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Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 behavioral2/memory/4848-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4848-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4848-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4848-143-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4848-161-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4848-168-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4848-201-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 1996 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 behavioral2/memory/4848-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x00070000000233e1-4.dat upx behavioral2/memory/1996-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4848-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1996-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1996-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1996-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1996-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1996-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4848-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1996-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4848-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1996-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000c000000021863-48.dat upx behavioral2/memory/4848-143-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1996-144-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4848-161-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1996-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1996-167-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4848-168-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1996-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4848-201-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1996-203-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe File created C:\Windows\java.exe 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe File created C:\Windows\services.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 3 IoCs
description pid Process procid_target PID 4848 wrote to memory of 1996 4848 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe 82 PID 4848 wrote to memory of 1996 4848 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe 82 PID 4848 wrote to memory of 1996 4848 5d7f7356aa148244c97739fe544d5ad070fab283e2185a0d7212d7be3c3c7d1cN.exe 82
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:4848 -
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:1996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD54b9d9be87952d92f14c9562a295710cd
SHA182a7a2c6cf7148157b053859915c176edcf59a15
SHA256f72fbbe64ab60c488fb6482f6e12489306ec7ccbc0bacd1e741ac871461fb3ba
SHA5123082769bc286b825d7f03546d4713fbb36ad2a51783b48173e344ff9e1fec03f150a4b7c46dfbd7643b4f4a3b0499c557001cc0897738ae6f49ec2511af94070
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Filesize
320B
MD557adb29f58d8fa1304977573beae83a2
SHA1b10ccfdd9c7f4788458a5b09f360008eac89c824
SHA2566bf89ab49156605b6f9c2b179df4078b0310282e2b7a897a61b7cab0d000eaa8
SHA5127e4572df07fdf706ba458b8f1d0d467bcc610513e21127dfe92151071332b9f17c8050e8ade760b47a106fb92a7c5c75c6c7816f4e816e5c3bf79c9cb81a7170
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Filesize
320B
MD52050c1c832709b5deaff397ec64072c2
SHA17d611ab0207e39891246eff31c9ffcb08978fc6c
SHA256f0d5cd75809f5adecb0f3e56d565b4f45757469587f5f4af0db2731b923bb99e
SHA512892d8317861e9c698cafcd562d5a62b235725f2252860f8a01f3f290313615fabab4886e1c3ac8da5e46c7d49ce4b361ef71b84b6a1d34301720f89a055eb3e7
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2