Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 10:37
Behavioral task
behavioral1
Sample
23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe
Resource
win10v2004-20241007-en
General
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Target
23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe
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Size
29KB
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MD5
f95543e2247a610bd8038ef09e3b11d7
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SHA1
a7f8102ddb9d869e3c8a722f6db237e6c28f9f6c
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SHA256
23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38
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SHA512
aab557fc23dececc2a825859584d8b7abceec791b44376ee0cd063a79f53666be24a4a4ceac54c47d774e9648b27c80e16008689bca9c6d768003048a490949d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Thg:AEwVs+0jNDY1qi/q7C
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/1752-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1752-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1752-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1752-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1752-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2112 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" 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1752-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1752-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000700000001867d-7.dat upx behavioral1/memory/2112-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2112-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2112-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2112-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1752-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2112-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00070000000190c6-61.dat upx behavioral1/memory/1752-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2112-77-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe File opened for modification C:\Windows\java.exe 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe File created C:\Windows\java.exe 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.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 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1752 wrote to memory of 2112 1752 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe 30 PID 1752 wrote to memory of 2112 1752 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe 30 PID 1752 wrote to memory of 2112 1752 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe 30 PID 1752 wrote to memory of 2112 1752 23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.exe"C:\Users\Admin\AppData\Local\Temp\23acaf5c369716f52bae4f009ceef980ac9d6bfd45bfd1ed5ca502dec0c5fb38.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:2112
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD51616f90390826eb9a4ebfe228adaac83
SHA1d0cb4a79ebbb961d73a4ccbaa0739851f362a4a3
SHA25635281500b02642f4945ce0c48e846ec17d6db55492ab88a00b8a6abdc4a9ce42
SHA5122b6880d4d090e16b20b628b6f8c9b012a94bff9b778a9638e66ed8623df1317066e1761fab4679fb9776d6154b5a1acade6a12c1afb3c6e06e5fab265b618c4a
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Filesize
320B
MD5a1ef06d2447eae25a39be458d44e29f6
SHA100ad1e9b54af2ae253622cd297045696af569277
SHA256bc5236819e7e5f675f0bf0d27a66ab8e598c36ed6ab46f84710a05db3d97f728
SHA5126940438cb79d4dc23d6cbbdc9a652ca96cd7b654c4bb989e47fdd1b60eae56b3d37eb88471c45d9232fca68cad60a18defe841ef62a8344eae82315367f21055
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2