Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27/01/2025, 14:58
Behavioral task
behavioral1
Sample
bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe
Resource
win7-20240903-en
General
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Target
bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe
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Size
59KB
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MD5
d68fc67a121a8be5a8e0b967ef555760
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SHA1
9fa5b1efcccb532c6429d7cbcfc9a53cc0db939d
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SHA256
bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2
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SHA512
9df787d696918ad10221542e995a790b834c04f6af4806d1e7d2a5f6336ce862c65f2c18abae066c07db936e288abc390a258e39065636152a433290911d3053
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SSDEEP
1536:F9QbqFSKDNov9Ra51vFb2NXcklRuu2ermFFL5oVcSo:78qUKDav9RevREtlsermdo/
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2228 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe -
Executes dropped EXE 1 IoCs
pid Process 2228 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe -
resource yara_rule behavioral2/memory/4740-0-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral2/files/0x000b000000023b72-11.dat upx behavioral2/memory/2228-13-0x0000000000400000-0x000000000043D000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 1 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 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4740 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4740 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe 2228 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4740 wrote to memory of 2228 4740 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe 86 PID 4740 wrote to memory of 2228 4740 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe 86 PID 4740 wrote to memory of 2228 4740 bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe"C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exeC:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\bc862f681a9ac5602d966bab453a664724004573cde4db33d59ee5aa61cb53e2N.exe
Filesize59KB
MD5c9fc0bbcc2c440869a2bab0b3f5ecd75
SHA103760e81f323ccd0de849c6f81d46bc903e0fa5e
SHA2568c4b2ca129ec5660282eb329c98b42b27c114fc4b34c65b6e6f0d2adaea929fc
SHA51214aee23142b7f3edf71f2cdb263cacd59dd8e04306f61ffc5d1d82a28443f8b825b499294e6ffb2db63f330d29dc6f10648318c07e6606eee7d780bc5cc0c524