snakekeylogger | 615a6cc0182c99d30f1421571d06684ebae0a937a38e91a6dc3925d68148eeb1

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
27-09-2024 13:25

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General

Target

dekont.pdf.exe
Size

538KB
MD5

5fefb939b823e2ab745c9be76201cfb4
SHA1

59cad4aab5564363ec8ebd8c9c8784422679f867
SHA256

615a6cc0182c99d30f1421571d06684ebae0a937a38e91a6dc3925d68148eeb1
SHA512

2e56d553ba3110c5dc121113b26468513ea06902343c46bd96b8573672636c12633df10e3c41b7ffbd2c8fbb3b54bb413f5c8adb00596c3447105cc2c3fe9108
SSDEEP

12288:S9r++61ogaQ3+qQCydqVqcgHtC4wtd9qdm1BmJ27XdtTJV:S5++61o1MqJHwBtD

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4520-46-0x0000000000400000-0x0000000000426000-memory.dmp	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
648	powershell.exe
2300	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	dekont.pdf.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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dekont.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dekont.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dekont.pdf.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
19	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 4520	1780	dekont.pdf.exe	96

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	dekont.pdf.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	dekont.pdf.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
2336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1780	dekont.pdf.exe
648	powershell.exe
2300	powershell.exe
1780	dekont.pdf.exe
1780	dekont.pdf.exe
1780	dekont.pdf.exe
1780	dekont.pdf.exe
1780	dekont.pdf.exe
4520	dekont.pdf.exe
648	powershell.exe
2300	powershell.exe
4520	dekont.pdf.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	dekont.pdf.exe
Token: SeDebugPrivilege	648	powershell.exe
Token: SeDebugPrivilege	2300	powershell.exe
Token: SeDebugPrivilege	4520	dekont.pdf.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 648	1780	dekont.pdf.exe	88
PID 1780 wrote to memory of 648	1780	dekont.pdf.exe	88
PID 1780 wrote to memory of 648	1780	dekont.pdf.exe	88
PID 1780 wrote to memory of 2300	1780	dekont.pdf.exe	90
PID 1780 wrote to memory of 2300	1780	dekont.pdf.exe	90
PID 1780 wrote to memory of 2300	1780	dekont.pdf.exe	90
PID 1780 wrote to memory of 2336	1780	dekont.pdf.exe	92
PID 1780 wrote to memory of 2336	1780	dekont.pdf.exe	92
PID 1780 wrote to memory of 2336	1780	dekont.pdf.exe	92
PID 1780 wrote to memory of 1660	1780	dekont.pdf.exe	94
PID 1780 wrote to memory of 1660	1780	dekont.pdf.exe	94
PID 1780 wrote to memory of 1660	1780	dekont.pdf.exe	94
PID 1780 wrote to memory of 2372	1780	dekont.pdf.exe	95
PID 1780 wrote to memory of 2372	1780	dekont.pdf.exe	95
PID 1780 wrote to memory of 2372	1780	dekont.pdf.exe	95
PID 1780 wrote to memory of 4520	1780	dekont.pdf.exe	96
PID 1780 wrote to memory of 4520	1780	dekont.pdf.exe	96
PID 1780 wrote to memory of 4520	1780	dekont.pdf.exe	96
PID 1780 wrote to memory of 4520	1780	dekont.pdf.exe	96
PID 1780 wrote to memory of 4520	1780	dekont.pdf.exe	96
PID 1780 wrote to memory of 4520	1780	dekont.pdf.exe	96
PID 1780 wrote to memory of 4520	1780	dekont.pdf.exe	96
PID 1780 wrote to memory of 4520	1780	dekont.pdf.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dekont.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dekont.pdf.exe

C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780
- 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\dekont.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:648
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LtqNXjPVtQPl.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2300
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LtqNXjPVtQPl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8E0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2336
- C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe"
  2⤵
  PID:1660
- C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe"
  2⤵
  PID:2372
- C:\Users\Admin\AppData\Local\Temp\dekont.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\dekont.pdf.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:4520

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

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

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
a2309626878124b3ae352bbc57a60d90

