Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 18:11
Behavioral task
behavioral1
Sample
40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe
Resource
win10v2004-20241007-en
General
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Target
40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe
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Size
29KB
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MD5
45d57660c0eac06ee2ef71d4fe944990
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SHA1
cfd87df02de4b8048693f5830766abeb3398cbea
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SHA256
40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0
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SHA512
1890e257abebe3c7bbe93780a93628128e7f3772f71304ae6e4224c14008179d5443c47502515fae500e40f8eb92d04faea997e51b33984584c300000beced87
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/s:AEwVs+0jNDY1qi/qU
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/3928-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3928-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3928-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3928-125-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3928-129-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3928-136-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2252 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" 40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3928-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cd1-4.dat upx behavioral2/memory/2252-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3928-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2252-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2252-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2252-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2252-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2252-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2252-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3928-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2252-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3928-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2252-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d0000000219e5-50.dat upx behavioral2/memory/3928-125-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2252-126-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3928-129-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2252-130-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2252-132-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3928-136-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2252-137-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe File created C:\Windows\java.exe 40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe File created C:\Windows\services.exe 40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.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 40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3928 wrote to memory of 2252 3928 40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe 83 PID 3928 wrote to memory of 2252 3928 40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe 83 PID 3928 wrote to memory of 2252 3928 40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe"C:\Users\Admin\AppData\Local\Temp\40fd5826602cd3d59b735243738873d374dae07c56386665da7c8d455cbd55e0N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3928 -
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:2252
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5e118f28c8b0b498eb200fbe2ab52ec5d
SHA14f4d106618443b0a88b9b8f6f0c6aa902d8501cd
SHA25608509979d351830d005ace67bbaf7eece8c292a5e6a667a91446f52102866452
SHA5123d9b0ecbfee65bec869c430079e824a52d261cd26c6409c5c25548fd9952e735520ef59bb1f82d3ad4cd6ded104c6b6f61c3a9afc1b3e633157dc5717b957136
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Filesize
320B
MD55a1f0ed79af3ffb09c22daae8c9f9476
SHA103a809813e468973519927d2225c79a4e08127e9
SHA2563036e46f8540d7d3b25cbd019dd958e8a06811ac6e8c7790cb398cc26effaaec
SHA512f087ade87cf78b99bfd56a3861681a200a3d2296ca6149ee2220d8b157bc0a478373a6ccce2232f254c9781a29ad6ee8e1210a1429b006799839930208cf4f07
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Filesize
320B
MD526cc207a112891bfa4acdeb1f1d50a60
SHA102482cde5b2dcd77086d7d861f171be477b4a425
SHA25675232200abcbe58f6497cb4391d6aa22fafffae25c204a9693d776394e1ad124
SHA5124538e2afe1b440b3279f96ca1de2b20481717876e291b6ab8091676a4a266d9d234e62fe0b14e37100919adb7b06297e84bb8f449417270ebb7c4130f3dce702
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Filesize
320B
MD59c29e5ca532bd0609484f3e0c43aceb0
SHA18d3198286f9224cf2ccbd5944de1cb3da2677fd3
SHA256e44456ebb58864aa72aef888c929afd0f20c2582822d1be4ad77130bdb02c538
SHA512cf27680dabc6258fe641a6586a3c44f1470a6e2bfe9949d0ce554eb6c38b57f2707727492fc73c1eb181a676cc213ba94564ce533dd648fcc945cc9040dfaf50
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2