snakekeylogger | 8db3ddff6b96d9b8f78b729a456eb1273805b2b03561bff8b7652b5ac073e2e8

General

Target

Purchase Order 77809 for acknowledgment.exe
Size

774KB
MD5

5116b849c70cec7c2881af8dae1ba63d
SHA1

19d4291c3b31ab1be7af94b144a3294d91b43934
SHA256

da5672185bdcb791e426127091bc7da56812d6c6cba9fc6aca754e43b59834db
SHA512

eff6c0a52e0d058b30d215f043688e5a62c791324fda0a4bbd8e13f29709a8d5a2a4a11f011684637fb025c60ef6acd4a8b05cd7d55d56f6f04c257f0f6dd998
SSDEEP

24576:6aMRHPv6tkVKEd0wKq6EfzTX6gNrhEK4VoVBOwMRH:6aMZqaVKE2wFTX6ard3BOwMZ

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/2856-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2856-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2856-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2856-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2856-25-0x0000000000400000-0x0000000000426000-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
2904	powershell.exe
2844	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 77809 for acknowledgment.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 77809 for acknowledgment.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 77809 for acknowledgment.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 432 set thread context of 2856	432	Purchase Order 77809 for acknowledgment.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	Purchase Order 77809 for acknowledgment.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order 77809 for acknowledgment.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

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
2892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
432	Purchase Order 77809 for acknowledgment.exe
432	Purchase Order 77809 for acknowledgment.exe
432	Purchase Order 77809 for acknowledgment.exe
432	Purchase Order 77809 for acknowledgment.exe
2856	Purchase Order 77809 for acknowledgment.exe
2904	powershell.exe
2844	powershell.exe
2856	Purchase Order 77809 for acknowledgment.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	432	Purchase Order 77809 for acknowledgment.exe
Token: SeDebugPrivilege	2856	Purchase Order 77809 for acknowledgment.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeDebugPrivilege	2904	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 2904	432	Purchase Order 77809 for acknowledgment.exe	29
PID 432 wrote to memory of 2904	432	Purchase Order 77809 for acknowledgment.exe	29
PID 432 wrote to memory of 2904	432	Purchase Order 77809 for acknowledgment.exe	29
PID 432 wrote to memory of 2904	432	Purchase Order 77809 for acknowledgment.exe	29
PID 432 wrote to memory of 2844	432	Purchase Order 77809 for acknowledgment.exe	31
PID 432 wrote to memory of 2844	432	Purchase Order 77809 for acknowledgment.exe	31
PID 432 wrote to memory of 2844	432	Purchase Order 77809 for acknowledgment.exe	31
PID 432 wrote to memory of 2844	432	Purchase Order 77809 for acknowledgment.exe	31
PID 432 wrote to memory of 2892	432	Purchase Order 77809 for acknowledgment.exe	33
PID 432 wrote to memory of 2892	432	Purchase Order 77809 for acknowledgment.exe	33
PID 432 wrote to memory of 2892	432	Purchase Order 77809 for acknowledgment.exe	33
PID 432 wrote to memory of 2892	432	Purchase Order 77809 for acknowledgment.exe	33
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35
PID 432 wrote to memory of 2856	432	Purchase Order 77809 for acknowledgment.exe	35

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	Purchase Order 77809 for acknowledgment.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	Purchase Order 77809 for acknowledgment.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432
- 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\Purchase Order 77809 for acknowledgment.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EIWXoubCbjn.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EIWXoubCbjn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp643F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2892
- C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.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:2856

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\tmp643F.tmp

Filesize
1KB

MD5
5253147f0f57117fc2fc76b0d1971afe

SHA1
80a7b7c0d2842fae4cea8d05d13073c80f60e02a

SHA256
ff8d651cab19cd63297a36a292dccb7cbc18070559837c92e062c5016d7c9331

SHA512
4c5b7b6d6ad4dc62db183f0867155c2a9e1e701d934b2712feda905e29769443e4097d0bd198058ef24f75719140ec482ad62c4282f7b6959bc1c9d5c453fcae

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4SAYKHCPNH4G6TBXHHLG.temp

Filesize
7KB

MD5
174a17c9931eccc786cdbfaa02c2a786

SHA1
329b55dec1838b6c07e3eb4c1f5213110f8ae995

SHA256
175878c87bc7954d36bb2e31e418f82e8dd10d30477a07223f06789b68b33bdb

SHA512
aea8c5caf0fd6b340feef58a45d8cdb9e88d3d930e160f1d9b91e460959e94f7827411a3cf3c32518fee62f02b5d8eb8b5b2afa3f354f4b88babc45c4123ddb7

Download Submit
memory/432-4-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/432-31-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/432-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/432-5-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/432-6-0x0000000004B20000-0x0000000004B8C000-memory.dmp

Filesize
432KB

Download
memory/432-2-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/432-1-0x0000000000AA0000-0x0000000000B68000-memory.dmp

Filesize
800KB

Download
memory/432-3-0x00000000009C0000-0x00000000009DE000-memory.dmp

Filesize
120KB

Download
memory/2856-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2856-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2856-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2856-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2856-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2856-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2856-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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