Analysis
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max time kernel
146s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2024 08:32
Static task
static1
Behavioral task
behavioral1
Sample
REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe
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Size
1.1MB
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MD5
da770716c7b0b341d67ef18b167e0b2f
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SHA1
0efb141bd12fcdeded78fb0eb30b48f1377cde8b
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SHA256
6e64f28c7d7dc9f4f9590d3230de7a22dc5b982999c20dd5275cd0022405e131
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SHA512
342a178500baf69119eb5867cbb57dfb5da0fe8cb5ea8575a112c4836c0c250473e153c39ab32bd6d5c34a9b284179c352b2087436364618579036cde7020714
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SSDEEP
24576:mp7xzos/n1G90iLTUhItX4GlA18wgrkUgoAL7ewgFZSv+:Uxzog1GuMUlGPA34S2
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 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.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\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 14 drive.google.com 15 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 30 checkip.dyndns.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2836 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe 2836 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2184 set thread context of 2836 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe 83 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Fonts\inconversibility\agouti.ini REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe -
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 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2836 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2836 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2184 wrote to memory of 2836 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe 83 PID 2184 wrote to memory of 2836 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe 83 PID 2184 wrote to memory of 2836 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe 83 PID 2184 wrote to memory of 2836 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe 83 PID 2184 wrote to memory of 2836 2184 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe 83 -
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 REQUESTFORQUOATIONANDPRICES0106-24_pdf.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 REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe"C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0106-24_pdf.exe"C:\Users\Admin\AppData\Local\Temp\REQUESTFORQUOATIONANDPRICES0106-24_pdf.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:2836
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD517ed1c86bd67e78ade4712be48a7d2bd
SHA11cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA256bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
SHA5120cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5