snakekeylogger | c087790833ae259686895407c9f60de7ef7614956fae617761998a4a5467f60f

General

Target

PO-000041522.exe
Size

528KB
MD5

b763612a26d5020ee8f91abb78517dcf
SHA1

24a91ef3cb3fd9eab1f35ac117cd48b4045fce56
SHA256

c087790833ae259686895407c9f60de7ef7614956fae617761998a4a5467f60f
SHA512

fbc4915e004dabfb93a1c2de17287d442597aac881c0c45fe03b397a7986eaa37e6c4072299021dcb14162f5ff350bf72127bd8db7112d73b5a392ce98b3a992
SSDEEP

12288:Nn0nsDtXORI+det48HAh/+qiwxo62nSvQ/f2Zq:N0nOXUI+dE4gAh/+qnp2eQWZ

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7720120586:AAEL1VybRIeGFqc29yI4D0-l0jQ_HF7ry5s/sendMessage?chat_id=6419839739

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2280-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2280-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2280-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2280-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2280-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1796	powershell.exe

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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-000041522.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-000041522.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-000041522.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 1200 set thread context of 2280	1200	PO-000041522.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-000041522.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-000041522.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2280	PO-000041522.exe
1796	powershell.exe
2280	PO-000041522.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	PO-000041522.exe
Token: SeDebugPrivilege	1796	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1796	1200	PO-000041522.exe	29
PID 1200 wrote to memory of 1796	1200	PO-000041522.exe	29
PID 1200 wrote to memory of 1796	1200	PO-000041522.exe	29
PID 1200 wrote to memory of 1796	1200	PO-000041522.exe	29
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30
PID 1200 wrote to memory of 2280	1200	PO-000041522.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-000041522.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-000041522.exe

C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe
"C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1796
- C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-000041522.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1200-1-0x00000000000C0000-0x000000000014A000-memory.dmp

Filesize
552KB

Download
memory/1200-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1200-3-0x00000000002F0000-0x0000000000302000-memory.dmp

Filesize
72KB

Download
memory/1200-4-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1200-5-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1200-6-0x0000000005360000-0x00000000053CA000-memory.dmp

Filesize
424KB

Download
memory/1200-20-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2280-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2280-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2280-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2280-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2280-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2280-19-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2280-21-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2280-24-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-25-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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