Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-12-2024 03:29
Static task
static1
Behavioral task
behavioral1
Sample
7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241023-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe
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Size
464KB
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MD5
fd9335d7160883534e42839297a65c7d
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SHA1
80cd18a77f7896e06adc5bb4eb544e6c7e5bad5d
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SHA256
7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9
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SHA512
18661ad7313f2d366083ac000e48e86bb8c5ec889494ade7488ef7dc81a97adc867753100517d5d86a2e76b283672e1c958811d7f0ffa735388aa88a1cd7dda8
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SSDEEP
12288:I5AzzWpSFt+rLm8vGaQ/Zwu7Jj1JK8s5FEeKW:ZzzMSFOLmQGaQ/Zwu7Jj1Jicev
Malware Config
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Disables Task Manager via registry modification
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Loads dropped DLL 2 IoCs
pid Process 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.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.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 20 drive.google.com 21 drive.google.com -
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 33 checkip.dyndns.org -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\hjemmecomputeren.Pot 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 1376 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe 1376 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4728 set thread context of 1376 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe 88 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1376 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1376 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4728 wrote to memory of 1376 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe 88 PID 4728 wrote to memory of 1376 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe 88 PID 4728 wrote to memory of 1376 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe 88 PID 4728 wrote to memory of 1376 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe 88 PID 4728 wrote to memory of 1376 4728 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe"C:\Users\Admin\AppData\Local\Temp\7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4728 -
C:\Users\Admin\AppData\Local\Temp\7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe"C:\Users\Admin\AppData\Local\Temp\7fccb9545a51bb6d40e9c78bf9bc51dc2d2a78a27b81bf1c077eaf405cbba6e9.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1376
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5ee260c45e97b62a5e42f17460d406068
SHA1df35f6300a03c4d3d3bd69752574426296b78695
SHA256e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
SHA512a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3