Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2024, 01:24
Static task
static1
Behavioral task
behavioral1
Sample
bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe
Resource
win10v2004-20240802-en
General
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Target
bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe
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Size
56KB
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MD5
84e2fa7df78abfe64afc8075fd5dea17
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SHA1
deadc7765027a83d0492c98d133fe704031b9901
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SHA256
bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf
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SHA512
77efec9380dc52919166d796c7c0670bcd4be4884de3ca418d5b243da33d0b5a072afbbe046d57993090d5d7ef7475ff7240d1e4a9014c8edfdf0c6c112a10d9
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/iVTab3GRuv3VylsPxA1hD:79mqyNhQMOtEvwDpjBPY7xv3gy5uhD
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe -
Executes dropped EXE 1 IoCs
pid Process 1816 asih.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 bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1820 wrote to memory of 1816 1820 bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe 82 PID 1820 wrote to memory of 1816 1820 bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe 82 PID 1820 wrote to memory of 1816 1820 bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe"C:\Users\Admin\AppData\Local\Temp\bf66050d890110e3a571762af9b0c061ea42c9edfd7337e6e036c8dcc2b70caf.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5e9c2681bc55a67800665e66819514369
SHA1266626848237c83bf02fb7167b9b96544bd3c5f1
SHA256726235a54ea98f767e6648c8464cd83f10e85c860f5d8a43d307330bc09a42f8
SHA512041c8cdcfde5781811fb9d13982ead8e23fdd1adb0ba77d3bb44f2fca1c06060c38f0162e677afc40f5b1a045c394b9d1f12827ea7e4c18115c01d6cd03a8e09