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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 14:16
Behavioral task
behavioral1
Sample
5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe
Resource
win10v2004-20240802-en
General
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Target
5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe
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Size
29KB
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MD5
f1f977a14aed36a8be22f5676b1d8350
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SHA1
a5080d0045a66bf7440f76a8c679868f620d6db3
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SHA256
5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1c
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SHA512
f120ed6b770f073c531b00910829760d42ac904dab400c1b48914bf6c370aebc5114326f075957fc49cdc28781c217aa3dff27ec2b3452009c8de4f1ad833f84
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/I:AEwVs+0jNDY1qi/qA
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2632-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2632-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2632-41-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2632-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2632-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2632-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2632-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2736 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" 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2632-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2632-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000015d6e-7.dat upx behavioral1/memory/2736-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2632-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2736-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2632-41-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2736-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000013d08-52.dat upx behavioral1/memory/2632-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2736-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2632-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2736-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2632-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2736-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2736-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2632-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2736-77-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe File created C:\Windows\services.exe 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe File opened for modification C:\Windows\java.exe 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.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 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2632 wrote to memory of 2736 2632 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe 30 PID 2632 wrote to memory of 2736 2632 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe 30 PID 2632 wrote to memory of 2736 2632 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe 30 PID 2632 wrote to memory of 2736 2632 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe"C:\Users\Admin\AppData\Local\Temp\5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632 -
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:2736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5a8c23168767002c4c358885fbc9ad3a8
SHA15b0c24372f75397fec1c0030e71739d7618e37ce
SHA2563bc9bb2ef6a9a5ce3afd987ea0066ab2054a5e6fe42d5fe8ea09a4cd4c2dc5fc
SHA5122084285bec7198dd569dc13fb88d8300b679fd7d2286b8d75a1ad96039107f62a1714d84918dd19976b6558c4c9b6444d83da9b9ee7feeea05179d4c15506724
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Filesize
320B
MD5d3ff3c3c2366c8b516db59d099bed3ed
SHA1b9ae439b02ea1f09e959c12abc802ea6afe2ef13
SHA2562e0a84d39808d2b3bd21acc93d85cb43e0acb0b211b10b2cf208bbea4881c6e2
SHA512b5cc34a462048c547194df2a46bee4ec847ada6fd2fe6a428a57024598c629a7f590c947849306dfe635ab6350d6d9017133db47618a75ecbacc6b3687f5f423
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2