snakekeylogger | e3b6dde19468d02fe50709de24b007fe84723c3d7bb8d3fa5db4a6d11744c4b7

General

Target

e-dekont.exe
Size

818KB
MD5

d1244fb724bbf99257fc45304c0b435b
SHA1

44660b5e3f26987726da2dc65863e8b92a2cd4ff
SHA256

e3b6dde19468d02fe50709de24b007fe84723c3d7bb8d3fa5db4a6d11744c4b7
SHA512

0147fb4e5f554c0128050549b9ff4622ddd729c18be52b62f2ad4ad5fe9640a3aee744a90f885699a26d264c8c7f1d089c85d238ce2a5a07fc92795d9a0db1b4
SSDEEP

12288:tn8whh2Y4Y2cRnOls6HVIqUeoFr1/hkFfyBxLgDA1Mr6Yk:h8whh28RnrdeoV1/hkhDA1nYk

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5478319803:AAHq9LkDUFBRvjOub4YfRlPURZxM59_BVnc/sendMessage?chat_id=5516439768

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/520-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/520-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/520-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/520-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/520-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/520-71-0x0000000004AE0000-0x0000000004B20000-memory.dmp	family_snakekeylogger
behavioral1/memory/520-72-0x0000000004AE0000-0x0000000004B20000-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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e-dekont.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\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 1604 set thread context of 520	1604	e-dekont.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
520	e-dekont.exe
520	e-dekont.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	e-dekont.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28
PID 1604 wrote to memory of 520	1604	e-dekont.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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-1-5-21-2647223082-2067913677-935928954-1000\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:1604
- 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:520

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/520-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/520-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/520-72-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/520-71-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/520-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/520-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/520-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/520-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/520-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/520-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1604-55-0x00000000041B0000-0x00000000041F0000-memory.dmp

Filesize
256KB

Download
memory/1604-60-0x0000000004180000-0x00000000041A8000-memory.dmp

Filesize
160KB

Download
memory/1604-54-0x00000000002B0000-0x0000000000382000-memory.dmp

Filesize
840KB

Download
memory/1604-59-0x0000000005B50000-0x0000000005BB2000-memory.dmp

Filesize
392KB

Download
memory/1604-58-0x00000000003C0000-0x00000000003CA000-memory.dmp

Filesize
40KB

Download
memory/1604-57-0x00000000041B0000-0x00000000041F0000-memory.dmp

Filesize
256KB

Download
memory/1604-56-0x00000000003A0000-0x00000000003B2000-memory.dmp

Filesize
72KB

Download

Analysis

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