Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
18/09/2024, 23:33
Behavioral task
behavioral1
Sample
dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe
Resource
win10v2004-20240802-en
General
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Target
dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe
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Size
29KB
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MD5
54dca33a9439c874cd5c3c3a2c249060
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SHA1
760227546f72a33e3391a3b46fbdca5e72899f4b
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SHA256
dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5
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SHA512
5268ffc59c8831f8e0a42eff860f1d216cfc9d59207a915c02533469ea21b40113ab57485404e54c66bab00bbf0e040345d3466437467ca26237cc285fd51034
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/O+:AEwVs+0jNDY1qi/q2+
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/1864-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1864-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1864-77-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 1292 services.exe -
resource yara_rule behavioral1/memory/1864-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1864-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0007000000019219-8.dat upx behavioral1/memory/1292-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1864-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1292-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1292-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1864-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1292-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-69.dat upx behavioral1/memory/1292-78-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1864-77-0x0000000000500000-0x0000000000510200-memory.dmp upx -
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" dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe File created C:\Windows\java.exe dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe File created C:\Windows\services.exe dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.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 dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1864 wrote to memory of 1292 1864 dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe 30 PID 1864 wrote to memory of 1292 1864 dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe 30 PID 1864 wrote to memory of 1292 1864 dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe 30 PID 1864 wrote to memory of 1292 1864 dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe"C:\Users\Admin\AppData\Local\Temp\dac82d087e5a0d28b3ad5f2b23170c2bb78c45f2477661e724171779add94bb5N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1864 -
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:1292
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5ba58d9c8e0ee960039f8091589652e80
SHA1907d40619c6257d371fca1eb87853c5fcef4f721
SHA256bee4cd00c429a74017b51ac0b37880bb542403eae0f704a9c257e7e1066c13f5
SHA51263f1e70e959805a7accfca5455d5ac1b8746d520ab4cc70a38656a623261a4c5f09cda54f7bcfe7edb0858611f48c7fa06b005c3c4613443ed42898946754cd9
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Filesize
384B
MD5ae15cc906443dd986b4a17ebd5df8c44
SHA185ece4df64428322baca0ef3439a6624fcb9df9a
SHA256b53416aaccda8ac17238145c54ef2d7145fc3a12c1a1c2422cafc5f843d3fba6
SHA5126751a578687792fb8e0048dc34ff6984a46c9592eed111e72929c3cdcb6fab6eca85fe041a7d6c7015985839177c02afad22021ba5f4a14f1ec303a58f8e851f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2