snakekeylogger | 3a2e31f2844df5cb91eedbf24c0b93de4b0aa08525f733132c2bce0d7ab81acc

Resubmissions

10-11-2024 21:28

241110-1bhk6avgrr 10

Analysis

max time kernel
108s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
submitted
10-11-2024 21:28

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General

Target

0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5542941782:AAFlsn_FCfYT7D_ZthXK_Udd4a15AE58_Wg/sendMessage?chat_id=2054148913

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral17/memory/1620-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1688	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
35	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1808 set thread context of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100

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 4 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	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.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	MSBuild.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
3036	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1688	powershell.exe
1620	MSBuild.exe
1688	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	powershell.exe
Token: SeDebugPrivilege	1620	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 1688	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	96
PID 1808 wrote to memory of 1688	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	96
PID 1808 wrote to memory of 1688	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	96
PID 1808 wrote to memory of 3036	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	98
PID 1808 wrote to memory of 3036	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	98
PID 1808 wrote to memory of 3036	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	98
PID 1808 wrote to memory of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100
PID 1808 wrote to memory of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100
PID 1808 wrote to memory of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100
PID 1808 wrote to memory of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100
PID 1808 wrote to memory of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100
PID 1808 wrote to memory of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100
PID 1808 wrote to memory of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100
PID 1808 wrote to memory of 1620	1808	0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe
"C:\Users\Admin\AppData\Local\Temp\0296e49137a482b7db3bed7fe16c5ad20b083b20a8ce56b6c42309fff94d50b6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pfERLUVCmPr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1688
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pfERLUVCmPr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32ED.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3036
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:1620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4xdn3i21.woe.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp32ED.tmp

Filesize
1KB

MD5
5ba2701538ce0c3bb6144f455908a813

SHA1
4d298c01235c948575178626e66973d98942a0e1

SHA256
9b80da82ef8f4c65469af2d8bf3833f9539e6e25d6767d5e9df5d2c19c511ab1

SHA512
4cf9fdd5993257d7cf31f250f185d581fcebbd68eb59c50c02b9ec1cc5ab3cfbec05c04cd5c1cce20ed2fdb4bed5dbde91beefc1586f8f304735791fcf56ece8

Download Submit
memory/1620-67-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1620-41-0x0000000006130000-0x00000000062F2000-memory.dmp

Filesize
1.8MB

Download
memory/1620-33-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1620-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1688-55-0x0000000008150000-0x00000000087CA000-memory.dmp

Filesize
6.5MB

Download
memory/1688-56-0x0000000007B00000-0x0000000007B1A000-memory.dmp

Filesize
104KB

Download
memory/1688-66-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1688-63-0x0000000007E20000-0x0000000007E28000-memory.dmp

Filesize
32KB

Download
memory/1688-62-0x0000000007E40000-0x0000000007E5A000-memory.dmp

Filesize
104KB

Download
memory/1688-61-0x0000000007D40000-0x0000000007D54000-memory.dmp

Filesize
80KB

Download
memory/1688-16-0x0000000005230000-0x0000000005266000-memory.dmp

Filesize
216KB

Download
memory/1688-17-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1688-18-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1688-20-0x00000000058F0000-0x0000000005F18000-memory.dmp

Filesize
6.2MB

Download
memory/1688-60-0x0000000007D30000-0x0000000007D3E000-memory.dmp

Filesize
56KB

Download
memory/1688-59-0x0000000007D00000-0x0000000007D11000-memory.dmp

Filesize
68KB

Download
memory/1688-58-0x0000000007D80000-0x0000000007E16000-memory.dmp

Filesize
600KB

Download
memory/1688-22-0x0000000005810000-0x0000000005832000-memory.dmp

Filesize
136KB

Download
memory/1688-57-0x0000000007B70000-0x0000000007B7A000-memory.dmp

Filesize
40KB

Download
memory/1688-27-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/1688-24-0x0000000005F20000-0x0000000005F86000-memory.dmp

Filesize
408KB

Download
memory/1688-54-0x00000000079E0000-0x0000000007A83000-memory.dmp

Filesize
652KB

Download
memory/1688-43-0x0000000071380000-0x00000000713CC000-memory.dmp

Filesize
304KB

Download
memory/1688-38-0x00000000061F0000-0x0000000006544000-memory.dmp

Filesize
3.3MB

Download
memory/1688-39-0x00000000067D0000-0x00000000067EE000-memory.dmp

Filesize
120KB

Download
memory/1688-40-0x0000000006810000-0x000000000685C000-memory.dmp

Filesize
304KB

Download
memory/1688-53-0x0000000006DC0000-0x0000000006DDE000-memory.dmp

Filesize
120KB

Download
memory/1688-42-0x00000000077A0000-0x00000000077D2000-memory.dmp

Filesize
200KB

Download
memory/1808-5-0x0000000005B10000-0x0000000005B1A000-memory.dmp

Filesize
40KB

Download
memory/1808-2-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/1808-34-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1808-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

Filesize
4KB

Download
memory/1808-7-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

Filesize
4KB

Download
memory/1808-4-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1808-3-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/1808-21-0x0000000006BF0000-0x0000000006C16000-memory.dmp

Filesize
152KB

Download
memory/1808-10-0x0000000008920000-0x0000000008980000-memory.dmp

Filesize
384KB

Download
memory/1808-11-0x0000000008A30000-0x0000000008ACC000-memory.dmp

Filesize
624KB

Download
memory/1808-6-0x0000000005DA0000-0x0000000005DB6000-memory.dmp

Filesize
88KB

Download
memory/1808-9-0x0000000005F20000-0x0000000005F2C000-memory.dmp

Filesize
48KB

Download
memory/1808-8-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1808-1-0x0000000000F30000-0x0000000000FFC000-memory.dmp

Filesize
816KB

Download