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
01-01-2025 14:57
Behavioral task
behavioral1
Sample
2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe
Resource
win10v2004-20241007-en
General
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Target
2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe
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Size
29KB
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MD5
fd1551b9b2e5efac053b6d0bc941735d
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SHA1
e188abcff2e81067ce36fe1f0791775f3bd7a736
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SHA256
2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391
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SHA512
653efeb013d4a2a6a69a7e8f9a773e1ee68b4852b13bdc6928dd7836c785c0bcd2db4d80597a9d751ec891a348aa4639dae1cc327edf779a57da6afd2514c6cb
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/RhQ:AEwVs+0jNDY1qi/qZm
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2176-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-139-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-175-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-182-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4768 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" 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2176-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c84-4.dat upx behavioral2/memory/4768-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4768-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4768-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-68.dat upx behavioral2/memory/2176-139-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4768-143-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-175-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4768-176-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-178-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-182-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4768-183-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe File opened for modification C:\Windows\java.exe 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe File created C:\Windows\java.exe 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.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 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2176 wrote to memory of 4768 2176 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe 85 PID 2176 wrote to memory of 4768 2176 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe 85 PID 2176 wrote to memory of 4768 2176 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe"C:\Users\Admin\AppData\Local\Temp\2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176 -
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:4768
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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
MD5cc73dc7f7cd534865366cb0246226603
SHA1bcc2fe951e29eb609479bb3f202ac6936a6f58ad
SHA256a000fc43ff7e28735e611f6eade84b291766014e668c021bb1c7afbe494f9935
SHA5120843e215bbed6d6fa6f09a65110fdd44906f0f1cb8c7813a4fa5c2a33590dc9fea0f80926b18b56c0eddeb50a62d22e57cf0bd88de5edcbd2aed8d5d47adebee
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Filesize
320B
MD59fd883f7f3db9dc96ec38b878955e7ad
SHA13c400b9121f18edaff68786c3d9a40006fea389d
SHA256aac202d80f55d81d6de27a21583b32b404e5652c1fe6c1fae5897e6a72aeb8ff
SHA512baac1606ffc5767064ddbd2220454c05d7bfdfc3f476882224990007e02a480d3b7603bd05f36825fdbe9fc9d76969f0ea3c089cd53eb1fd906335fe5511c0c9
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Filesize
320B
MD5adda4f4dc20c73bdc593c73ccfdf90d8
SHA110594af35b0cabfaa3bf6bd2dc72e6e071065de7
SHA256decfbf1f2e95df0146464ceddec81ea907a9f35184e5db4ba95dfa23e08c5627
SHA5120a9b61ff993bbea6d7992c4ec4567de989b7a67065367500af6da06174f7c13f087ae2c98b95793545999129cfec3241c87d4e04d4f6f715ee8b8d717abffc77
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2