Analysis
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max time kernel
120s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 13:04
Behavioral task
behavioral1
Sample
9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe
Resource
win10v2004-20241007-en
General
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Target
9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe
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Size
29KB
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MD5
7a0660352147945bee6bf2260a17d940
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SHA1
213a4cbd7e976d0426fb55097c6fcd26ef23077f
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SHA256
9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901
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SHA512
7433030f89b6c2581fa093343c1c8a5678fb2e3484b7027073fd38bb0794595b5f1e3e11f468f4e8d6104afaf04ee55eac6e55029cbe0377de40e864182536af
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/yhp:AEwVs+0jNDY1qi/qKT
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/536-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/536-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 116 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/536-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/116-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0008000000023caa-4.dat upx behavioral2/memory/536-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/116-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/116-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/536-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/116-57-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe File opened for modification C:\Windows\java.exe 9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe File created C:\Windows\java.exe 9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 536 wrote to memory of 116 536 9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe 83 PID 536 wrote to memory of 116 536 9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe 83 PID 536 wrote to memory of 116 536 9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe"C:\Users\Admin\AppData\Local\Temp\9cd687fef70bb630db42feaab4454e7c743779df63339c50c3e71e6099754901N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:116
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2