Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 00:21
Behavioral task
behavioral1
Sample
af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe
Resource
win10v2004-20241007-en
General
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Target
af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe
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Size
29KB
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MD5
4f53ca4b7ce024b9a286230a4119139d
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SHA1
4211bad99ff48290f90658f2d35c38a352fc1549
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SHA256
af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad
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SHA512
bdc61f2edff13d47e238c93c3633f413c86335b9b74ba8ba774728eb34a554e6fbc6013877b208635a90d4a48b03c133b411207b283ada517ef93e4ff8ef2813
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6t:AEwVs+0jNDY1qi/q+
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4024-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4024-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4024-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4024-132-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4024-146-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 5100 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" af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4024-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000c000000023b60-4.dat upx behavioral2/memory/5100-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4024-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5100-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4024-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5100-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-65.dat upx behavioral2/memory/4024-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5100-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4024-132-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5100-136-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4024-146-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5100-147-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5100-151-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe File opened for modification C:\Windows\java.exe af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe File created C:\Windows\java.exe af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.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 af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4024 wrote to memory of 5100 4024 af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe 83 PID 4024 wrote to memory of 5100 4024 af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe 83 PID 4024 wrote to memory of 5100 4024 af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe"C:\Users\Admin\AppData\Local\Temp\af272ac5d240e882281bf48382de90bc42e9e0a39372a62ae11401e45f593bad.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4024 -
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:5100
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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
MD56cac57769507bfddbb59abcb8add9103
SHA13ad0d8844cc7237065b45945f93da77537462443
SHA25686b77676e697c91e31a0cd72b3db81a7f02c42937698260fa6e47bcff084b175
SHA5120bf50af7251d178501585725dedca0a76d18ef6cc2d801d2a23f6d2048538b91e6cacd979c6cadeba820db51e076ca9ce0e88f98b38a914e153ec5a82a07ed7d
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Filesize
320B
MD577f3027676f541b7c9553490604111b3
SHA1b3ad5703ce083775d42874ad980846ea373fb7f3
SHA256e380e8a22b2862c81986df0fe80c256ad6879ff808f70184ffc1b8046ebf4100
SHA512ab9829c74e162522c97ebd491c15e237e5bd3c9b10b8c2b78978eccdff20b5e82838b5c4720f20e246ae07670bcce714b0fde98f79694ea401c0c5d58f76e04f
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Filesize
320B
MD50f0fe08f1384a5e71dc0ff2957b07d3f
SHA17c6a7c4acdd17546a1e160d9c2c6cc13e90309ad
SHA2561805366bd9290a200a52b4a284f24e9c3b60d72653d8da14b7214c883c64409d
SHA51237732f49c5db380d1ec6e94e1a4801b267e612b2bd0e2b8ae899e351ecb4cf57166d137b97477935938a0b2a32b3713785638686862eb6cd2ad0385ac1743bc5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2