Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 00:48
Behavioral task
behavioral1
Sample
5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe
Resource
win10v2004-20241007-en
General
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Target
5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe
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Size
29KB
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MD5
8c5b241cdd578dd3464b2d0b4694cf00
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SHA1
b189b2dc2f84f9ebc8ffab54207bfbf277afa607
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SHA256
5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64
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SHA512
ddc7b89f43ec4446c222d3fd53a2b200086dd709e12b590b90fe670a3674f7a15b69485387ae0e8f0a52b038e8443455866e940e82bb9d0f46ffa67952ae0e16
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/fhQ:AEwVs+0jNDY1qi/qHm
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/1788-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1788-35-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1788-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1788-58-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1788-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1788-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1788-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2320 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" 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1788-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1788-4-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/files/0x0008000000017481-9.dat upx behavioral1/memory/1788-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1788-35-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-46.dat upx behavioral1/memory/1788-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1788-58-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1788-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1788-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1788-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2320-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe File created C:\Windows\services.exe 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe File opened for modification C:\Windows\java.exe 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1788 wrote to memory of 2320 1788 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe 30 PID 1788 wrote to memory of 2320 1788 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe 30 PID 1788 wrote to memory of 2320 1788 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe 30 PID 1788 wrote to memory of 2320 1788 5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe"C:\Users\Admin\AppData\Local\Temp\5dcf3cb182fb597629876bc29aa3dd0fc244f132032cbadd78917e8674da7d64N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788 -
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:2320
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD54d39584bf70d26d65f5a7191ffc3629c
SHA10de4626e8d69915c161a6b1f1da553d6ae478887
SHA256c0e20ae679133c5aa099ecd72620d663ce04cfa1adba66ce5e1ff51b8d833c13
SHA51217e1f7ad6725898e0c498a3e8944bc3def021a22ad1943eaf728b7e9e9a67328e5ac294e624d9123d29d73776de54e993346b8e385534ae8cd301f43973fad12
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Filesize
320B
MD5537431a499e3f5a54c31aad27496688c
SHA18ff187ac9fc064e225b5cc30e4c60ac5025f45ef
SHA256a2bde4feaa2ecf0adbf71db875c8508895d4778536846d040c4c03f6d5992ea8
SHA5128a8ac9b4520ab2cd8f30577578b3f71df2e7b0a10f1d4e7405b72ed338d6f90b585316ff8317138659d7ea28fe5f5d277fc9473168f7581905b155aecc607c23
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2