Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2024, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe
Resource
win10v2004-20241007-en
General
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Target
a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe
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Size
34KB
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MD5
579ba1f94a20b664bbf50263b093c750
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SHA1
cb5a6bd565b0cd8792b319263422cda67b75398b
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SHA256
a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4
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SHA512
9665e476db44bbded331b9c6536fa6327971dd6614a5739d3e8b4c79d0dfd714a3bd81b10eb68023cafcc11789e63bb67f158608eb7907200ff53ddbcc13db29
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SSDEEP
768:Mp2FrwTmoTvjC0+ydn5GAX3+gUDog3FlJA:gwr2C0+yEZDogHK
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation viewpdf_updater.exe -
Executes dropped EXE 1 IoCs
pid Process 4496 viewpdf_updater.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 a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language viewpdf_updater.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3364 wrote to memory of 4496 3364 a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe 86 PID 3364 wrote to memory of 4496 3364 a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe 86 PID 3364 wrote to memory of 4496 3364 a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe"C:\Users\Admin\AppData\Local\Temp\a774ee443fdfaf299c71a9e59eb9e2e4f907edc49807ff328128d164d5d855f4.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Users\Admin\AppData\Local\Temp\viewpdf_updater.exe"C:\Users\Admin\AppData\Local\Temp\viewpdf_updater.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4496
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34KB
MD5457fce982b9c3580d08218b37566c786
SHA1d8570acba4d46015793fe8a4536f9271e61cd0bc
SHA2569c839f0ee771e67cf70ac0491b1cf6171d98f695c1b1d0c25f32e520a1404291
SHA512ac5d1dff1d7ba76ce6f2fd9effa9b8a5371833aa6dcbac3e9e88634f7e93e7a1bc0f1f82bdb5d04ee4622bde34c66c0f51abb79749c98150c397390c84cc44c1