Analysis
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max time kernel
119s -
max time network
20s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/11/2024, 14:09
Static task
static1
Behavioral task
behavioral1
Sample
989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe
Resource
win10v2004-20241007-en
General
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Target
989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe
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Size
47KB
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MD5
6586df319cb76bfbca75fb572333ede0
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SHA1
982df5d6de91fbef925b66067300bbf697bd8798
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SHA256
989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68
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SHA512
14acda68c960ce605b188b6bd8ee6bfb5e6104a59bde4a4b1659e895c9a4ef2cbeb57fe59a7d176682b3fa99e621e2f29921dc03c9122bfbf1b064054ac75698
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNht:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYN
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2544 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2544 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe -
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 989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1924 wrote to memory of 2544 1924 989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe 30 PID 1924 wrote to memory of 2544 1924 989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe 30 PID 1924 wrote to memory of 2544 1924 989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe 30 PID 1924 wrote to memory of 2544 1924 989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe"C:\Users\Admin\AppData\Local\Temp\989bc9570bcf490c4bbe5dfacf8e4762c694e06cd2ffd0d640af6544181e6e68N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:2544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD5418478bd815a8d9320ed0e692ad514f5
SHA1520f370f3b00ccd7cd472b191c55b62c498af77c
SHA2561fbf226e0075004d526b92a7ffe6ccf9e424754d6059bf47ed77d99eaacb9b47
SHA512cc9a85ba0e44f58a4e6ddf5b0a28c179ffeeaf3102cf081c793850ee19adea9b91323de74bdaac5a60183e73fafaa04959436579ecef29d4f99e65e6bd67939b