmp

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memory/1664-135-0x00000000056A0000-0x0000000005732000-memory.dmp

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memory/1664-136-0x0000000005630000-0x000000000563A000-memory.dmp

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memory/1664-137-0x00000000055D0000-0x00000000055E0000-memory.dmp

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memory/1664-138-0x00000000058D0000-0x000000000596C000-memory.dmp

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memory/1664-139-0x00000000055D0000-0x00000000055E0000-memory.dmp

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