Analysis
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max time kernel
119s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11/11/2024, 10:57
Static task
static1
Behavioral task
behavioral1
Sample
2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe
Resource
win10v2004-20241007-en
General
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Target
2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe
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Size
46KB
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MD5
6f1e0c3994e7d22d3f8321758648eafb
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SHA1
a2ede46399990f057d98280b9a01aca0546b015d
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SHA256
9b7ef4ae63826909a6587cd2d152026a5e7c1ed0af7a61ff98ac11c1af099937
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SHA512
91b69af90753352be596bf683ad7bb971bb5f8b5e7804e0fa075f91f35ef82ea3e4a2aca4e77bcc7b6eb4d941119c740ca2cc771c440a9986326a79e774a4f71
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhu:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYO
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2192 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2192 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.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 2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2980 wrote to memory of 2192 2980 2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe 30 PID 2980 wrote to memory of 2192 2980 2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe 30 PID 2980 wrote to memory of 2192 2980 2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe 30 PID 2980 wrote to memory of 2192 2980 2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe"C:\Users\Admin\AppData\Local\Temp\2f3d95e0eaa6d813ec9a3694a16a8d5d6b12217c42393289002558734a2995c7N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:2192
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD554db70ea19d0383960c90ca83ed7880b
SHA1bd73289604e1e2cc7e4b7858f21c0af394dd4061
SHA256cfde1f58e9655b0bed4832993319f06e80d3a29df68b1960f9654d6c2ad36459
SHA512421f5fa1f360f09027801831aa27ed09588dfb89d69909c29d8e612d97d10d1e015fb88c6d7f652d5a657295e8090b24f2ae7045f116aecdf7af5f1856899be2