snakekeylogger | c0972bed1bf730f5247f0ee2db6fe2f15b97217b6cfb42a024dc3aad4ec20341

Analysis

max time kernel
117s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 15:56

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General

Target

AWBRef339720937705pdf.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

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 1 IoCs

resource	yara_rule
behavioral2/memory/3996-32-0x0000000000400000-0x0000000000426000-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
2668	powershell.exe
4260	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	AWBRef339720937705pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\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
12	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1784 set thread context of 3996	1784	AWBRef339720937705pdf.exe	93

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	AWBRef339720937705pdf.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
3764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2668	powershell.exe
4260	powershell.exe
3996	RegSvcs.exe
2668	powershell.exe
4260	powershell.exe
3996	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	4260	powershell.exe
Token: SeDebugPrivilege	3996	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2668	1784	AWBRef339720937705pdf.exe	87
PID 1784 wrote to memory of 2668	1784	AWBRef339720937705pdf.exe	87
PID 1784 wrote to memory of 2668	1784	AWBRef339720937705pdf.exe	87
PID 1784 wrote to memory of 4260	1784	AWBRef339720937705pdf.exe	89
PID 1784 wrote to memory of 4260	1784	AWBRef339720937705pdf.exe	89
PID 1784 wrote to memory of 4260	1784	AWBRef339720937705pdf.exe	89
PID 1784 wrote to memory of 3764	1784	AWBRef339720937705pdf.exe	91
PID 1784 wrote to memory of 3764	1784	AWBRef339720937705pdf.exe	91
PID 1784 wrote to memory of 3764	1784	AWBRef339720937705pdf.exe	91
PID 1784 wrote to memory of 3996	1784	AWBRef339720937705pdf.exe	93
PID 1784 wrote to memory of 3996	1784	AWBRef339720937705pdf.exe	93
PID 1784 wrote to memory of 3996	1784	AWBRef339720937705pdf.exe	93
PID 1784 wrote to memory of 3996	1784	AWBRef339720937705pdf.exe	93
PID 1784 wrote to memory of 3996	1784	AWBRef339720937705pdf.exe	93
PID 1784 wrote to memory of 3996	1784	AWBRef339720937705pdf.exe	93
PID 1784 wrote to memory of 3996	1784	AWBRef339720937705pdf.exe	93
PID 1784 wrote to memory of 3996	1784	AWBRef339720937705pdf.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\AWBRef339720937705pdf.exe
"C:\Users\Admin\AppData\Local\Temp\AWBRef339720937705pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1784
- 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\AWBRef339720937705pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2668
- 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:4260
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BtEYlavlla" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE5A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3764
- 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:3996

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
b2f76ce3d58b823c9740d0c242b0c57b

SHA1
5a648d1eaee55dac984fbb8dca6e66ffc92b704e

SHA256
be099fd8952909644a7629ec4d65f67d2f2c40e6c98ef16479c6d30dd1a04e26

SHA512
34a037a3785ac9f69c60f50225382d7a5df15855348bb52366236693523ea0ca048c27e3db8bdfef8015c21839177d5d965a947117236062ad88b68366127133

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gsozncjv.uyo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE5A.tmp

Filesize
1KB

MD5
cdaa0e52bb54dfdbb7eeabdbf6a10bbf

SHA1
caf347e32f050f2aff00093b2f0830aff2f99d66

SHA256
8996570dbfc5d0e19605d143af8d1eb5236a0af8a9b05c92a559072a295be151

SHA512
d58cb1fd4628cf73ba0f2845d84665798d68324a35350f61355ce3e30470ca20574e0f4fa7d88ec249f4fec7ca94c87a9168aab47f106e5aebb82aba2397963b

Download Submit
memory/1784-8-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/1784-4-0x0000000005530000-0x000000000553A000-memory.dmp

Filesize
40KB

Download
memory/1784-6-0x0000000005B20000-0x0000000005B30000-memory.dmp

Filesize
64KB

Download
memory/1784-7-0x00000000750DE000-0x00000000750DF000-memory.dmp

Filesize
4KB

Download
memory/1784-1-0x0000000000AF0000-0x0000000000B88000-memory.dmp

Filesize
608KB

Download
memory/1784-9-0x0000000007130000-0x0000000007198000-memory.dmp

Filesize
416KB

Download
memory/1784-10-0x0000000009800000-0x000000000989C000-memory.dmp

Filesize
624KB

Download
memory/1784-48-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/1784-0-0x00000000750DE000-0x00000000750DF000-memory.dmp

Filesize
4KB

Download
memory/1784-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

Filesize
5.6MB

Download
memory/1784-3-0x0000000005620000-0x00000000056B2000-memory.dmp

Filesize
584KB

Download
memory/1784-5-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2668-21-0x00000000053F0000-0x0000000005412000-memory.dmp

Filesize
136KB

Download
memory/2668-38-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2668-24-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/2668-23-0x0000000005490000-0x00000000054F6000-memory.dmp

Filesize
408KB

Download
memory/2668-25-0x0000000005DA0000-0x00000000060F4000-memory.dmp

Filesize
3.3MB

Download
memory/2668-18-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2668-16-0x0000000005510000-0x0000000005B38000-memory.dmp

Filesize
6.2MB

Download
memory/2668-89-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2668-17-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2668-15-0x0000000004DD0000-0x0000000004E06000-memory.dmp

Filesize
216KB

Download
memory/2668-64-0x0000000071660000-0x00000000716AC000-memory.dmp

Filesize
304KB

Download
memory/2668-49-0x0000000006370000-0x000000000638E000-memory.dmp

Filesize
120KB

Download
memory/2668-50-0x0000000006750000-0x000000000679C000-memory.dmp

Filesize
304KB

Download
memory/2668-79-0x00000000078E0000-0x00000000078EE000-memory.dmp

Filesize
56KB

Download
memory/2668-78-0x00000000078B0000-0x00000000078C1000-memory.dmp

Filesize
68KB

Download
memory/2668-77-0x0000000007930000-0x00000000079C6000-memory.dmp

Filesize
600KB

Download
memory/3996-32-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3996-90-0x0000000005F30000-0x0000000005F80000-memory.dmp

Filesize
320KB

Download
memory/3996-91-0x0000000006150000-0x0000000006312000-memory.dmp

Filesize
1.8MB

Download
memory/4260-81-0x0000000007730000-0x000000000774A000-memory.dmp

Filesize
104KB

Download
memory/4260-82-0x0000000007710000-0x0000000007718000-memory.dmp

Filesize
32KB

Download
memory/4260-62-0x0000000007020000-0x000000000703E000-memory.dmp

Filesize
120KB

Download
memory/4260-51-0x0000000007040000-0x0000000007072000-memory.dmp

Filesize
200KB

Download
memory/4260-52-0x0000000071660000-0x00000000716AC000-memory.dmp

Filesize
304KB

Download
memory/4260-80-0x0000000007630000-0x0000000007644000-memory.dmp

Filesize
80KB

Download
memory/4260-63-0x0000000007290000-0x0000000007333000-memory.dmp

Filesize
652KB

Download
memory/4260-76-0x0000000007460000-0x000000000746A000-memory.dmp

Filesize
40KB

Download
memory/4260-26-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4260-22-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4260-19-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4260-88-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4260-75-0x00000000073F0000-0x000000000740A000-memory.dmp

Filesize
104KB

Download
memory/4260-74-0x0000000007A30000-0x00000000080AA000-memory.dmp

Filesize
6.5MB

Download