Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 03:13
Behavioral task
behavioral1
Sample
b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe
Resource
win10v2004-20241007-en
General
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Target
b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe
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Size
29KB
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MD5
f576b59743d8fee77f28bda13f35a950
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SHA1
1da90fb2365086dcf02274b76c3400d69baf9b26
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SHA256
b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7
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SHA512
e5e6c5cc42f2d33304c59a1801e86c9f5bfca8c3b2c70e4ae0b20308c0350c035fc2bec49d68562bff350dea2759dc7e61e8f2ce32a0ac0d040919ab918f1324
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/LK:AEwVs+0jNDY1qi/q2
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/1792-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1792-58-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2656 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" b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1792-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1792-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000018780-7.dat upx behavioral1/memory/1792-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2656-17-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-23-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-35-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-47-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2656-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1792-58-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2656-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00360000000186dd-69.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe File created C:\Windows\services.exe b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe File opened for modification C:\Windows\java.exe b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.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 b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1792 wrote to memory of 2656 1792 b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe 30 PID 1792 wrote to memory of 2656 1792 b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe 30 PID 1792 wrote to memory of 2656 1792 b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe 30 PID 1792 wrote to memory of 2656 1792 b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe"C:\Users\Admin\AppData\Local\Temp\b2cb974a06200f04c3bc37955e14b38a0a32fe5655ef3b7689e75bbd182a34c7N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792 -
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:2656
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD54cabe9462bd5e2b60c891cc9c88366fb
SHA18dbc1bfcd30335982de53a3e951fbddba1dc0590
SHA256d2e9623fc01171b260fe379956f1b1aa59e7ff6895cd3dd3f0285c1371ce2781
SHA512f47070d64fc7cddbd4e623f30397b50d8f04c49f294a43d19dc11ed5bf25d51e884f6d35e32dc253e582de17b3742606eff0734ed5a9493a9f0311b5794d329d
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Filesize
352B
MD5ea40ccd66df3de0da79ff0d1c5ae217d
SHA1dd3067132cf490a7a6a7fe4c7915792b76a2ea4b
SHA256062b1a465d7f7349dd3004287c5ffcd18a8f2e9b0aea14d8ca6384545f52ae3e
SHA5120624a9f22fcbf2c9f1be91424fec3c5f856e6d48381ca18fa537883f15149b9be4e854e8b768e3eae6d8e0d9f65d0e294fb1099e3642953e935df3ca3dc8fee9
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2