snakekeylogger | 75bacff6d2d5eb004e04e769d940b82708b9ce976903ff7316aa19b2fe6e794d

General

Target

e-dekont.exe
Size

1.2MB
MD5

c2aa18f81381790d756c05186d43fe7b
SHA1

2c0e88f829c8e508eebb8a111b6ed9a899cf7a65
SHA256

75bacff6d2d5eb004e04e769d940b82708b9ce976903ff7316aa19b2fe6e794d
SHA512

afb0fd5fe08b9d7045d3ea8b6daa23657680b723977178c31645345e2e06c67fa3540dcbb6b8ff7bec8f1ea2a3a206f4028d4bb8416d96ac3c7a011295406440
SSDEEP

12288:WDckxKYNy6BKJNO3axk7ie7msw3tivgkgK4HTN:Dfv6gpgie7u3ggk

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5310184099:AAGxqu0IL8tjOF6Eq6x2u0gfcHhvuxRwfLU/sendMessage?chat_id=5350445922

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1736-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1736-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1736-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1736-67-0x00000000004201AE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1736-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1736-71-0x0000000000400000-0x0000000000426000-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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1456 set thread context of 1736	1456	e-dekont.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1736	e-dekont.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	e-dekont.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27
PID 1456 wrote to memory of 1736	1456	e-dekont.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe

C:\Users\Admin\AppData\Local\Temp\e-dekont.exe
"C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Users\Admin\AppData\Local\Temp\e-dekont.exe
  "C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1456-54-0x00000000011A0000-0x00000000012E2000-memory.dmp

Filesize
1.3MB

Download
memory/1456-55-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1456-56-0x00000000004C0000-0x00000000004DC000-memory.dmp

Filesize
112KB

Download
memory/1456-57-0x00000000006D0000-0x00000000006DC000-memory.dmp

Filesize
48KB

Download
memory/1456-58-0x0000000005F20000-0x0000000005FA0000-memory.dmp

Filesize
512KB

Download
memory/1456-59-0x0000000000890000-0x00000000008B6000-memory.dmp

Filesize
152KB

Download
memory/1736-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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