snakekeylogger | c0972bed1bf730f5247f0ee2db6fe2f15b97217b6cfb42a024dc3aad4ec20341

General

Target

AWB_Ref#339720937705pdf.exe
Size

599KB
MD5

8f430690b8710fa451e213dd0b2ec9ab
SHA1

de4b9701915a96ab28ad39dd5bc13be1941bc095
SHA256

c0972bed1bf730f5247f0ee2db6fe2f15b97217b6cfb42a024dc3aad4ec20341
SHA512

eda0d36ba72eec1b1cb5f95e7e7c676a89338f11cd7f2134fe114ac353447aabf4cc54276795dcd46a668dfadd597d143d2e2749fbb0f8b35d78df11da91aea2
SSDEEP

12288:65SRmHfMaVj/IkS2bNVoOs/Jn+jiA58BrgiIXsh3gViwt5XHUkR:uSRmHfMaG6bNVfe+jp58Bsiysh0iw5j

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7342466652:AAH0FO5Nw0u2N8HT41ehcQTwKTOCbumkJLg/sendMessage?chat_id=7399860345

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2656-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2656-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2656-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2656-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2656-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2848	powershell.exe
2952	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 2056 set thread context of 2656	2056	AWB_Ref#339720937705pdf.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 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	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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AWB_Ref#339720937705pdf.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
2904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2656	RegSvcs.exe
2848	powershell.exe
2952	powershell.exe
2656	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	RegSvcs.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	2848	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2848	2056	AWB_Ref#339720937705pdf.exe	29
PID 2056 wrote to memory of 2848	2056	AWB_Ref#339720937705pdf.exe	29
PID 2056 wrote to memory of 2848	2056	AWB_Ref#339720937705pdf.exe	29
PID 2056 wrote to memory of 2848	2056	AWB_Ref#339720937705pdf.exe	29
PID 2056 wrote to memory of 2952	2056	AWB_Ref#339720937705pdf.exe	31
PID 2056 wrote to memory of 2952	2056	AWB_Ref#339720937705pdf.exe	31
PID 2056 wrote to memory of 2952	2056	AWB_Ref#339720937705pdf.exe	31
PID 2056 wrote to memory of 2952	2056	AWB_Ref#339720937705pdf.exe	31
PID 2056 wrote to memory of 2904	2056	AWB_Ref#339720937705pdf.exe	33
PID 2056 wrote to memory of 2904	2056	AWB_Ref#339720937705pdf.exe	33
PID 2056 wrote to memory of 2904	2056	AWB_Ref#339720937705pdf.exe	33
PID 2056 wrote to memory of 2904	2056	AWB_Ref#339720937705pdf.exe	33
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35
PID 2056 wrote to memory of 2656	2056	AWB_Ref#339720937705pdf.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\AWB_Ref#339720937705pdf.exe
"C:\Users\Admin\AppData\Local\Temp\AWB_Ref#339720937705pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056
- 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\AWB_Ref#339720937705pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BtEYlavlla.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BtEYlavlla" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA9C7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2656

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

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\tmpA9C7.tmp

Filesize
1KB

MD5
899c295a192b1d3d57c3309bcf6dd5ac

SHA1
9b2e7d1a5132e3d769e5ff74ff18347fdbc1b982

SHA256
b933f7bd42a121f059a6e22cc78d82342af7f7c936baed8259b07afdbefc8a73

SHA512
e397f059bbce83b8925e75c387f7ddec2162caa8e3d37d4f7927b39bc9a4b79a8188243585e363687c948923483bdafd13a323a948539be45b2321f1c05c41b8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\O15Z0CTW3YQQM981X1NG.temp

Filesize
7KB

MD5
8fe63acab46b397af99cb09396ba2946

SHA1
afacc927c6a4c1fb3c4284ba393df92cc3d1515a

SHA256
56e80e8875ba84d112139f4c0e35c9c9538edbac65ea94320b4ff654424b034c

SHA512
41438dfa1ce286b9887d1040d8f308096018f145aba2d43393a0e7bba5e7225f110bf74cac738539705afd83ec325966730fc4e4b60c422ca6d283fa2851b978

Download Submit
memory/2056-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2056-31-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2056-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-6-0x00000000052E0000-0x0000000005348000-memory.dmp

Filesize
416KB

Download
memory/2056-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-1-0x0000000000E90000-0x0000000000F28000-memory.dmp

Filesize
608KB

Download
memory/2056-3-0x0000000000530000-0x0000000000540000-memory.dmp

Filesize
64KB

Download
memory/2656-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2656-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2656-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2656-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2656-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2656-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2656-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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