Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:21
Static task
static1
Behavioral task
behavioral1
Sample
Request for Quote.dox.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Request for Quote.dox.exe
Resource
win10v2004-20231215-en
General
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Target
Request for Quote.dox.exe
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Size
915KB
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MD5
133fe057686ada7d4e07500c6fca8072
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SHA1
c7fcd044a6f2e1daf9ef68c500d36e49dd814dbc
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SHA256
0d9482728211478fca475c41feb82fc18040801f2ac7210e0bd83491ce1f39cb
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SHA512
e1897d719d30dcb9b70ab08eccc12d46803ba486d2718c1ceea3741f830e734e13d11bcdff4e7d4c45df74f2c34b9d557dd2370901031c055be3c57419b6bb9d
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SSDEEP
12288:swmi0C0e6DjNG1qR0YdgYwegIdNf7lh124bJ80rQ:Z0R/TJLf7jJ
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.efsmanpower.com - Port:
587 - Username:
[email protected] - Password:
Zion#2018
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4832-12-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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 26 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 536 set thread context of 4832 536 Request for Quote.dox.exe 96 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4832 MSBuild.exe 4832 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4832 MSBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 536 wrote to memory of 4832 536 Request for Quote.dox.exe 96 PID 536 wrote to memory of 4832 536 Request for Quote.dox.exe 96 PID 536 wrote to memory of 4832 536 Request for Quote.dox.exe 96 PID 536 wrote to memory of 4832 536 Request for Quote.dox.exe 96 PID 536 wrote to memory of 4832 536 Request for Quote.dox.exe 96 PID 536 wrote to memory of 4832 536 Request for Quote.dox.exe 96 PID 536 wrote to memory of 4832 536 Request for Quote.dox.exe 96 PID 536 wrote to memory of 4832 536 Request for Quote.dox.exe 96 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Request for Quote.dox.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quote.dox.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:536 -
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:4832
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