Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 18:24
Behavioral task
behavioral1
Sample
cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe
Resource
win10v2004-20241007-en
General
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Target
cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe
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Size
29KB
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MD5
5c1abf159fe91755cedd428d389580c0
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SHA1
a8f57eb31adf813fa390a86ed12f1a41e521d644
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SHA256
cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066c
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SHA512
a9ef249c7e8ee59c90d8113ac12f8fb4a39eba81356f5a9d41255a1f0028694fec16db988ad48cea1b4d2ed5416ce30ef677fb99db8bdbcf4a3cadcdfbc05a5d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/l:AEwVs+0jNDY1qi/qd
Malware Config
Signatures
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Detects MyDoom family 9 IoCs
resource yara_rule behavioral2/memory/428-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/428-27-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/428-156-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/428-186-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/428-188-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/428-193-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/428-225-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/428-227-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/428-232-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 5024 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" cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/428-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cb0-4.dat upx behavioral2/memory/5024-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/428-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5024-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/428-27-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0009000000023cce-41.dat upx behavioral2/memory/428-156-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-157-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/428-186-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-187-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/428-188-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-189-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/428-193-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-194-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/428-225-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-226-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/428-227-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-228-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/428-232-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5024-233-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe File opened for modification C:\Windows\java.exe cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe File created C:\Windows\java.exe cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.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 cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 428 wrote to memory of 5024 428 cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe 83 PID 428 wrote to memory of 5024 428 cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe 83 PID 428 wrote to memory of 5024 428 cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe"C:\Users\Admin\AppData\Local\Temp\cf8ed3a33c205c15795a39d4f0a1fe11da8fbdfc47075fc833f509567b8c066cN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:428 -
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:5024
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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
153KB
MD55d50149bbdd060e5f63cd0091e50050f
SHA1c2eec7c1e749a6b09c52b5e3306bd8f520044280
SHA25678c998ea37d196f1a18597c17c43ab12f658df408c03b969154a9631cbdfd9b8
SHA512450b3845b66a70081fb09ead95ba0d1fc5cd3fab3e0cfae245e23db3d135ec63056b0863ace8bca1ecfc01a51dcf951215f645ed7a970799de706e5ea97fc398
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Filesize
1KB
MD53b29ebb799648bd7fa9d4bfe874c24e4
SHA12705dbad0fbbffa4107b00dbb53b694c3b26ea53
SHA256aee2140a628c44ce8b6b4e1c955e18178a420d41b5285c6477816d79918cdc61
SHA512005749173526b902ff60d02b3b0e9ea5df0cf78b980b7321d45edfd6b2e9230775fa5c4a11b65439bfd2d120b40fe9227bbe89a6e8588033d83de0d0a73507b0
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Filesize
29KB
MD552386707cf23014edb8d1bd863f3e6ef
SHA1e5c7931f31b88293132fab822d41e97f465ffe83
SHA2561f1424159047aa7b3fde09c8132555b72e92dd556337f0a1572c7f30d4863d96
SHA5127e396a261987c3ffdb23379ab1fae263ae944b74784cd1b506033f151df232f1ce949c9001e40b7284ec7785582acbd9856cd8c88aa1dccf090429cc24e9dde4
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Filesize
352B
MD55904980733e3bd4534c6d4d57860c42e
SHA1b5744a91fdb67276ca91a4a56cc51094ec1bb933
SHA2567700089caa1952256b0a48f771b39d439bdc8dbe949932ef0e8bb4aa629fd148
SHA512791f0c12c438a6097a87a0f7dfd83b885e7a4d26cc0a2edff5b001e6b12453f45eb5110a4b067ebddc627b3f71234e3bb584a7a13da8ceae86f226a08911e73d
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Filesize
352B
MD5df0ce6dee71d6b65f13e5590c197e50d
SHA1da06782f1998d3272542f2e88076828e7f08396e
SHA2565eac70a85ebd6d452cac4bddf2c0898021b5bcc775f9f6b6e90d276fd62cec26
SHA512fd8888feb8e04910e92515225d51cb9ec208e3d5fe306e2db02d9054305d155034aee993f1afb3bdde0155a2f59d5b60bec1924c7a5aa0090ac4f14d83c90e49
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Filesize
352B
MD5933015134b8e52bc49327dd30535db26
SHA121e5eecb5c7504c892a423d4c60016d2b3e6b789
SHA256bd7cf5018aefde05dfa5bf06d615cf0d58de601611894a2571b07f82060169f1
SHA5124b92aa8d475bf992b534cfb95dcef8daa2ec1e7d42319e82bca5a550032fdceb8cec31c62a6068712c4710c836c8e93edb2fe6319129150012b1783a3b5182c3
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2