snakekeylogger | da5672185bdcb791e426127091bc7da56812d6c6cba9fc6aca754e43b59834db

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/2068-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2068-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2068-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2068-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2068-23-0x0000000000400000-0x0000000000426000-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
3008	powershell.exe
2572	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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 77809 for acknowledgment.exe
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 77809 for acknowledgment.exe
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\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 2492 set thread context of 2068	2492	Purchase Order 77809 for acknowledgment.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	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
2808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2492	Purchase Order 77809 for acknowledgment.exe
2492	Purchase Order 77809 for acknowledgment.exe
2492	Purchase Order 77809 for acknowledgment.exe
2492	Purchase Order 77809 for acknowledgment.exe
2068	Purchase Order 77809 for acknowledgment.exe
2572	powershell.exe
3008	powershell.exe
2068	Purchase Order 77809 for acknowledgment.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	Purchase Order 77809 for acknowledgment.exe
Token: SeDebugPrivilege	2068	Purchase Order 77809 for acknowledgment.exe
Token: SeDebugPrivilege	2572	powershell.exe
Token: SeDebugPrivilege	3008	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 3008	2492	Purchase Order 77809 for acknowledgment.exe	31
PID 2492 wrote to memory of 3008	2492	Purchase Order 77809 for acknowledgment.exe	31
PID 2492 wrote to memory of 3008	2492	Purchase Order 77809 for acknowledgment.exe	31
PID 2492 wrote to memory of 3008	2492	Purchase Order 77809 for acknowledgment.exe	31
PID 2492 wrote to memory of 2572	2492	Purchase Order 77809 for acknowledgment.exe	33
PID 2492 wrote to memory of 2572	2492	Purchase Order 77809 for acknowledgment.exe	33
PID 2492 wrote to memory of 2572	2492	Purchase Order 77809 for acknowledgment.exe	33
PID 2492 wrote to memory of 2572	2492	Purchase Order 77809 for acknowledgment.exe	33
PID 2492 wrote to memory of 2808	2492	Purchase Order 77809 for acknowledgment.exe	34
PID 2492 wrote to memory of 2808	2492	Purchase Order 77809 for acknowledgment.exe	34
PID 2492 wrote to memory of 2808	2492	Purchase Order 77809 for acknowledgment.exe	34
PID 2492 wrote to memory of 2808	2492	Purchase Order 77809 for acknowledgment.exe	34
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37
PID 2492 wrote to memory of 2068	2492	Purchase Order 77809 for acknowledgment.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\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-1-5-21-677481364-2238709445-1347953534-1000\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:2492
- 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:3008
- 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:2572
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EIWXoubCbjn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5E3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2808
- 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:2068

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\tmpF5E3.tmp

Filesize
1KB

MD5
77fe6385cdc896a8dda2fe733cd3d1ad

SHA1
53760d02982ac0e6eda3876f9bef1a07668c98a0

SHA256
d7da48c14dd1414ed67b3ee3df685f723ca412871ae854497965c2fbbedb43cb

SHA512
4d94cbf4db989ad33bd2c63e6d8c824b55207d8e6089b2f6150f21b3a5c0194ede5659a8d9b53a3bb160dfe3ec88ddba095715aefa31cae5f1affe06ae65385b

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

Filesize
7KB

MD5
eb69d4cae1e8c676a11f716bb3bbd102

SHA1
2c3cdcb79e0386b8b8c6ab72fd8b5a3a9d682ee1

SHA256
85886a0b0a255195b2560a8599ef4ea022a19c1af6c7abddf04124d14af2b91e

SHA512
b6c45534e9fec321d9d7d6c926a59145d330ccb42b91bdab7ed0657583878d603c33d2391d3f41310c24d61f60eb5c470d9ed51a1d4b06c16fceafca03504c04

Download Submit
memory/2068-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2068-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2068-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2068-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2068-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2068-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2068-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2068-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2492-6-0x0000000004920000-0x000000000498C000-memory.dmp

Filesize
432KB

Download
memory/2492-1-0x0000000001180000-0x0000000001248000-memory.dmp

Filesize
800KB

Download
memory/2492-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/2492-2-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-3-0x00000000002B0000-0x00000000002CE000-memory.dmp

Filesize
120KB

Download
memory/2492-5-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-4-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/2492-31-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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