SHA1
cf8e4704cccc6fc7c348d8e2cffb5aab6080afca

SHA256
c5eb314e5f6a2921afd47c1840365a51387d1e9631a163dee3165bac48915df6

SHA512
bc7e7f39dcc023933aaca1a72f80afe6f8494eebe751318e4f20f54b5e034dab110295827b85f35b7714fcd4bd27c052162b32cc8734c1f10b24078b87f6fd9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ewh3z2k.wzm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB8E0.tmp

Filesize
1KB

MD5
9c845edcb0fc56e3fd120772934b5bad

SHA1
16b5580d3bae039e4f0edbccb35954733bab59eb

SHA256
c1be678d3258e358952b3cd39f1617f4eb9c43cf38d4c19c52880b1fbec4e8b8

SHA512
dff6f2cc0e1e0e561789a75e5c306f235fbac3eb9bf2a8fb0ab65b580d5e44d57427beba83aa36da1fdff8147206635dd5de209f52cec28fc9e0d684bce36100

Download Submit
memory/648-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/648-15-0x00000000020C0000-0x00000000020F6000-memory.dmp

Filesize
216KB

Download
memory/648-80-0x0000000006F60000-0x0000000006F74000-memory.dmp

Filesize
80KB

Download
memory/648-81-0x0000000007060000-0x000000000707A000-memory.dmp

Filesize
104KB

Download
memory/648-25-0x0000000005450000-0x00000000057A4000-memory.dmp

Filesize
3.3MB

Download
memory/648-82-0x0000000007040000-0x0000000007048000-memory.dmp

Filesize
32KB

Download
memory/648-89-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/648-22-0x00000000053E0000-0x0000000005446000-memory.dmp

Filesize
408KB

Download
memory/648-16-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/648-17-0x0000000004D00000-0x0000000005328000-memory.dmp

Filesize
6.2MB

Download
memory/648-53-0x00000000714C0000-0x000000007150C000-memory.dmp

Filesize
304KB

Download
memory/648-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/648-21-0x0000000004C60000-0x0000000004CC6000-memory.dmp

Filesize
408KB

Download
memory/648-20-0x0000000004B40000-0x0000000004B62000-memory.dmp

Filesize
136KB

Download
memory/1780-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1780-5-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

Filesize
40KB

Download
memory/1780-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/1780-2-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/1780-10-0x0000000008C50000-0x0000000008CEC000-memory.dmp

Filesize
624KB

Download
memory/1780-1-0x00000000003A0000-0x000000000042E000-memory.dmp

Filesize
568KB

Download
memory/1780-9-0x00000000065C0000-0x0000000006628000-memory.dmp

Filesize
416KB

Download
memory/1780-8-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1780-48-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1780-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/1780-6-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/1780-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/2300-76-0x00000000077E0000-0x00000000077EA000-memory.dmp

Filesize
40KB

Download
memory/2300-79-0x00000000079A0000-0x00000000079AE000-memory.dmp

Filesize
56KB

Download
memory/2300-64-0x0000000006A10000-0x0000000006A2E000-memory.dmp

Filesize
120KB

Download
memory/2300-52-0x00000000714C0000-0x000000007150C000-memory.dmp

Filesize
304KB

Download
memory/2300-74-0x0000000007DB0000-0x000000000842A000-memory.dmp

Filesize
6.5MB

Download
memory/2300-75-0x0000000007770000-0x000000000778A000-memory.dmp

Filesize
104KB

Download
memory/2300-51-0x0000000007410000-0x0000000007442000-memory.dmp

Filesize
200KB

Download
memory/2300-77-0x00000000079F0000-0x0000000007A86000-memory.dmp

Filesize
600KB

Download
memory/2300-78-0x0000000007970000-0x0000000007981000-memory.dmp

Filesize
68KB

Download
memory/2300-73-0x0000000007650000-0x00000000076F3000-memory.dmp

Filesize
652KB

Download
memory/2300-50-0x00000000069A0000-0x00000000069EC000-memory.dmp

Filesize
304KB

Download
memory/2300-49-0x0000000006340000-0x000000000635E000-memory.dmp

Filesize
120KB

Download
memory/2300-24-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/2300-36-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/2300-88-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/2300-31-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4520-46-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4520-90-0x0000000006800000-0x0000000006850000-memory.dmp

Filesize
320KB

Download
memory/4520-91-0x0000000006A20000-0x0000000006BE2000-memory.dmp

Filesize
1.8MB

Download