Analysis
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max time kernel
120s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 03:12
Behavioral task
behavioral1
Sample
d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe
Resource
win10v2004-20241007-en
General
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Target
d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe
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Size
29KB
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MD5
10999e1d62af7b5fc04b5cc827fdce60
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SHA1
12c31ae54947a1e99f1896edc0b84865e6417fe8
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SHA256
d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13
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SHA512
1cf41e570adc5c4033b91cef19fc4efd6fd2931e9ff15a4a7e09e23b7fc3a586c00e06ca2a083364474fa356599e0dfeb683987f49d2181d3d6894d80c4b71cf
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/5:AEwVs+0jNDY1qi/qx
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2404-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2404-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2404-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2592 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" d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2404-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2404-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016d15-7.dat upx behavioral1/memory/2404-9-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2404-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2592-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2404-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2592-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2404-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2592-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000016d30-66.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe File created C:\Windows\java.exe d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe File created C:\Windows\services.exe d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.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 d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2404 wrote to memory of 2592 2404 d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe 30 PID 2404 wrote to memory of 2592 2404 d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe 30 PID 2404 wrote to memory of 2592 2404 d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe 30 PID 2404 wrote to memory of 2592 2404 d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe"C:\Users\Admin\AppData\Local\Temp\d1b11981748ca7c7ff1c37e118996f46c70815ab6357d17115b671e87fe96b13N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404 -
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:2592
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD584e8584a6d2effe795f453f7c81bab30
SHA17f3057c16733abe93d649ce5936908aa2edc9789
SHA2560136dfeba0d33942365d124ad722746a5ebfefe0d03b3a79cc1d9c3c63af63c0
SHA512a3ae7922f5d953810c8e497c988ff67e13906b56f4ba1ba6a09896120885f20dc3d1451d7989a9963ffb85d50601db020bf8645ac8488b3d176952c55c701afb
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Filesize
352B
MD5635e3c2fd9eb899a088c48d64d452861
SHA1b940b27b4b3a9da1c9b22775ec4ad3730da4747e
SHA2568e635c4a2da16cf6c52d4947f0feeda141cee3d78b0c55496276a1d7ad2dff54
SHA512a5fc6284cc07a83e893c4504e24212ebb666106c1b8ec6d54ad362863950cf11b76ca7eb2f30c694f3a6a86b4e2f2bea14f455c82fdfd960deb01d9c6a0edec1
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2