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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
03/01/2025, 13:52
Behavioral task
behavioral1
Sample
1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe
Resource
win10v2004-20241007-en
General
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Target
1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe
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Size
29KB
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MD5
a606a6c80e3cd5bb51afe39f417939f0
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SHA1
28901b11e8e2e8dd8a31c6e6e7be72d204dcc248
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SHA256
1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801
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SHA512
fe6c060705afaaaa4136e75be3d9966aaa179463681f85271a948abe21e1e1443b752a377e41b9a9d47df59b1884269427c1463af9e61c7f720fa7938e9493be
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Lh3:AEwVs+0jNDY1qi/qjV
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral2/memory/2764-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2764-27-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2764-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2764-113-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2764-115-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2764-125-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2764-141-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2764-145-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3620 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" 1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2764-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0009000000023c95-4.dat upx behavioral2/memory/3620-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2764-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2764-27-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2764-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0008000000023cb8-38.dat upx behavioral2/memory/2764-113-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-114-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2764-115-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-116-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3620-121-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2764-125-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-126-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2764-141-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-142-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2764-145-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3620-146-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe File opened for modification C:\Windows\java.exe 1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe File created C:\Windows\java.exe 1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.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 1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2764 wrote to memory of 3620 2764 1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe 83 PID 2764 wrote to memory of 3620 2764 1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe 83 PID 2764 wrote to memory of 3620 2764 1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe"C:\Users\Admin\AppData\Local\Temp\1b731084bf152d6dd7d75bb69ce5c9ac8837f77a922557fdc21460d87eb06801N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764 -
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:3620
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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
MD5870cac0863f665ed7e8479ff680c68f0
SHA1a64567be3534da20ca5f5788a00b85bd58254690
SHA2567057f281a4d4e72151c63656854880a5f967f8fa853e95de749ee5c03d07a82c
SHA5121d6edaa76d8e49042a872fedcf264c9c832725044bb6bfb6957ea8a50ed2e82777b873bb6839944393408099852876818f0ae56a7039e1bf54cc40d265b3bdd2
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Filesize
320B
MD56affba9f10e4121a92c6a4be4dfeaab4
SHA1d2e3d0c71935bca5fc1b12371b7f9e3ca813799d
SHA256a919a5a6b6c206e4b4387b1eec77cf65c8ee156743350265128248e1be1f55ac
SHA512d270f4e320fd8aad785d9fe7d0ca6f7f66ee716c53d77c9a3c7651da8fbbe5b18cc7912c4c0f2e819718be20110dadd3dfb72732e9b973bd1bfe1ddf9c9f719c
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Filesize
320B
MD514bd7755f91c437ed0c9de5f6d9e42d6
SHA12e2f561bd95a810bd4b034ecb874f32c29ab816e
SHA256f660f0a1b590fb8b3dda4702bda66d3a6de461385dcb4bf280fc13f2a84dc61e
SHA512cb7a52f7a503ef64d75ba63200ea5601e9be71c2c7794c945502efbd31a2d38ea4cf8467f9a09086beb534fecf53a25f73526379373b0cef1cf2c23b436c8494
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Filesize
320B
MD59f83c283ca7780cb02a09cf2ab2ff8dc
SHA11e2c5590318a0906f733cb13a57bd9662c9e57c9
SHA256a5f1f2d31815d52ffb66a323e105d035ec871ae33b5f3460c0df5f63505a04d0
SHA512f598f18607e2aab248efa13f14c6c6591b4c7714f849ec966c55e8439f328362dbc15010966842bad844e2f827b4eeb94e91bf2b5ed9ba95f0d0ebbfb22cec83
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2