snakekeylogger | 63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b

General

Target

63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe
Size

880KB
MD5

d2f01bfba149898d86d9f9b1344c871c
SHA1

7002ec5c910a1883fd5c56aecf17c8182a175acb
SHA256

63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b
SHA512

9607a66aa1f572504fa68ca6464cde5763c13e72ff66e1cb94bc8f1e8d4e6765390371664b18cfadc6954b21c711ac9f05c95dd6c38945d6f9ed2ce653237254
SSDEEP

12288:bEfVhpe/ijKZVn6fYpoW0eJRWmoaoTxAKScque4RJjBQ+60NAIJxT6t4kR:bEfVyijKZV6g+VeJRLVoTx4z/4RY6gv

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7692220058:AAHVndQO9RuaWbiX3k3pjx15TMCoeBS0WKU/sendMessage?chat_id=7342994424

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2788-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-18-0x0000000000400000-0x0000000000426000-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
2836	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.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 3032 set thread context of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34

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 4 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	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2788	vbc.exe
2836	powershell.exe
2788	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	vbc.exe
Token: SeDebugPrivilege	2836	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2836	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	30
PID 3032 wrote to memory of 2836	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	30
PID 3032 wrote to memory of 2836	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	30
PID 3032 wrote to memory of 2836	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	30
PID 3032 wrote to memory of 2944	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	32
PID 3032 wrote to memory of 2944	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	32
PID 3032 wrote to memory of 2944	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	32
PID 3032 wrote to memory of 2944	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	32
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34
PID 3032 wrote to memory of 2788	3032	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe
"C:\Users\Admin\AppData\Local\Temp\63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jdSHzBih.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jdSHzBih" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA13.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2944
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCA13.tmp

Filesize
1KB

MD5
f1eb58b6cb1c408fd622f70623677099

SHA1
42f39044d008583dbd6e87295b20319e81b47730

SHA256
ec8d7b5d092b4cd81ada4545ce921016b3b0b5e0be9c807d260fd16d1fa5cc63

SHA512
f28dde2123504a4af1b6d665588b645e218d47493b3648aac90da388a93b7e210ad641ec601a0afa7c9765758bb0f209c80e4e016e4abfd4ae57b689886e58ce

Download Submit
memory/2788-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3032-5-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/3032-1-0x0000000001370000-0x000000000144E000-memory.dmp

Filesize
888KB

Download
memory/3032-2-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/3032-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/3032-6-0x0000000005E50000-0x0000000005EB8000-memory.dmp

Filesize
416KB

Download
memory/3032-4-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/3032-3-0x00000000004A0000-0x00000000004BC000-memory.dmp

Filesize
112KB

Download
memory/3032-27-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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