Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 05:32
Behavioral task
behavioral1
Sample
a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe
Resource
win10v2004-20241007-en
General
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Target
a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe
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Size
29KB
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MD5
269fada37c1c614f270e1c2090502930
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SHA1
13a480725fe14e8603467e17c38b8d546a230101
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SHA256
a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbb
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SHA512
d5bd743d182ca43b57512b1461890db4a065c7d260e0137e3495406aa75f99bd6fe2acb9696a82d59ce1f158863c3cabaf24f0276a6c67ae93e4c780e417cfac
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ghp:AEwVs+0jNDY1qi/q+T
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral2/memory/384-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/384-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/384-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/384-147-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4832 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" a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/384-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4832-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000a000000023b78-4.dat upx behavioral2/memory/384-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4832-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/384-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4832-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/384-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4832-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0006000000000034-62.dat upx behavioral2/memory/384-147-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4832-152-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe File opened for modification C:\Windows\java.exe a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe File created C:\Windows\java.exe a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.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 a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 384 wrote to memory of 4832 384 a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe 82 PID 384 wrote to memory of 4832 384 a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe 82 PID 384 wrote to memory of 4832 384 a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe"C:\Users\Admin\AppData\Local\Temp\a88dc9c9e3c8e5cf4d1e4483ea3656b7d35cf7cff9eba85bb56431bac465cbbbN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:384 -
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:4832
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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
MD5d5efc166f026a26d65bd3688f4bf3840
SHA1ca44e83e7519957fff9de084bf2a1d45843f3726
SHA25638b88ff9c4fba44a7feaac318a3012dbd5183767b24825abae624ab93de65290
SHA512dfeb5335afbee1a07f7a91e93b8c0e97d680d4ad5e47c417c340a1527aa82178940b9069b5a9571be6f459057cc6d7c4a2d1e351b80b3acc916045940d2cc05d
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Filesize
320B
MD5855a26e54b9e793561230371b9befb2b
SHA12c5f68c5bda8f68d5007e0620723a863e5aedc48
SHA2569b43ceefffbe2cea34575b674bdfe5ef329221d62827b7027cf4592f574019aa
SHA51220dbf2279d6c1141e8f6a9443de3954f01e01d7d457ae734681dcb920872d3f67dc943683fb5fb970b844307662a3faa9267d7727d817c082925169ec6dbe4a7
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Filesize
320B
MD527ad076ae749fe4fc9795fe537fd8793
SHA1ecbca8ce4df6b2bfc298cc6530c63ce1aa4eda97
SHA25603eb84f1650bf3073f1052b662ebbba6bf8457dc163ed6d455beb38018bba27d
SHA512c8713dc3a79a6f7822fc66da8987f520e0db59c46e37ecf133afff69639db53598b82aa6ef1e3a6f9ff823d24d70ed13851b8c5d25faf2ac1e5cd356184c996e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2