Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-01-2025 20:32
Behavioral task
behavioral1
Sample
13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe
Resource
win10v2004-20241007-en
General
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Target
13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe
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Size
29KB
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MD5
903925686e41bd8918b1a75c3f7e34b3
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SHA1
7fa0f5ecda7ff6019adc2f6c028cc983fb9b2b75
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SHA256
13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258
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SHA512
8edc54a411e8ded659b7760430a05d0a6202529e1d4576a772d9d37d0374831751551848261852f1505df5acc67ba80ee02c8a682968de0458948d0061ed3766
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/WhP:AEwVs+0jNDY1qi/qe5
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral2/memory/3456-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3456-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3456-143-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3456-145-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3720 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" 13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3456-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3720-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000b000000023b8f-4.dat upx behavioral2/memory/3456-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3720-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3456-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3720-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-67.dat upx behavioral2/memory/3456-143-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3720-144-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3456-145-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3720-146-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3720-151-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe File created C:\Windows\java.exe 13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe File created C:\Windows\services.exe 13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.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 13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3456 wrote to memory of 3720 3456 13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe 82 PID 3456 wrote to memory of 3720 3456 13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe 82 PID 3456 wrote to memory of 3720 3456 13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe"C:\Users\Admin\AppData\Local\Temp\13ef8eec3cbce9852665c44d9821c4a43b6d868e851191c488009e043b39e258.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3456 -
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:3720
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
153KB
MD51b515e482d25fc39922bfb2221b6ec42
SHA15e8d3711baec081ac571fac63ccc24d5a2e63c8d
SHA256e30049aa528b35c266003e844bee2acafa40b87bf0479599f00b3c891f183f1e
SHA51243387279af336e725eb5b01809a8d3fe3f2e817670af821aff2180af8611eb6feb4016f1161ae2f504d6c2225424a4a7ed580812a4db0117ad50532beadb3e2e
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Filesize
29KB
MD5acf00a0f4b4531e4d3ceb6e97ccde5f2
SHA11d07bf7a14d6f1893abd88cc214eb2150b0a84d5
SHA256979b6bdefa4bac933623b606b2ba63192de29c5a814a7376ac807f8b478a8a24
SHA5129158ffa789acdab2b51dec0cd92ed6ff61a24834fd8098aa497886ba836f979fb62ad45af13ecab41c7bc66171c001cf868c530e73189a2a32e7f7dcbc71cbfe
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Filesize
320B
MD5a336d09d90ddbaca0f95d5b0bbf04202
SHA1edbf06d5d04d532945cd665f02872587f91895c6
SHA2567aa168e53c8edaad4a05e615e1df64f21bc230b35516450f2d015de60dc44140
SHA5125559118e8c1216af6167782eb5e7c4b5c1acfa042f4038c0783a684003317046c1b901c104a67c5bdd14f7be628042dfe5a12376def86fe2adf8e037137244b9
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2