snakekeylogger | b4423e369c143291d5b6eb8fb130472dd2639cae0eb0076a6105272a3e67763c

General

Target

RECEIPT ATTACHMENT.exe
Size

912KB
MD5

08e7844d71a35268697573567fa6426d
SHA1

18d3e013a70ddca9f55d540e0d325f2b660f2f39
SHA256

aff2d8ebd4a9c0218b8df1314b12fd2dec7706b7f1cea2029c663c53e52ff187
SHA512

95826d24a4f546b97cad699e1f0df9579b5e66530eb8827d44ffec7249c81ba651ab85664adccf45d6e4ea59910533c600f5a935dd4b7645efb7624a559287d2
SSDEEP

12288:hrT5UqCUfsgdd8JNxNAgnl9PxPJ2J28xF42b3IRifdZL+lU5UCsLoe:hWHNJ3X2YIF4m39ZLwL2e

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7570158401:AAGzmritmTT3Z0Z77i4ThJMCq3NzbjqeNpo/sendMessage?chat_id=7225431807

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2816-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2816-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2816-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2816-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2816-23-0x0000000000400000-0x0000000000426000-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
2488	powershell.exe
1012	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RECEIPT ATTACHMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RECEIPT ATTACHMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RECEIPT ATTACHMENT.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1632 set thread context of 2816	1632	RECEIPT ATTACHMENT.exe	36

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	RECEIPT ATTACHMENT.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RECEIPT ATTACHMENT.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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1632	RECEIPT ATTACHMENT.exe
1632	RECEIPT ATTACHMENT.exe
2816	RECEIPT ATTACHMENT.exe
1012	powershell.exe
2488	powershell.exe
2816	RECEIPT ATTACHMENT.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	RECEIPT ATTACHMENT.exe
Token: SeDebugPrivilege	2816	RECEIPT ATTACHMENT.exe
Token: SeDebugPrivilege	2488	powershell.exe
Token: SeDebugPrivilege	1012	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1012	1632	RECEIPT ATTACHMENT.exe	30
PID 1632 wrote to memory of 1012	1632	RECEIPT ATTACHMENT.exe	30
PID 1632 wrote to memory of 1012	1632	RECEIPT ATTACHMENT.exe	30
PID 1632 wrote to memory of 1012	1632	RECEIPT ATTACHMENT.exe	30
PID 1632 wrote to memory of 2488	1632	RECEIPT ATTACHMENT.exe	32
PID 1632 wrote to memory of 2488	1632	RECEIPT ATTACHMENT.exe	32
PID 1632 wrote to memory of 2488	1632	RECEIPT ATTACHMENT.exe	32
PID 1632 wrote to memory of 2488	1632	RECEIPT ATTACHMENT.exe	32
PID 1632 wrote to memory of 2744	1632	RECEIPT ATTACHMENT.exe	33
PID 1632 wrote to memory of 2744	1632	RECEIPT ATTACHMENT.exe	33
PID 1632 wrote to memory of 2744	1632	RECEIPT ATTACHMENT.exe	33
PID 1632 wrote to memory of 2744	1632	RECEIPT ATTACHMENT.exe	33
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36
PID 1632 wrote to memory of 2816	1632	RECEIPT ATTACHMENT.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RECEIPT ATTACHMENT.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RECEIPT ATTACHMENT.exe

C:\Users\Admin\AppData\Local\Temp\RECEIPT ATTACHMENT.exe
"C:\Users\Admin\AppData\Local\Temp\RECEIPT ATTACHMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632
- 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\RECEIPT ATTACHMENT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1012
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DNJFVAw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2488
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DNJFVAw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE11.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\RECEIPT ATTACHMENT.exe
  "C:\Users\Admin\AppData\Local\Temp\RECEIPT ATTACHMENT.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:2816

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\tmpBE11.tmp

Filesize
1KB

MD5
2036055465a4a0b673a2b668172924f2

SHA1
bd229137d460519bc747124ef343ea3bd7bff18c

SHA256
76e0ff47855f4c80cdb29f7cd2a058e6809fd5e6fb8033f881bb1928ea51ffc0

SHA512
d02a2e8cbfc8d663af2c97e0bb05d4a09049f82deab348b7b60d92ab00fb45c24d132b6014dea68a95d9095ba742244177887105f0ff45f45d0b9eb88a2df715

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

Filesize
7KB

MD5
c72bfabdf35b4dc60b7e712fe6d98544

SHA1
c0309efda5be8b66707bb803decf3816bf220113

SHA256
8a98f865d0a5777052ccafa90fdd7937b0c5bbf07dcbc21cb4fda4bf5b2c141e

SHA512
75984a167ac0066f6fd7b53e20c865f5f56edba5b0db75cfb6b41b9d5ec1a86db9a104c42e844d0430be3af2bac5927a3b2e3a48dbf9198bf305bb11e7d787d9

Download Submit
memory/1632-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1632-31-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1632-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1632-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1632-6-0x0000000000360000-0x00000000003CC000-memory.dmp

Filesize
432KB

Download
memory/1632-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1632-1-0x00000000009A0000-0x0000000000A8A000-memory.dmp

Filesize
936KB

Download
memory/1632-3-0x0000000000550000-0x000000000056E000-memory.dmp

Filesize
120KB

Download
memory/2816-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2816-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2816-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2816-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2816-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2816-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2816-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads