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
07-12-2024 05:24
Behavioral task
behavioral1
Sample
cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe
Resource
win10v2004-20241007-en
General
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Target
cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe
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Size
29KB
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MD5
fb457f6366ddcaaf52ead596e16bd74c
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SHA1
2ed964e49042f45e6180970f50225da4f3c92b50
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SHA256
cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750
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SHA512
4b590bee173adeccf0e0a98912bc8889af329f33cd949af4d7456e1029c37235c2c3433a9bb7aca9d6ee25ab9b464ac82e8f05ebe96b9dfb169cd12c72c70942
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/L:AEwVs+0jNDY1qi/qj
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2772-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2772-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2772-143-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2772-171-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2772-178-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3104 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" cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2772-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0009000000023c91-4.dat upx behavioral2/memory/3104-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2772-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3104-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2772-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3104-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-68.dat upx behavioral2/memory/2772-143-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3104-144-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2772-171-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3104-172-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3104-174-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2772-178-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3104-179-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe File opened for modification C:\Windows\java.exe cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe File created C:\Windows\java.exe cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.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 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2772 wrote to memory of 3104 2772 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe 82 PID 2772 wrote to memory of 3104 2772 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe 82 PID 2772 wrote to memory of 3104 2772 cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe"C:\Users\Admin\AppData\Local\Temp\cbdd87373dd345a682e1a2ed500fc5c3c4612b19b5b4332a76cb7f446f307750.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772 -
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:3104
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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
29KB
MD53c3614f4039d46d05cce7f05e2f10464
SHA19852a1d003a089fe24757642198af738185a3b19
SHA2561c60ec554cafe1ec743f0590b1e8e9626a66c7fe45b4098e831e3d65f732580b
SHA5122a00b21effefbb3f7393f2528576e7d2f4b93f7696123f45d6965189e7916958d635bfa57751d49b8deba7de9acdc53eeee7acc87ad3df582bed2cd486791c13
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Filesize
352B
MD5c53a44562a585671440aca9719cfbf05
SHA15cc93fb27888d1ede5ebc275885de7617473da66
SHA2566ae2b8ab7d148657f44c85310853f47b79cb85ee700da795dbdb94226e6f1a68
SHA512252e4b42d5ad0c692e0d313f912a36ea80a9c4b71b69dd6068d7a69e300ec5dbc081360b45a487570ae7d5dfd49939d2f9cf16863ffec7bbf40ab529be38e86b
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Filesize
352B
MD502540bd479ee4d012e2031db24d2cf6f
SHA19c6f94dfcd0fcb63d0aff112a3294bd6adecfbb1
SHA2562406899c6751433161196b0830a84e45691c198e84159038dcdbc596a8952ffc
SHA51266765b96352e2dda8ff1b44c2904cf58cb518e74bf6fe475e05289529aa56b6d9ab915dd0ea850a4d1c33e5bfad2fd11a110f576c63b3e41e109c71b6e796f22
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2