Analysis
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max time kernel
87s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24-04-2023 14:20
Static task
static1
Behavioral task
behavioral1
Sample
5ae16d5f8eae9b63068ad5a08a311179.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
5ae16d5f8eae9b63068ad5a08a311179.exe
Resource
win10v2004-20230220-en
General
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Target
5ae16d5f8eae9b63068ad5a08a311179.exe
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Size
637KB
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MD5
5ae16d5f8eae9b63068ad5a08a311179
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SHA1
4189bf7a6fe8473395ee5814ca19a5aa70a20158
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SHA256
cc138ced1fbc3fd146c76a8ab520bc6e436b84a4cd26542e8d75ae57c435511d
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SHA512
774ecae4f72e9535c2bea549aa73c3a3872a772aff01924f52d1f7975a5f3039d75506b8c7956599eb028e2e10096e8b0a47c6232d355f3872a5c5215e4ac296
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SSDEEP
12288:opGBO5ZZC/W2n9wl/mbORAuDSRB6okvdT1lPQiowic/7:mGqTC/fW/tRAu+RJk1RlPPse
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6102267622:AAFFZ_GvUj4OisNxsdlwZ5OHZVEfanDQBf0/sendMessage?chat_id=6107719374
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/332-62-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/332-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/332-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/332-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/332-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/332-70-0x0000000004A40000-0x0000000004A80000-memory.dmp family_snakekeylogger -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 5 IoCs
resource yara_rule behavioral1/memory/332-62-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/332-63-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/332-65-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/332-67-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/332-69-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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 1240 set thread context of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 332 MSBuild.exe 332 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 332 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 PID 1240 wrote to memory of 332 1240 5ae16d5f8eae9b63068ad5a08a311179.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5ae16d5f8eae9b63068ad5a08a311179.exe"C:\Users\Admin\AppData\Local\Temp\5ae16d5f8eae9b63068ad5a08a311179.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1240 -
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:332
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