snakekeylogger | 615a6cc0182c99d30f1421571d06684ebae0a937a38e91a6dc3925d68148eeb1

Analysis

max time kernel
117s
max time network
144s
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 08:27

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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/4592-26-0x0000000000400000-0x0000000000426000-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
1864	powershell.exe
2480	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-1-5-21-786284298-625481688-3210388970-1000\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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dekont.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dekont.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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
21	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1176 set thread context of 4592	1176	dekont.pdf.exe	95

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	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

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
2980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1176	dekont.pdf.exe
1864	powershell.exe
2480	powershell.exe
1176	dekont.pdf.exe
4592	dekont.pdf.exe
1864	powershell.exe
2480	powershell.exe
4592	dekont.pdf.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1176	dekont.pdf.exe
Token: SeDebugPrivilege	1864	powershell.exe
Token: SeDebugPrivilege	2480	powershell.exe
Token: SeDebugPrivilege	4592	dekont.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 1864	1176	dekont.pdf.exe	87
PID 1176 wrote to memory of 1864	1176	dekont.pdf.exe	87
PID 1176 wrote to memory of 1864	1176	dekont.pdf.exe	87
PID 1176 wrote to memory of 2480	1176	dekont.pdf.exe	89
PID 1176 wrote to memory of 2480	1176	dekont.pdf.exe	89
PID 1176 wrote to memory of 2480	1176	dekont.pdf.exe	89
PID 1176 wrote to memory of 2980	1176	dekont.pdf.exe	92
PID 1176 wrote to memory of 2980	1176	dekont.pdf.exe	92
PID 1176 wrote to memory of 2980	1176	dekont.pdf.exe	92
PID 1176 wrote to memory of 4592	1176	dekont.pdf.exe	95
PID 1176 wrote to memory of 4592	1176	dekont.pdf.exe	95
PID 1176 wrote to memory of 4592	1176	dekont.pdf.exe	95
PID 1176 wrote to memory of 4592	1176	dekont.pdf.exe	95
PID 1176 wrote to memory of 4592	1176	dekont.pdf.exe	95
PID 1176 wrote to memory of 4592	1176	dekont.pdf.exe	95
PID 1176 wrote to memory of 4592	1176	dekont.pdf.exe	95
PID 1176 wrote to memory of 4592	1176	dekont.pdf.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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-1-5-21-786284298-625481688-3210388970-1000\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:1176
- 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:1864
- 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:2480
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LtqNXjPVtQPl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB517.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2980
- 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:4592

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
e5efcd883706db16230f6e20f76cdd1c

SHA1
a83cb4306c87a41d5b43e91b36d9b43dd26938ea

SHA256
5b32d101562eeb94ba45a1cd4d4bb2ba345f5a0c0609104a06d605c62d1e777b

SHA512
b0ecaa7a8a2c4755a70928bee47f7835365d07e8ffbc31e1c82a80c8cb6b33237695e3b1a1c561f958637581d43cea654427db86b25ad33e7ccd78f1505b4e36

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kkluobro.gni.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB517.tmp

Filesize
1KB

MD5
69931612b22ea7444a0ff483864e9732

SHA1
697bf5bdee2dc6f87a5aef6d8f1ff1457e758570

SHA256
3bb1f76d15364304a8300851b4293b6ac0c2eb5fdf2e83185e141a07aa308df9

SHA512
8ac2afac78b80d5d0c5ef8751b2a1cc6ea1943e9197c519674df0d0b23e67eb6ca9c026aa2a96cedde507c6cb673f82f66b2757f015098af0f5ef0f14192c008

Download Submit
memory/1176-4-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1176-5-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/1176-6-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/1176-7-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/1176-8-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1176-9-0x0000000006CE0000-0x0000000006D48000-memory.dmp

Filesize
416KB

Download
memory/1176-10-0x0000000009380000-0x000000000941C000-memory.dmp

Filesize
624KB

Download
memory/1176-3-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/1176-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/1176-48-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1176-0-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/1176-1-0x00000000009A0000-0x0000000000A2E000-memory.dmp

Filesize
568KB

Download
memory/1864-25-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1864-82-0x0000000007860000-0x0000000007868000-memory.dmp

Filesize
32KB

Download
memory/1864-23-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/1864-15-0x0000000002940000-0x0000000002976000-memory.dmp

Filesize
216KB

Download
memory/1864-21-0x0000000005360000-0x0000000005382000-memory.dmp

Filesize
136KB

Download
memory/1864-89-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1864-16-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1864-27-0x0000000005C30000-0x0000000005F84000-memory.dmp

Filesize
3.3MB

Download
memory/1864-18-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1864-81-0x0000000007880000-0x000000000789A000-memory.dmp

Filesize
104KB

Download
memory/1864-17-0x0000000005480000-0x0000000005AA8000-memory.dmp

Filesize
6.2MB

Download
memory/1864-24-0x0000000005AB0000-0x0000000005B16000-memory.dmp

Filesize
408KB

Download
memory/1864-80-0x0000000007780000-0x0000000007794000-memory.dmp

Filesize
80KB

Download
memory/1864-71-0x0000000007390000-0x00000000073AE000-memory.dmp

Filesize
120KB

Download
memory/1864-73-0x0000000007410000-0x00000000074B3000-memory.dmp

Filesize
652KB

Download
memory/1864-76-0x00000000075B0000-0x00000000075BA000-memory.dmp

Filesize
40KB

Download
memory/1864-52-0x00000000708C0000-0x000000007090C000-memory.dmp

Filesize
304KB

Download
memory/1864-51-0x00000000073D0000-0x0000000007402000-memory.dmp

Filesize
200KB

Download
memory/1864-74-0x0000000007540000-0x000000000755A000-memory.dmp

Filesize
104KB

Download
memory/2480-49-0x00000000068D0000-0x00000000068EE000-memory.dmp

Filesize
120KB

Download
memory/2480-75-0x0000000008230000-0x00000000088AA000-memory.dmp

Filesize
6.5MB

Download
memory/2480-77-0x0000000007E70000-0x0000000007F06000-memory.dmp

Filesize
600KB

Download
memory/2480-78-0x0000000007DF0000-0x0000000007E01000-memory.dmp

Filesize
68KB

Download
memory/2480-50-0x0000000006910000-0x000000000695C000-memory.dmp

Filesize
304KB

Download
memory/2480-79-0x0000000007E20000-0x0000000007E2E000-memory.dmp

Filesize
56KB

Download
memory/2480-54-0x00000000708C0000-0x000000007090C000-memory.dmp

Filesize
304KB

Download
memory/2480-38-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2480-88-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2480-22-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2480-19-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/4592-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4592-90-0x0000000006C40000-0x0000000006C90000-memory.dmp

Filesize
320KB

Download
memory/4592-91-0x0000000006E60000-0x0000000007022000-memory.dmp

Filesize
1.8MB

Download