Analysis
-
max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
26-11-2023 16:48
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order 257463-013.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Purchase Order 257463-013.exe
Resource
win10v2004-20231025-en
General
-
Target
Purchase Order 257463-013.exe
-
Size
570KB
-
MD5
5051aaf777adf442078cc253bd9b8cf0
-
SHA1
2354257cf3d4ba747ad0546744e01508dc23b9a5
-
SHA256
0d269c5bad8cff20c0b755f7fc1f712f92bf8344590f68c42e120d1c20d3cadd
-
SHA512
6ffcf31ca275f4974436304bad19a7c02d7b0832792cc3a978536c1a71d7b2b10acf68a5d2dfa918a54643fd5bebf215e26e39a36d4924d750019133b868a3fb
-
SSDEEP
12288:8E6jD/f0WocBQBc9YsGSlwdh7CqYkMt9ENzr:8tD/CcBDfGSlwdi9ENr
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.alualuminium.com.my - Port:
587 - Username:
[email protected] - Password:
U8G4S13#8Zk$ - Email To:
[email protected]
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2768-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2768-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2768-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2768-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2768-21-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\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.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase Order 257463-013.exedescription pid process target process PID 2908 set thread context of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 2768 MSBuild.exe 2768 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 2768 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Purchase Order 257463-013.exedescription pid process target process PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe PID 2908 wrote to memory of 2768 2908 Purchase Order 257463-013.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order 257463-013.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order 257463-013.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2908 -
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:2768