Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 22:56
Behavioral task
behavioral1
Sample
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
Resource
win10v2004-20241007-en
General
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Target
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
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Size
29KB
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MD5
98ee09ed253193dfd7820aac0bfb4dca
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SHA1
3b479fe57b4cd1985c6fe241273d216bfc68d772
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SHA256
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13
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SHA512
53aee154193afb387c4a6d66f10396a1056b8b5749e0a527586207dd3eb7a36c0c9ed6713a6a86988e2e626aa05b0480208fe29dc50dac2bcf0f52c8dd3fd38b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/hh1:AEwVs+0jNDY1qi/q5P
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2844-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2844-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2844-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2844-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2844-171-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1424 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" 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2844-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023b96-4.dat upx behavioral2/memory/1424-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2844-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1424-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2844-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1424-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000000705-60.dat upx behavioral2/memory/2844-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1424-115-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2844-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1424-156-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2844-171-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1424-172-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1424-176-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe File created C:\Windows\services.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe File opened for modification C:\Windows\java.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.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 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2844 wrote to memory of 1424 2844 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 84 PID 2844 wrote to memory of 1424 2844 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 84 PID 2844 wrote to memory of 1424 2844 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe"C:\Users\Admin\AppData\Local\Temp\5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844 -
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:1424
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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
MD5204decf8fba4e9ed142cdf7aaf3909d3
SHA1bb16a01d7be72f4dae55ed97576b51a6cc2fd43e
SHA2564f8c501835f668cb4570fb70b89378b564293923a2e7c4d99b2b657c52f4c467
SHA512e4fe39477a61773bb9b1f463532b52e1abf4381006ffb6b94fd51f582a20ad62d839dddc4c984d161e085b84f8c5800c2e9fd58f069ff4da6a9fe64ad99f7858
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Filesize
29KB
MD5ecb9fbdd20100bae9d569fbc06a52f9e
SHA1f1ae7023f24d103b6699fdb820b71eaf3f912586
SHA256a291b00265a2120d5962e1d502c93aa76e23f5d19514775e6160679cc14875b1
SHA5125136e21419fe875bedb70059909c79ffd1b77529254a703dec8406393a4ef3a2a93c6d7f24d9417ae8637695aa81ac8cfd8acfd064c45f7f0ca29dc3a29bbd97
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Filesize
320B
MD5e73ce50ee23cee04d6c286c00d4db391
SHA19ce758ec2b027d34aefa272339b88ecc3870b619
SHA2565cec736b285e9698a7d93c6d1f81a6477f0d4f26b23f2b8954e31fc864d25a27
SHA5129829ae1f2bac858d9c2e83ee0d441779a7d06120da0ddb30d169c871ad930398cb5b3aaba178127b9438daea8b2ce620fe7f4b340903c128eb9d8eb2910bebac
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Filesize
320B
MD5cac9d7cac2da8bdd0eebe7c20e7267c1
SHA110e9455fec1345aa560366dac7f8d4ec7ecebf36
SHA256ae96fd44038eb121636e1dbd0a8fab41f1de8f7b6902c79da5b7360916310756
SHA5122586f848931b232959e48eefb3713c70ad5a93e231e64a307602e3e49162819cf676aea2057358dae4cb03d2ce65fdfe14cc128acbb6657a64dfba132747f833
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2