snakekeylogger | 903b831a6844fe65857fc4084226322434c939ff5fb4425da901bfed34399fd4

General

Target

nBank_Report.pif.exe
Size

923KB
MD5

d97c2259e60a42aead2559f198ff9a5a
SHA1

5861e84df676af552106ab15c308ad44662a563a
SHA256

903b831a6844fe65857fc4084226322434c939ff5fb4425da901bfed34399fd4
SHA512

087232c285836b3ef7dd7c87c955a240425ddee96ec5fba0bcca7137207be68eaed4d5ecd507aea1dc2bec944b97fd2b9a34805f73e02078bd61404008e184f7
SSDEEP

24576:44E53gielVPJjLaSCR/avTRbonhF3ia8BbZOu:448/eTRjLUR6TRbI8a8BbZ

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.medicana.site
Port:
587
Username:
[email protected]
Password:
24/7TryLock
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2372-23-0x0000000000400000-0x0000000000458000-memory.dmp	family_snakekeylogger
behavioral1/memory/2372-24-0x0000000000400000-0x0000000000458000-memory.dmp	family_snakekeylogger
behavioral1/memory/2372-26-0x0000000000400000-0x0000000000458000-memory.dmp	family_snakekeylogger
behavioral1/memory/2372-20-0x0000000000400000-0x0000000000458000-memory.dmp	family_snakekeylogger
behavioral1/memory/2372-18-0x0000000000400000-0x0000000000458000-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
2296	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nBank_Report.pif.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nBank_Report.pif.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nBank_Report.pif.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 2580 set thread context of 2372	2580	nBank_Report.pif.exe	35

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	nBank_Report.pif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nBank_Report.pif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2580	nBank_Report.pif.exe
2580	nBank_Report.pif.exe
2372	nBank_Report.pif.exe
2580	nBank_Report.pif.exe
2296	powershell.exe
2372	nBank_Report.pif.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2372	nBank_Report.pif.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	nBank_Report.pif.exe
Token: SeDebugPrivilege	2372	nBank_Report.pif.exe
Token: SeDebugPrivilege	2296	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2372	nBank_Report.pif.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2296	2580	nBank_Report.pif.exe	31
PID 2580 wrote to memory of 2296	2580	nBank_Report.pif.exe	31
PID 2580 wrote to memory of 2296	2580	nBank_Report.pif.exe	31
PID 2580 wrote to memory of 2296	2580	nBank_Report.pif.exe	31
PID 2580 wrote to memory of 2760	2580	nBank_Report.pif.exe	32
PID 2580 wrote to memory of 2760	2580	nBank_Report.pif.exe	32
PID 2580 wrote to memory of 2760	2580	nBank_Report.pif.exe	32
PID 2580 wrote to memory of 2760	2580	nBank_Report.pif.exe	32
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35
PID 2580 wrote to memory of 2372	2580	nBank_Report.pif.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nBank_Report.pif.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nBank_Report.pif.exe

C:\Users\Admin\AppData\Local\Temp\nBank_Report.pif.exe
"C:\Users\Admin\AppData\Local\Temp\nBank_Report.pif.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VtPPJdSqnkbmja.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2296
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VtPPJdSqnkbmja" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE714.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2760
- C:\Users\Admin\AppData\Local\Temp\nBank_Report.pif.exe
  "C:\Users\Admin\AppData\Local\Temp\nBank_Report.pif.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

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

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE714.tmp

Filesize
1KB

MD5
1de3ee74e7a5e6cb3bd4aaf270d57518

SHA1
6b76eb4d1c86518c70a093e05e182a20f8e93a69

SHA256
0449d90e50cde6a02df711154576bcb5deba0bbf89396fde8a84e42b135e0638

SHA512
8d8919e23ae6a48490a3ae86d2978ad1b71eb737624c4379d3c114a8af98dbb73a85c4c5c5644ca41ec27d4e522a5e145481ee7353b0afea4cad2fa4eb7f4383

Download Submit
memory/2372-20-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2372-26-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2372-14-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2372-16-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2372-23-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2372-18-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2372-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2372-24-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2580-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-1-0x0000000000D80000-0x0000000000E6C000-memory.dmp

Filesize
944KB

Download
memory/2580-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2580-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2580-6-0x0000000005700000-0x000000000579A000-memory.dmp

Filesize
616KB

Download
memory/2580-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2580-3-0x00000000004A0000-0x00000000004B0000-memory.dmp

Filesize
64KB

Download
memory/2580-27-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads