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Analysis
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max time kernel
120s -
max time network
119s -
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, 05:03
Behavioral task
behavioral1
Sample
a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe
Resource
win10v2004-20241007-en
General
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Target
a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe
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Size
29KB
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MD5
09e7bcc845063211f94680e32c789e20
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SHA1
c10ee6e43d19079d2eaaa6dcf353982046da243e
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SHA256
a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88d
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SHA512
b9c96da35e9575b22fcaf3ca13a2fd16fb6504a328e3583bf64d4d80302e42c156ea4ca167d9090fbb87461e4e1749e1fc7c2fbadc8e3a80f80f3f1ccc08d5c0
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/4hQ:AEwVs+0jNDY1qi/qAm
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4896-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4896-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4896-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4896-135-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4896-152-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4880 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" a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4896-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cb1-4.dat upx behavioral2/memory/4880-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4896-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4880-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4880-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4880-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4880-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4880-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4880-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4880-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4896-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4880-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4896-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4880-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0002000000021f4b-50.dat upx behavioral2/memory/4896-135-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4880-136-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4896-152-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4880-153-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4880-157-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe File opened for modification C:\Windows\java.exe a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe File created C:\Windows\java.exe a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.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 a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4896 wrote to memory of 4880 4896 a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe 83 PID 4896 wrote to memory of 4880 4896 a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe 83 PID 4896 wrote to memory of 4880 4896 a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe"C:\Users\Admin\AppData\Local\Temp\a765e5c80dce7b7fd6eea1aaaf8a21e73e951caf62f85c3107c2450c87efc88dN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896 -
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:4880
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5d6313e3e668abec5e363649988d281d5
SHA1697f59915de11ed4b0bbe9906f7a7f76be2ba90a
SHA256279645ab117f2b7dd33a3d949c9c284feaed02a391f8966a570c23fb88b767c0
SHA512357539d29897728b9dcbe5e11a7abd6009e012fa6ed43bd6092de1db2015b15877db8f8314702f143545100bb03b1879f87be022a7f60d0182dc14b4e9aa2f10
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Filesize
320B
MD5b53fbda9dd45ae8ba0051527fd8685c3
SHA16eb863787d3ce8d3150a44a524c4c2dba6ea570b
SHA256efd45efaf0fdc820396ef58ed2a89c054603a1a4c84d7d042c7c09217662d2cc
SHA512231915f8d692f2788e5f62cafbe0ce4adc2b0a8bf24309a33b8078310b3e1b2a43c3e233266b3705da7c0d68afa10a7053f3361ae5c02cf4528a80b378cbd400
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Filesize
320B
MD58d14cc23a0b93aba928e45fe7b52caab
SHA14be9874374b0d03b4a9757695e915d45c783c61e
SHA25614b68abf2cf85ee6502066b2c0abc0008a611c65bde83ae9a27f32940829a412
SHA512be9acb6ea359c1624b6cbc4bf2eaff58e82294494e36d8da8f7fee96286d2272ae19ed630d0064064f90ee1c555b7d73e6a4bc9531f0899bd37b4e74a240b0d6
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2