Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2024 07:20
Behavioral task
behavioral1
Sample
acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe
Resource
win10v2004-20241007-en
General
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Target
acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe
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Size
29KB
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MD5
8d02f518ff84e2a418a36f506b8d4b0c
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SHA1
2987e8127e734daef8d5d04b3c26ebc7874173cd
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SHA256
acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8
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SHA512
8e758a1c00549cbcebaaea52a47ea3875f97f38f6aa2ce3b5cbb66159e1bca0cc2076e3af4a0093b4c06618e586803af89b93e4b9ab19c69b9bc3cf0318f7c0b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/TlhQ:AEwVs+0jNDY1qi/qJm
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral2/memory/4744-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4744-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4744-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4744-136-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4744-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4744-160-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4744-180-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4744-205-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 552 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" acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4744-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000c000000023b9a-4.dat upx behavioral2/memory/552-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4744-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/552-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/552-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/552-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/552-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/552-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/552-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/552-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4744-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/552-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4744-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/552-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0002000000021f4b-50.dat upx behavioral2/memory/4744-136-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/552-137-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4744-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/552-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/552-159-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4744-160-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/552-164-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4744-180-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/552-181-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4744-205-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/552-206-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe File created C:\Windows\java.exe acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe File created C:\Windows\services.exe acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4744 wrote to memory of 552 4744 acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe 83 PID 4744 wrote to memory of 552 4744 acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe 83 PID 4744 wrote to memory of 552 4744 acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe"C:\Users\Admin\AppData\Local\Temp\acbac121140c551c7d45f24ea8331a3baa791d265ae894aa6b001f7fa7e0d0a8.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744 -
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:552
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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
MD5392bc5771676ea4dfbb29f73fc2c1056
SHA1ec992a0774d09b215cc5d19dc2ac66f059201e17
SHA2568dbf2e49ad702c95713764b19572058d0df2a0bfb3cd2be9386fafc1ec093fee
SHA5123ed29cea8cc110e2a7f520df3796b4207da632e08baab7b63bda51f21a143901c630a0ff101ab9248bc2e7273f549f0b6bbd99b8c61d61ebf83677c03e7ab2eb
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Filesize
320B
MD5208a8e6826a041485b77c38cb1d8105a
SHA17f6dc9b7bd782911084cc4a4a55300b24947ca02
SHA2568a1465d66cfab0318e59c04a0b0e7b17a32328d18594fc8829c01e5c9da97132
SHA51219a41bf9c64f4b0219f526f023f9d6ee0a6a1a5ca2cae04d2e872d20586e203cca9a3b949ff916163d6bfbc462b8eb581cb6c769fb22bb3d4715345a247f9837
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Filesize
320B
MD5abf923232122fe54e2ee3a3526065f4a
SHA1eb1760ba66a159472cfb43d0e1de068c1969578b
SHA256aeb7ccaaa21f2e941f52955da41d98c31d3e36f57f8f0131b8e7dab0312407cd
SHA5124bd0758aa56804e8c7d88f18f65b4872dbbf611bd307368f9ddd13b7deb6c8afabffd397dd1819b38f9a658300989bce10186d280f0a24891968ea343b187b11
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Filesize
320B
MD50b8af3dce35f57d052306b88e56de739
SHA1672f1d04503bbd1b5b5b6af3723051dc2fb983ad
SHA2563a4c080831a768c2a2a9e4b6d7890b472cea10419d1dd645212d33d649209127
SHA512d8c537e311989e0036d4d8a8da5f63fc610b2dd6d0be41ad529706d245441c6649bb0017a710eb8359e30d12100d7a4a24f8ff6613789f7d56870ef4fd3238d1
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2