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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 13:34
Behavioral task
behavioral1
Sample
1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe
Resource
win10v2004-20240802-en
General
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Target
1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe
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Size
29KB
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MD5
36b2ee18e92f35818fd311dd82568ec0
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SHA1
7eea79d269b557f4b75a73b6e605c33af74f43b3
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SHA256
1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775
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SHA512
4cccdbdc3290b91c90e19e44b8cdc951662ff8ef7e3fa0ea241359be8fe4c075831431b6f1d4b5848068a44751a1ebdafac8e4076b04bd0559974d6f5cfc8efa
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/h9:AEwVs+0jNDY1qi/q7
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/1744-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1744-47-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1744-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1744-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2612 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" 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1744-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1744-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x00070000000186ca-7.dat upx behavioral1/memory/1744-9-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/1744-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2612-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2612-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2612-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2612-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2612-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2612-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2612-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2612-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1744-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2612-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2612-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000018766-63.dat upx behavioral1/memory/1744-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2612-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1744-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2612-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe File opened for modification C:\Windows\java.exe 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe File created C:\Windows\java.exe 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.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 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1744 wrote to memory of 2612 1744 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe 29 PID 1744 wrote to memory of 2612 1744 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe 29 PID 1744 wrote to memory of 2612 1744 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe 29 PID 1744 wrote to memory of 2612 1744 1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe"C:\Users\Admin\AppData\Local\Temp\1347d2584ef911fc51a67f82568d52aeb0cca274ded8536e43029b609cf2c775N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744 -
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:2612
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD584b5e336e544b8c228a93193074b9bb7
SHA1ff211f76ca3d7d9b9e9514f11f3a0bc51a5f9849
SHA2560815ca489bda2ea05a65b391cc72d13a0e0801ef262cd9135a73c0608071c1c6
SHA51233dd787e7f0a0981bc37380a9e6b4d1ee2855490d5345df44ef85c9f48fc5185b92b4e6e77f00e0019207e1a6d2052009b4cd95a46fc678dc23b8190aa35cb1e
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Filesize
320B
MD55b985878a4cc7a0438e8a850bca767f9
SHA17195ab9aeaf3768c8567e4ecff68409e168a5229
SHA25692b552ee16c1ce9eec3a3cc9d9e68f92c9c9cf8b6ac85979881274afd4aecb4d
SHA5128db2f401a7981bdb8bbbf7cd5e1cf2f13fed80df500a79066a6b73d7226fe478afcef5f4235b78f96a56bf1776ac1c6f160c24d77721679d4cfaf52b8e0f271d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2