Resubmissions
15-08-2024 11:42
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240815-nrkz1avbpj 1015-08-2024 11:36
240815-nqyjpsvbmq 1015-08-2024 11:33
240815-npbcsavbjm 10Analysis
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max time kernel
26s -
max time network
21s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15-08-2024 11:36
Static task
static1
Behavioral task
behavioral1
Sample
ae1265e9fe0ac39bbe970a3fa66c64b0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ae1265e9fe0ac39bbe970a3fa66c64b0N.exe
Resource
win10v2004-20240802-en
General
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Target
ae1265e9fe0ac39bbe970a3fa66c64b0N.exe
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Size
282KB
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MD5
ae1265e9fe0ac39bbe970a3fa66c64b0
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SHA1
9239a5d795a2d97e72e7bd9b48b125d0e2459960
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SHA256
87a574cbf6233e2fd7a3872da22451ae49f6248cca5c900dab49207e0f0135b0
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SHA512
ff66d820fd16cc06ee99b995b1de7aa22d545da35518a1b02c5d5dee6a2d6c8670d3c3ba6934c0f0ebeaadb577c9de91dd9db8f8b27d1636f4f7514a6b4430a5
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SSDEEP
6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfQ:boSeGUA5YZazpXUmZhZ6Sp
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.
Processes:
ae1265e9fe0ac39bbe970a3fa66c64b0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation ae1265e9fe0ac39bbe970a3fa66c64b0N.exe -
Executes dropped EXE 1 IoCs
Processes:
a1punf5t2of.exepid process 1128 a1punf5t2of.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
ae1265e9fe0ac39bbe970a3fa66c64b0N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" ae1265e9fe0ac39bbe970a3fa66c64b0N.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.
Processes:
ae1265e9fe0ac39bbe970a3fa66c64b0N.exea1punf5t2of.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ae1265e9fe0ac39bbe970a3fa66c64b0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1punf5t2of.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
ae1265e9fe0ac39bbe970a3fa66c64b0N.exea1punf5t2of.exedescription pid process target process PID 4592 wrote to memory of 1128 4592 ae1265e9fe0ac39bbe970a3fa66c64b0N.exe a1punf5t2of.exe PID 4592 wrote to memory of 1128 4592 ae1265e9fe0ac39bbe970a3fa66c64b0N.exe a1punf5t2of.exe PID 4592 wrote to memory of 1128 4592 ae1265e9fe0ac39bbe970a3fa66c64b0N.exe a1punf5t2of.exe PID 1128 wrote to memory of 1008 1128 a1punf5t2of.exe a1punf5t2of.exe PID 1128 wrote to memory of 1008 1128 a1punf5t2of.exe a1punf5t2of.exe PID 1128 wrote to memory of 1008 1128 a1punf5t2of.exe a1punf5t2of.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ae1265e9fe0ac39bbe970a3fa66c64b0N.exe"C:\Users\Admin\AppData\Local\Temp\ae1265e9fe0ac39bbe970a3fa66c64b0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"3⤵PID:1008
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
282KB
MD59b5367092ff3a75fef7c0ce9f8e5c41b
SHA1dd2b6cd3536436e42b6c4b0bb30d815502c8c163
SHA256b1628c7693da2efc60ac42669299a2be7528806f3517c9362231b3acf13e6e7b
SHA512465f233ee48270b0acf9d97020e7f7d60d651b1b998f65f40cdd5bbe23c1074ce0de45a48b13c61ce27bc51a9ce5dd0aa0095f0b75dc95fd4fc9ddaf5d5c851c