Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 01:01
Behavioral task
behavioral1
Sample
83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe
Resource
win10v2004-20241007-en
General
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Target
83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe
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Size
29KB
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MD5
1087834e111d4c9d36bab9bb21b89355
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SHA1
2a28023f3ca371e847053bf0c671f03fb43b16e7
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SHA256
83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1
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SHA512
80bbec0a07f1646bbd206d725beadd192566d251b93804cc8d6769ac10c8d43c70f6e411b6bb9cee4d16c51e91c95389e8a8305f828948ee3e191f9054a113b4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/uO:AEwVs+0jNDY1qi/q7
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2412-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2412-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2412-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2412-80-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2412-84-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2720 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe -
resource yara_rule behavioral1/files/0x00070000000186d9-9.dat upx behavioral1/memory/2412-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2412-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2412-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2720-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2412-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2720-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0035000000017530-70.dat upx behavioral1/memory/2412-80-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2720-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2412-84-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2720-85-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe File opened for modification C:\Windows\java.exe 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe File created C:\Windows\java.exe 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.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 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2412 wrote to memory of 2720 2412 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe 30 PID 2412 wrote to memory of 2720 2412 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe 30 PID 2412 wrote to memory of 2720 2412 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe 30 PID 2412 wrote to memory of 2720 2412 83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe"C:\Users\Admin\AppData\Local\Temp\83e9bff741969329bdc4d5d73101311af4471a83d7a859adc7d4ab9129308ed1.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412 -
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:2720
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5d66386d6d625b10a293f8120468212e6
SHA106093d7df1a1f23b1ad9034a53e408f95870675c
SHA256211b1d94ff5c2ab581b496909e206f8c0b776871ea60a202b2ba0eab4e56b7a2
SHA5121ae9076f54105a95d88a5e757d8a6c30a3322e179fc5713ba5b3284b795a7f986b61bcffff67a51db95a4988694ea1ec53b6302a33d0e0a0f57a18d8527ecd8e
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Filesize
320B
MD5c62c84194c3d44286c8e2fe3afe02387
SHA1fdcacbc438da638a7b3b240e4b09b76a30a9f6a2
SHA25695c4f0761564673ef1af2bca185424f43b86fd6db5c1279e1352785ee4a12d4f
SHA512b548beec0ab8b72a45c54b747e8f54de44f6a1f11165fe721324dcba0e4c4b7c25644b426dd732515d6ba850b58b45c3f85194a556aca2a1de29d093e1526ba6
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Filesize
404B
MD58e52eb6fa7c6cff06f159c0c748a60a9
SHA1e38643d53029809093e58b4b0dfaf093a92500ac
SHA2566a719e0f083a4d553d205432b156b80226959d9f9adc519611281eebbfcad0ad
SHA512521c9049e560422457b9c6e0fb64d4efed2551fe23aca750c225ecc10d03f195e6b53700fd19092a44a42d6613e4dc5d51716830ae30a56a21daf2e7be5cd71b
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Filesize
352B
MD572439efc6f9a879046bf0b8dddd6294f
SHA1789a371a24b04f9bd5ae02bcc2197fee90433f09
SHA2568eca817b36c078dbaf7276f772cac5ecb330613f12aafa6eeff043404097a073
SHA512d11033ee26a052800eb2b5201cc4bc536f41b4db19ef953cca928eafdf2496f0624aa6cd694c075737ef6030c08992e3e3cf1cce08a0624110b09db282da0301
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2