Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-12-2024 08:14
Behavioral task
behavioral1
Sample
d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe
Resource
win10v2004-20241007-en
General
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Target
d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe
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Size
29KB
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MD5
686236a7b27d23a7ecb063137ed5b330
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SHA1
16bb2c9c6c21255c719f47d9251f24c9e99dc780
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SHA256
d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69
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SHA512
99486c467211a32d5f2870b2514d522346bb636a831b40fa99ea9bdf5ef687f7b2bba595542bc57c1bf68743fc743425c5ab9755a8d8ab5b5671d0238c563373
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/U:AEwVs+0jNDY1qi/qc
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2680-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2680-40-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2680-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2680-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2680-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2784 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" d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2680-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2680-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000700000001939f-7.dat upx behavioral1/memory/2784-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2680-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2784-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2784-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2784-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2784-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2784-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2784-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2680-40-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2784-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2784-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-56.dat upx behavioral1/memory/2680-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2784-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2680-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2784-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2680-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2784-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2784-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe File created C:\Windows\services.exe d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe File opened for modification C:\Windows\java.exe d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.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 d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2680 wrote to memory of 2784 2680 d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe 30 PID 2680 wrote to memory of 2784 2680 d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe 30 PID 2680 wrote to memory of 2784 2680 d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe 30 PID 2680 wrote to memory of 2784 2680 d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe"C:\Users\Admin\AppData\Local\Temp\d764477f72e4509cc3febc2d71c5474ebd049f9aadb357332bbb366c70427d69N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680 -
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:2784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD57d81f72b86f32bf2829ffe2f86c7ff82
SHA17c85248e91d5d11d46cdf10e4d59c769ca2c0576
SHA25626a1cb8e678c91a63de1a2b63e5ef494acfb3ccd29e564dc7587d87def738d28
SHA512da52072b1045f133313d5c6abdc9b82f2d87763818c0208e970fb54474c0c6d9640765c529fdf3dc999e9ceb6cd40374a5d0aae5a424379619faa64b04f4fc50
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Filesize
352B
MD5bfe1ad93bc543e9ed2c9593a22f74bfb
SHA187011ffb1020fad25c077347aa59b7a5464951c3
SHA25660c3990b97f377b11c0c55062b342b52778b1be2f7435ebb8f937ae156d27c94
SHA512e8381cf6171f0406448e457dd1f4d9ec6a5cfa93fa8f95e7092193fb471a37f1025649d48cf3d67eb827d7d586be130cf177481e2fdd8357a159a414c32a1046
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2