Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 06:45
Behavioral task
behavioral1
Sample
4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe
Resource
win10v2004-20241007-en
General
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Target
4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe
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Size
29KB
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MD5
37b29aec52e9502f76796443e0a8a8f3
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SHA1
1866d3ac5937c088c3e7994d4c3576a6ed9f30ba
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SHA256
4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4
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SHA512
63747f0292ad2a6a794863b91c63e89c91a38188c2a05052ee58ba5fb3aca703c6b6843d10dffaa093614facd4fdbbdfaff4dd09f8a6663c86c193a22a6ddecd
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/l3N:AEwVs+0jNDY1qi/qb
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/1436-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1436-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1436-129-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1436-163-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1436-172-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1436-182-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1436-227-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3980 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" 4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1436-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b97-4.dat upx behavioral2/memory/3980-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1436-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3980-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3980-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3980-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3980-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3980-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3980-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3980-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3980-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1436-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3980-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d0000000219e5-58.dat upx behavioral2/memory/1436-129-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3980-130-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1436-163-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3980-164-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3980-168-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1436-172-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3980-173-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1436-182-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3980-183-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1436-227-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3980-228-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe File created C:\Windows\services.exe 4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe File opened for modification C:\Windows\java.exe 4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.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 4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1436 wrote to memory of 3980 1436 4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe 83 PID 1436 wrote to memory of 3980 1436 4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe 83 PID 1436 wrote to memory of 3980 1436 4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe"C:\Users\Admin\AppData\Local\Temp\4a2022f1a93535b68eaaffd7bcee5e05fb4053d3e7ab9ac6f734233548ce80c4.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1436 -
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:3980
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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
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
312B
MD55431b34b55fc2e8dfe8e2e977e26e6b5
SHA187cf8feeb854e523871271b6f5634576de3e7c40
SHA2563d7c76daab98368a0dd25cd184db039cdd5d1bc9bd6e9bb91b289119047f5432
SHA5126f309dd924ba012486bcf0e3bafe64899007893ea9863b6f4e5428384ad23d9942c74d17c42a5cf9922a0e0fd8d61c287a2288a945a775586125d53376b9325c
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Filesize
29KB
MD5e6577e9d1cd093990bb53306c7d910a4
SHA1b0dea19ae5e547841c2e2eb58015846367ea3a3e
SHA2568ba700f98698cff3885f13d4df792fc07afbf57af7c0db102e3f9df5ffaff30a
SHA512cd069e785817f2e4f481a658e34c95d43fbe01ebc652b78ff72b2f7d9d741a0c27d6629bd9471ee757f7a050cf1335d1666de3dd969dba6f30bc1d9820e65303
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Filesize
352B
MD51277b1a0e40dae2361ede00e9ae06d22
SHA1273e0092ae864341e3cc35f030488b93916a744c
SHA2569e0218b7a9b56b7ba8fdb3a2b568d565faf2ddf671688b7f06037f6fd4244899
SHA512ac1079f0f6dced83c2b1a48fc680bd176df2a600677474cb6b76b75a6a7f1965997bcbd1f3240c08c992413dc4c8abe8af640165b9efc4e23ce11e9803f8fe23
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Filesize
352B
MD5e9350cab01f93d001942aa7cb0f626e6
SHA11ecbb02ec381cf89e4b1f262e3b87ceb85551d2d
SHA256c13094267bbcff21adb0168d0c07a011917f87f8f3f97aa934170db63c5d3128
SHA512cf3e7f353efc2b3321e9d0d239ae54efca2002ffa2a2c4b2b7c2dd6bc22125483f3725ec8502ff73202ce9bf40dfef56ca5ce8f34eaccc720a3f47dd1a4dc0c0
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Filesize
352B
MD54900573bb6d205932cb2574a81d95e31
SHA16c3bbeca40ed926485f07e3907de31803f804100
SHA256fac2177e6de3f443a8f0aefe2a961ad6eb5ca060c332dc2a559892c85f1ccfe6
SHA51245347d1ca22fcda9640201a1f23500f3e293f8be4d95ad2936c35ce33e1f0269fb304e9d441b1872e88ef1b7d110b50e90589bf433d5f2647cf378dc5a41572d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2