snakekeylogger | 2a2625e85758dfdc4ab64036bb679f519b8802ecccdba37eec44fb99e68e35a9

General

Target

PROFORMA + PENDENTES.exe
Size

603KB
MD5

4d74cebd8ddaae78de8144f1abb245e5
SHA1

8e8423e4af53a91b9750014235773f9ec38916df
SHA256

2a2625e85758dfdc4ab64036bb679f519b8802ecccdba37eec44fb99e68e35a9
SHA512

db4959b2a762416a62fc95fd06c5b5836189ef6e785cfaaaa2e26e28602a8db2aa71893dd72833490cdf631321ac6c7ab5a168bbf671dfa1bb98ab8c827d3426
SSDEEP

12288:fYVqW8F9057V2WnuYJBcw/6oxYP4Tl9SZZGQ4qS6q:rLs0WnuYP6KeokZZGdqbq

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8071929169:AAFUKNAcxQ6ezyCHGQASc7PxQv_smeADnUQ/sendMessage?chat_id=5985897351

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2384-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2384-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2384-27-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2384-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2384-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2560	powershell.exe
1708	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA + PENDENTES.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA + PENDENTES.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA + PENDENTES.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 2400 set thread context of 2384	2400	PROFORMA + PENDENTES.exe	37

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 5 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	PROFORMA + PENDENTES.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	PROFORMA + PENDENTES.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
1664	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2400	PROFORMA + PENDENTES.exe
2400	PROFORMA + PENDENTES.exe
2384	PROFORMA + PENDENTES.exe
1708	powershell.exe
2560	powershell.exe
2384	PROFORMA + PENDENTES.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	PROFORMA + PENDENTES.exe
Token: SeDebugPrivilege	2384	PROFORMA + PENDENTES.exe
Token: SeDebugPrivilege	1708	powershell.exe
Token: SeDebugPrivilege	2560	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2560	2400	PROFORMA + PENDENTES.exe	30
PID 2400 wrote to memory of 2560	2400	PROFORMA + PENDENTES.exe	30
PID 2400 wrote to memory of 2560	2400	PROFORMA + PENDENTES.exe	30
PID 2400 wrote to memory of 2560	2400	PROFORMA + PENDENTES.exe	30
PID 2400 wrote to memory of 1708	2400	PROFORMA + PENDENTES.exe	32
PID 2400 wrote to memory of 1708	2400	PROFORMA + PENDENTES.exe	32
PID 2400 wrote to memory of 1708	2400	PROFORMA + PENDENTES.exe	32
PID 2400 wrote to memory of 1708	2400	PROFORMA + PENDENTES.exe	32
PID 2400 wrote to memory of 1664	2400	PROFORMA + PENDENTES.exe	34
PID 2400 wrote to memory of 1664	2400	PROFORMA + PENDENTES.exe	34
PID 2400 wrote to memory of 1664	2400	PROFORMA + PENDENTES.exe	34
PID 2400 wrote to memory of 1664	2400	PROFORMA + PENDENTES.exe	34
PID 2400 wrote to memory of 2936	2400	PROFORMA + PENDENTES.exe	36
PID 2400 wrote to memory of 2936	2400	PROFORMA + PENDENTES.exe	36
PID 2400 wrote to memory of 2936	2400	PROFORMA + PENDENTES.exe	36
PID 2400 wrote to memory of 2936	2400	PROFORMA + PENDENTES.exe	36
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37
PID 2400 wrote to memory of 2384	2400	PROFORMA + PENDENTES.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA + PENDENTES.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PROFORMA + PENDENTES.exe

C:\Users\Admin\AppData\Local\Temp\PROFORMA + PENDENTES.exe
"C:\Users\Admin\AppData\Local\Temp\PROFORMA + PENDENTES.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- 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\PROFORMA + PENDENTES.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2560
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WYqxTmjfOgdZ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1708
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WYqxTmjfOgdZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp213.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1664
- C:\Users\Admin\AppData\Local\Temp\PROFORMA + PENDENTES.exe
  "C:\Users\Admin\AppData\Local\Temp\PROFORMA + PENDENTES.exe"
  2⤵
  PID:2936
- C:\Users\Admin\AppData\Local\Temp\PROFORMA + PENDENTES.exe
  "C:\Users\Admin\AppData\Local\Temp\PROFORMA + PENDENTES.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:2384

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\tmp213.tmp

Filesize
1KB

MD5
600467eb2b62b7b9059a458947930162

SHA1
57f39644fde5e3cfbc8f8c5ac1b20f8b8979eca4

SHA256
ba6eb314f7feff4237aa8530caafe0a3160e3d53c76f910aaa5f2a00ef19a8d9

SHA512
545120a875f85ec7411ef2693e3291274612441d4472f102c40fa826d471cbd1d78ff566e0b53bae537f8d4cebfaab9136a9dbfcbe673715e4833391999e16c9

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
f76acecb92294d916350ba0ae4ae1110

SHA1
ccb2e6fc7656040f12e3038d1ba288171fe849de

SHA256
a1cbd35371f259fbdbe1caf47032e0f3aac76416ee380d115e7feb82b72b5703

SHA512
f1a4994aae82c7f63807552982125102467e51de080694f00ee59ee96e5122c77fe5b69f8fe0698b8c664833820a6caf1457d73fd421c00f959fa5ef4af0ed22

Download Submit
memory/2384-27-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2384-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2384-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2384-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2384-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2384-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2384-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2400-2-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1-0x0000000000060000-0x00000000000FC000-memory.dmp

Filesize
624KB

Download
memory/2400-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/2400-3-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-5-0x0000000005AC0000-0x0000000005B2C000-memory.dmp

Filesize
432KB

Download
memory/2400-4-0x0000000000600000-0x0000000000612000-memory.dmp

Filesize
72KB

Download
memory/2400-31-0x0000000074B80000-0x000000007526E000-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