Analysis
- max time kernel
57s - max time network
129s - platform
windows7_x64 - resource
win7-20220414-en - submitted
15/06/2022, 18:16
Static task
static1
Behavioral task
behavioral1
Sample
Pdf.0193.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Pdf.0193.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target Pdf.0193.exe
- Size 430KB
- Sample220615-wwfvvaddf8
- SHA256 b3ff992cc3e6d83faa2328915e916df30b9484ca21f35e1d96f7a6a7fa0a44ac
- MD5 fe18ff71816a5518eb2175b6785b3f47
- SHA1 2adb4109a52e49dc6942f3d7df7bc78a1883f122
- SHA512 5239d86838888a122284ac057e5103f01dffda05ea7d6874305c275b63317e31eb8f5fe77476cf28027f3a60525f643f239a8af9f1ed005cdaf8fc982c4dbb47
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot5461506023:AAGIvK_COq20pbnJcjDoHfGwsE3MgRID8Mg/sendMessage?chat_id=819442466
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 6 IoCs
resource yara_rule behavioral1/memory/840-62-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/840-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/840-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/840-66-0x000000000042022E-mapping.dmp family_snakekeylogger behavioral1/memory/840-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/840-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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 4 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1396 set thread context of 840 1396 Pdf.0193.exe 27 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 840 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 840 MSBuild.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 PID 1396 wrote to memory of 840 1396 Pdf.0193.exe 27 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Pdf.0193.exe"C:\Users\Admin\AppData\Local\Temp\Pdf.0193.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1396 -
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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:840
-