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Analysis
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max time kernel
148s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
09/05/2023, 07:52
Static task
static1
Behavioral task
behavioral1
Sample
APPROVE FI without value. 08-05-23.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
APPROVE FI without value. 08-05-23.exe
Resource
win10v2004-20230220-en
General
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Target
APPROVE FI without value. 08-05-23.exe
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Size
169KB
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MD5
61283feeb2c28dc764c8427a85c7a8b1
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SHA1
d4faefdaebadaaa4dd609504740ab24db6e9769d
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SHA256
9ae2e398f3c3346697bec12a775d67d2f74cbedf1f8b676df3a967e47a88a7c4
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SHA512
d826491b373af5f425b8fe7b2050ba77e5f0b7754b82e2b6867f943fe8dc902edcdbec830279e6d31e2fe7af9d1a2f44f013efb792519794ad97cf1b3c285aff
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SSDEEP
3072:EwJ52Y7ZoH5XJaqKz8HIoLmMXmWz0kmARQ/1k75erJq0uVOusH+wCmDiHo6FsvHt:EwHysqKzL8X50kmARQ/1eerjVuSN1HYW
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Checks QEMU agent file 2 TTPs 1 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe APPROVE FI without value. 08-05-23.exe -
Loads dropped DLL 1 IoCs
pid Process 2016 APPROVE FI without value. 08-05-23.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2016 APPROVE FI without value. 08-05-23.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2016 set thread context of 544 2016 APPROVE FI without value. 08-05-23.exe 28 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\resources\0409\Cedre\Mecometer.Smr APPROVE FI without value. 08-05-23.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2016 APPROVE FI without value. 08-05-23.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2016 wrote to memory of 544 2016 APPROVE FI without value. 08-05-23.exe 28 PID 2016 wrote to memory of 544 2016 APPROVE FI without value. 08-05-23.exe 28 PID 2016 wrote to memory of 544 2016 APPROVE FI without value. 08-05-23.exe 28 PID 2016 wrote to memory of 544 2016 APPROVE FI without value. 08-05-23.exe 28 PID 2016 wrote to memory of 544 2016 APPROVE FI without value. 08-05-23.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\APPROVE FI without value. 08-05-23.exe"C:\Users\Admin\AppData\Local\Temp\APPROVE FI without value. 08-05-23.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Users\Admin\AppData\Local\Temp\APPROVE FI without value. 08-05-23.exe"C:\Users\Admin\AppData\Local\Temp\APPROVE FI without value. 08-05-23.exe"2⤵PID:544
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d