snakekeylogger | 005eb1d8df310f308e9ac99c488ea415174fd9aff3fc875117b056e535d08271

General

Target

bWvmkyv4OpHFRlv.exe
Size

545KB
MD5

991db15c5c2d3e4309efdf07f102f95e
SHA1

d6dd62b127b856cdb1d3beb9c7c4beb722deedd1
SHA256

005eb1d8df310f308e9ac99c488ea415174fd9aff3fc875117b056e535d08271
SHA512

94826376c1cdd91d2503464932645382525045971571ba1b5c49e548cccd39da1f7e757fbe5dfc5cabbfa09b3ca3567826dfda495b4dbc187b6474c44809f656
SSDEEP

12288:RYCv5qNEkrh8GUrZAgWhHpM36kiNISjea5BsIFqm4o:Toa3frmgoM36RISjeIzio

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5801425382:AAG5b4PUEaqNDv5uP9ejZGeIHeuzzOD4IHY/sendMessage?chat_id=5812329204

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1012-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1012-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1012-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1012-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1012-77-0x0000000000400000-0x0000000000426000-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-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bWvmkyv4OpHFRlv.exe
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bWvmkyv4OpHFRlv.exe
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bWvmkyv4OpHFRlv.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 904 set thread context of 1012	904	bWvmkyv4OpHFRlv.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1012	bWvmkyv4OpHFRlv.exe
1524	powershell.exe
1012	bWvmkyv4OpHFRlv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	bWvmkyv4OpHFRlv.exe
Token: SeDebugPrivilege	1524	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 1524	904	bWvmkyv4OpHFRlv.exe	28
PID 904 wrote to memory of 1524	904	bWvmkyv4OpHFRlv.exe	28
PID 904 wrote to memory of 1524	904	bWvmkyv4OpHFRlv.exe	28
PID 904 wrote to memory of 1524	904	bWvmkyv4OpHFRlv.exe	28
PID 904 wrote to memory of 968	904	bWvmkyv4OpHFRlv.exe	30
PID 904 wrote to memory of 968	904	bWvmkyv4OpHFRlv.exe	30
PID 904 wrote to memory of 968	904	bWvmkyv4OpHFRlv.exe	30
PID 904 wrote to memory of 968	904	bWvmkyv4OpHFRlv.exe	30
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32
PID 904 wrote to memory of 1012	904	bWvmkyv4OpHFRlv.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bWvmkyv4OpHFRlv.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bWvmkyv4OpHFRlv.exe

C:\Users\Admin\AppData\Local\Temp\bWvmkyv4OpHFRlv.exe
"C:\Users\Admin\AppData\Local\Temp\bWvmkyv4OpHFRlv.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oJPvBr.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1524
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oJPvBr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCEA6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:968
- C:\Users\Admin\AppData\Local\Temp\bWvmkyv4OpHFRlv.exe
  "C:\Users\Admin\AppData\Local\Temp\bWvmkyv4OpHFRlv.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCEA6.tmp

Filesize
1KB

MD5
8c4db9344749681d50409848553e99f1

SHA1
455b701f3f16f92164bb05a1bb590ee453d3010e

SHA256
0ea483dfddd462d01bfbb744935361cab16e053d63ce701f819d02e817916228

SHA512
8c15d2913e5bdce18dd04700b03f2e59a21657966a13eae2cb27539500554b8519ee05ce49c95bb33da539f0d39a0ee51be49c4864ca3aee42b762a8abf4bcdf

Download Submit
memory/904-54-0x00000000000A0000-0x000000000012E000-memory.dmp

Filesize
568KB

Download
memory/904-55-0x0000000004F00000-0x0000000004F40000-memory.dmp

Filesize
256KB

Download
memory/904-56-0x00000000004B0000-0x00000000004C2000-memory.dmp

Filesize
72KB

Download
memory/904-57-0x0000000004F00000-0x0000000004F40000-memory.dmp

Filesize
256KB

Download
memory/904-58-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/904-59-0x0000000005090000-0x00000000050F2000-memory.dmp

Filesize
392KB

Download
memory/904-65-0x0000000004350000-0x0000000004378000-memory.dmp

Filesize
160KB

Download
memory/1012-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1012-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1012-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1012-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1012-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1012-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1012-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1012-77-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1012-79-0x0000000004900000-0x0000000004940000-memory.dmp

Filesize
256KB

Download
memory/1524-78-0x0000000001C50000-0x0000000001C90000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads