Analysis
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max time kernel
120s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 13:30
Behavioral task
behavioral1
Sample
f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe
Resource
win10v2004-20241007-en
General
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Target
f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe
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Size
29KB
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MD5
e4035da1f21dacb3b8e2467809d3b3e3
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SHA1
c73ffe42b84b9a8613694a2c4af70952b0dd02bd
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SHA256
f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c
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SHA512
6477203fb06430505fca61937907d66028fecf51684c6ea287f591096725491dfd76e89b8a4ad7363f4eec72a50bd86bbed19c3c0c30ee07794d4aabc2def971
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/c:AEwVs+0jNDY1qi/qE
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/1752-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1752-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 5024 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" f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1752-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0009000000023c8f-4.dat upx behavioral2/memory/5024-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1752-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1752-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-57-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe File opened for modification C:\Windows\java.exe f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe File created C:\Windows\java.exe f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.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 f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1752 wrote to memory of 5024 1752 f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe 82 PID 1752 wrote to memory of 5024 1752 f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe 82 PID 1752 wrote to memory of 5024 1752 f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe"C:\Users\Admin\AppData\Local\Temp\f4944126a2092e26c0493c5006505d68d635f42f1104bd44551b09de4a6b340c.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752 -
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:5024
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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