Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 05:55
Static task
static1
Behavioral task
behavioral1
Sample
RFQOrderlist2667747.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
RFQOrderlist2667747.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
RFQOrderlist2667747.exe
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Size
1.1MB
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MD5
a960ccb51d71f03c5007ef4d3f43d0f4
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SHA1
89ceba1e59076fbf61cb9665205e07f88b579dd0
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SHA256
4221c81003cc28d54d32c79e648174781b9b01091b40fbeeff41dfc1e3ed67cf
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SHA512
7ecdbeec9e0eccd5c1e1fa1e453106fc38b440ca24d1d7af414fb0bd208e4cd19f03c1549240782b14db7e1a5b45cd358f5600e43503e0ef236fed198b1244c8
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SSDEEP
24576:op7xzos/n1G9wKlc7il3VokalwuLTYz046T:Sxzog1GPSMSkaCBzC
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 3408 RFQOrderlist2667747.exe 3408 RFQOrderlist2667747.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQOrderlist2667747.exe Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQOrderlist2667747.exe Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQOrderlist2667747.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 436 RFQOrderlist2667747.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3408 RFQOrderlist2667747.exe 436 RFQOrderlist2667747.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3408 set thread context of 436 3408 RFQOrderlist2667747.exe 84 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Fonts\inconversibility\agouti.ini RFQOrderlist2667747.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 RFQOrderlist2667747.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RFQOrderlist2667747.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 436 RFQOrderlist2667747.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3408 RFQOrderlist2667747.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 436 RFQOrderlist2667747.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3408 wrote to memory of 436 3408 RFQOrderlist2667747.exe 84 PID 3408 wrote to memory of 436 3408 RFQOrderlist2667747.exe 84 PID 3408 wrote to memory of 436 3408 RFQOrderlist2667747.exe 84 PID 3408 wrote to memory of 436 3408 RFQOrderlist2667747.exe 84 PID 3408 wrote to memory of 436 3408 RFQOrderlist2667747.exe 84 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQOrderlist2667747.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQOrderlist2667747.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQOrderlist2667747.exe"C:\Users\Admin\AppData\Local\Temp\RFQOrderlist2667747.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:3408 -
C:\Users\Admin\AppData\Local\Temp\RFQOrderlist2667747.exe"C:\Users\Admin\AppData\Local\Temp\RFQOrderlist2667747.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:436
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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