snakekeylogger | 7f67d68e60053f36c54541fb5485491e3db0c418b615e6d5d738afa715a250fc

Analysis

max time kernel
137s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 16:38

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General

Target
Inv-Faktura.exe
Size 577KB
Sample230214-t5d2haef78
SHA256 7f67d68e60053f36c54541fb5485491e3db0c418b615e6d5d738afa715a250fc
MD5 04093bbeaa9a12184a4598088f17944a
SHA1 091a566ea26f9c914c29a483f17456566c727ba3
SHA512 381e509574fa32bcb229fc5eea504192fb7f36f63b5a45f3400ad7f643d531c951eb83efb318e6109dbd8e65e664230add44b36ca1ebff1876ccd658669619e7
SSDEEP 12288:jD+eces3NoUi2C6I6vuP9oziQzI2lXjrIesk7iXwYq1:Xces37uP9ouEyes4i3q
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5519372058:AAEQzlnVdrLo6pt_R7VJyv-Tbte5lUyTQBY/sendMessage?chat_id=5557063310

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/5052-138-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inv-Faktura.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inv-Faktura.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inv-Faktura.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
37	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5076 set thread context of 5052	5076	Inv-Faktura.exe	84

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
5052	Inv-Faktura.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	Inv-Faktura.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 5052	5076	Inv-Faktura.exe	84
PID 5076 wrote to memory of 5052	5076	Inv-Faktura.exe	84
PID 5076 wrote to memory of 5052	5076	Inv-Faktura.exe	84
PID 5076 wrote to memory of 5052	5076	Inv-Faktura.exe	84
PID 5076 wrote to memory of 5052	5076	Inv-Faktura.exe	84
PID 5076 wrote to memory of 5052	5076	Inv-Faktura.exe	84
PID 5076 wrote to memory of 5052	5076	Inv-Faktura.exe	84
PID 5076 wrote to memory of 5052	5076	Inv-Faktura.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inv-Faktura.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inv-Faktura.exe

C:\Users\Admin\AppData\Local\Temp\Inv-Faktura.exe
"C:\Users\Admin\AppData\Local\Temp\Inv-Faktura.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Users\Admin\AppData\Local\Temp\Inv-Faktura.exe
  "C:\Users\Admin\AppData\Local\Temp\Inv-Faktura.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5052

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

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Downloads

Inv-Faktura.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Inv-Faktura.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/5052-138-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/5052-140-0x0000000006780000-0x0000000006942000-memory.dmp

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memory/5076-132-0x00000000007B0000-0x0000000000846000-memory.dmp

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memory/5076-133-0x0000000005770000-0x0000000005D14000-memory.dmp

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memory/5076-134-0x0000000005260000-0x00000000052F2000-memory.dmp

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memory/5076-135-0x00000000051F0000-0x00000000051FA000-memory.dmp

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memory/5076-136-0x0000000005520000-0x00000000055BC000-memory.dmp

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