snakekeylogger | 597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff

General

Target

597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
Size

521KB
MD5

b1ef1a6ce1c1851c95cb5625bc06e69d
SHA1

feec17f1cea1f7e586a22b7970c3f8caa078a72f
SHA256

597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff
SHA512

87ef4099ba43c511d7eb7cd61031ecdafbdb87c2ef855f051c585cb49ad14687473866d7f3f12fef9948263a14817c9d833963954298dd1aa258fdb6d79bac9b
SSDEEP

12288:MbhAmVXT+Y/+luGM7LvBXL6AbH8sSXAKHxUdtTJv:ihAWL+lHMXvB76AbHKXAG

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2840-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-13-0x0000000000400000-0x0000000000426000-memory.dmp	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
2852	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1524 set thread context of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31

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	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
2840	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
2852	powershell.exe
2840	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2840	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
Token: SeDebugPrivilege	2840	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
Token: SeDebugPrivilege	2852	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2852	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	30
PID 1524 wrote to memory of 2852	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	30
PID 1524 wrote to memory of 2852	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	30
PID 1524 wrote to memory of 2852	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	30
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31
PID 1524 wrote to memory of 2840	1524	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe

C:\Users\Admin\AppData\Local\Temp\597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
"C:\Users\Admin\AppData\Local\Temp\597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524
- 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\597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- C:\Users\Admin\AppData\Local\Temp\597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe
  "C:\Users\Admin\AppData\Local\Temp\597e62b3b65a0231ecd15b165241f46858d133ff7cea5762b9d90819e5a470ff.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2840

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/1524-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1524-1-0x0000000000A00000-0x0000000000A88000-memory.dmp

Filesize
544KB

Download
memory/1524-2-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-3-0x0000000000560000-0x0000000000570000-memory.dmp

Filesize
64KB

Download
memory/1524-4-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1524-5-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1524-6-0x0000000005720000-0x0000000005788000-memory.dmp

Filesize
416KB

Download
memory/1524-19-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-18-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-20-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-23-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-24-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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