Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-01-2025 06:40
Behavioral task
behavioral1
Sample
b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe
Resource
win10v2004-20241007-en
General
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Target
b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe
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Size
29KB
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MD5
3a423cb26b600506d105c575162788dd
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SHA1
81196b6f44abeb03602f7b5f1a0722e7786d6168
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SHA256
b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921
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SHA512
799ff11010e090bd0c3a69fa3d46effbc7addbdde02f1cc32e162e59a9954f3c4588438927877b9513147a2c5524b28e00ec4e97f4780561dbcbcb2b1ce558ca
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Phu:AEwVs+0jNDY1qi/q38
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/1952-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1952-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1952-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1952-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1952-85-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1952-87-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2512 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" b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1952-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1952-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016593-7.dat upx behavioral1/memory/2512-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1952-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2512-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1952-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2512-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016ca2-70.dat upx behavioral1/memory/1952-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2512-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1952-85-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2512-86-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1952-87-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2512-88-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2512-93-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe File opened for modification C:\Windows\java.exe b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe File created C:\Windows\java.exe b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.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 b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1952 wrote to memory of 2512 1952 b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe 30 PID 1952 wrote to memory of 2512 1952 b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe 30 PID 1952 wrote to memory of 2512 1952 b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe 30 PID 1952 wrote to memory of 2512 1952 b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe"C:\Users\Admin\AppData\Local\Temp\b554b79983eeac5ae6e4da0c60db9df1a35df05f6eaae4459d55c3945b35f921.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1952 -
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:2512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD552ff603564a83c7b6ff5fc5c26edfffd
SHA1d06e46c62153a8a027c4172c96b6ef64bff33e56
SHA256d878151ed26bf3d43555bdccacf8f7079b600ef64095804d5f9c6bcb4ebb9ac9
SHA512087374f039cc3122ba1a5d72673db0568b995e04fbe6f52ca19b8bcaf91bbaa807cb560104c9093954f75d6d5271f2fdfc9a93d06887cbf4d2f47c1222e10645
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Filesize
320B
MD589920eab458a0888b8453398da5b7b89
SHA12ab4c3bc16242f3a6a40d6dbb8a43303e9530af9
SHA256b0ce3b2063b938877582468185ecbf6875e40ac3961531df02b205d6c2fdc92e
SHA512ae9bafc2a3da082be19bec47e61545f63a780e8c8893bdc4aa3650edd2fe0060626cb52ca705c11e00ba90994d4d8374bd643178540d16f72b07c9a5137f6a32
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2