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Analysis
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max time kernel
120s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10/10/2024, 04:00
Static task
static1
Behavioral task
behavioral1
Sample
153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe
Resource
win10v2004-20241007-en
General
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Target
153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe
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Size
79KB
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MD5
2231283ea06343b4bc0118bf75c4bd40
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SHA1
64eb6057dff5baf2bbf39e28e2925a07d694ce92
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SHA256
153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4d
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SHA512
c03961ad3740d356204a352b20ff032d777b030cbd1462fede0863af4010c89da9f6080d2561a72aa69998484fc1577b4e8e7e660d0688d4be3bf5255dfa3f46
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SSDEEP
1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTD:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAd
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2992 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2992 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe File created C:\Windows\HidePlugin.dll microsofthelp.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 153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1568 wrote to memory of 2992 1568 153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe 29 PID 1568 wrote to memory of 2992 1568 153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe 29 PID 1568 wrote to memory of 2992 1568 153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe 29 PID 1568 wrote to memory of 2992 1568 153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe"C:\Users\Admin\AppData\Local\Temp\153d2f441f1fe87b7d429b3634ce85610aca133fc13ec92a2fcc3153ea127e4dN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2992
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD5670d5834a819a8e891f348a5f9e2b6d4
SHA192a8e6c875803e865d7725b16361653023c643c4
SHA256de7d38fce9f9280d0607e4aecb82a136454300a33269e7a0e8d295f7219f47a4
SHA512d0a7a142f38becf76cd6c65a36daddee125210041db32395adf38e11363bc4aa0bc30329bd32795089b74ac8ed35a1706f50ff409459874969f1ceaab3b93f81