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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
23/10/2024, 11:32
Behavioral task
behavioral1
Sample
621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe
Resource
win10v2004-20241007-en
General
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Target
621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe
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Size
29KB
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MD5
0fa4fbdc1354043c6dadaa8abad5d1a0
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SHA1
e1fa8bb41e526ccd24fac28200921ffcf0018d8b
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SHA256
621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280
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SHA512
cbd95610543a413aeff503f450b9da67b4fa4a7d7318050482144a8392bb44e7b33994458331a2431e226fa964a58e05b8c698b2150ccff18d8b247173183822
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/2:AEwVs+0jNDY1qi/qO
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2304-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2304-38-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2304-40-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2304-65-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2304-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2304-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2304-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2824 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" 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2304-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0027000000016d69-6.dat upx behavioral1/memory/2304-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2304-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2304-38-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2304-40-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00070000000186c3-57.dat upx behavioral1/memory/2304-65-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2304-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2304-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2304-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-82-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe File opened for modification C:\Windows\java.exe 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe File created C:\Windows\java.exe 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.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 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2304 wrote to memory of 2824 2304 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe 29 PID 2304 wrote to memory of 2824 2304 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe 29 PID 2304 wrote to memory of 2824 2304 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe 29 PID 2304 wrote to memory of 2824 2304 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe"C:\Users\Admin\AppData\Local\Temp\621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304 -
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:2824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
320B
MD5467439cf7e763b60e21548b7425669e1
SHA13fa7c3328a427d26750955a5ea84f675d0bcfb4f
SHA256311da959a28077545c8232c7d984a641da5c7c37bbae7c3c1df15f41500ea6fb
SHA512750f9830cdb77a3c49e443c4460960ce432dbd87013486f14715a190ed873052581e628101ccdda3f589236fc929154f06a7d4f5853773b02514f03ea221f9dd
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Filesize
29KB
MD54b33ca452171e59d70ed318016d65d95
SHA15162293cbe2dc87ef1d6593c252f46441a9f4e2e
SHA25666404b56bfad909988d1d88ada9cc01bb1bb79efefba8d332bb48230b017dfa6
SHA5120f9770c095433f13ac6e982295896a732481a086d531092122eda159c4bebab3c77aec31f2a218cca5ec798b16f81a104b870797be194f4e9af304ff88ae3fef
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Filesize
352B
MD50fcd491cc0369cda5f1e830bedebb13b
SHA19edc928f0a0e8f89b81a981438df4763d5613fc8
SHA25610dff52d8b67aeea136b656c125d793211c986a38786e4d61bf41d1518aaa58b
SHA512bfb1bc87fc8d3f59841b4b0b114e1a366b3be2dc12ec2aaf25f7198a16b12d511557828409586169f1891e0c5cbb5e81904b4983c5fb3ee0487f0b92a1e4afad
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2