Analysis
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max time kernel
120s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 17:26
Behavioral task
behavioral1
Sample
4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe
Resource
win10v2004-20241007-en
General
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Target
4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe
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Size
29KB
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MD5
91e4b40487a84dfc86c3eef81f57aa30
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SHA1
fa570da209ab846f574d169a15e62ebbbedac737
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SHA256
4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479
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SHA512
3c2c283fe92cd9f5fc65cea615d2055a774f3de18de742a69b257dd304849ae9ec005c881f0578480e6d358cc08bdfdb08542ce910ab5e002139c78b02e2330f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/BhA:AEwVs+0jNDY1qi/qJy
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral2/memory/4484-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4484-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4484-111-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4484-151-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1976 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" 4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4484-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023b9d-4.dat upx behavioral2/memory/1976-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1976-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1976-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1976-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1976-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1976-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1976-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1976-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1976-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1976-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1976-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-60.dat upx behavioral2/memory/4484-111-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1976-114-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-151-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1976-154-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe File opened for modification C:\Windows\java.exe 4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe File created C:\Windows\java.exe 4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.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 4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4484 wrote to memory of 1976 4484 4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe 82 PID 4484 wrote to memory of 1976 4484 4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe 82 PID 4484 wrote to memory of 1976 4484 4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe"C:\Users\Admin\AppData\Local\Temp\4f525acfe5a93eaf496593266d2e345ff2bf267c8b867a15c8c44567ae773479N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4484 -
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:1976
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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
MD5557f8a4dd3c99a9e87df899c9355d2e4
SHA1e9ac213abec95f5f29b32c572b52b7cf3e291615
SHA2568f5ea038a49bdb6d00d6c4a4b86988580b9909b2585eb5b73950f07b6aeb540c
SHA5121ccbc183840e236ea6f01582df04d6a79816142a8a4fcaceedec2d3cf61a00b87d50aef8ec2dfcfe3e89efc7bd0b55c5731349ad63ac8622c7392d10ce203c5a
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Filesize
320B
MD5116688ddf26479a43cbe31dcad889208
SHA10faaae24ee30b19e85e8e871cda7d5ca70629bde
SHA256ada40454020b8f70d67e3bb675e2bdafe7468205c592bc84ed8c84daab54fa58
SHA512b5e2ecb1f3df7595acb3c28a66030e232c2cd6d4df239e0148f6ee880ed49dfbe31c3d88514aca0bc38ddf5eed969b4bcda6b856b4ba1616ffb53bfc7413e0ed
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Filesize
320B
MD5ce9f4ee56fc1a191099dfa276e748229
SHA12c4906161c56bada812b752c86b98aad3b72e557
SHA256c15142f1f70511c86926b1f882946ea42aaa412e38f67a68a632dfa95d21c80d
SHA5126eb234de16b26e75e6228dc02c0ddc8f5e4c4a47ad61e0bcc8c51c8bb1c9e503bae38f024b77e0f6bc73c93d089aa72dd0175f18bca2234a2e92f95821ffa29a
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2