Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-01-2025 17:43
Behavioral task
behavioral1
Sample
7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe
Resource
win10v2004-20241007-en
General
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Target
7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe
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Size
29KB
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MD5
e7f9da4f4baa42906881d9ddc86928b0
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SHA1
d9bdffcba53b45898a542cf497c6ac67be9148c9
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SHA256
7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42
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SHA512
29781f1ae6992bc08209a0aad366d6a5a0cbcb8615088c186f450c9d0683e8c94906c2e638ac869d221e19c6bd392ecc2c2a1963e65c1779cdace56b09f18e6f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/mg:AEwVs+0jNDY1qi/qt
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/1252-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1252-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1252-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1252-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1252-77-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2380 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" 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1252-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1252-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016cf6-7.dat upx behavioral1/memory/2380-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1252-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2380-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2380-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1252-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1252-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2380-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-65.dat upx behavioral1/memory/2380-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1252-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2380-78-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1252-77-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe File opened for modification C:\Windows\java.exe 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe File created C:\Windows\java.exe 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.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 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1252 wrote to memory of 2380 1252 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe 30 PID 1252 wrote to memory of 2380 1252 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe 30 PID 1252 wrote to memory of 2380 1252 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe 30 PID 1252 wrote to memory of 2380 1252 7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe"C:\Users\Admin\AppData\Local\Temp\7b32a9ef85aa1c316f98803796a5208fcf7f72b69e9a64b6f9c73736909baa42N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252 -
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:2380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5c2a7dc9333754065edfe07d4d087c36e
SHA1dae8fd312571cc7a25f0c44af7e9f05ac2d54085
SHA256f9eb95de9208c6baa708f7ef6fcffd3f364d2a7c34c328d8a54e79ee711c892b
SHA512a2503a3d690db24921829a4d43a41c08ef0a5fba8d5522dd28085f7464edc252b00c741fe01cee55c93d0b837c2c2471190f9330c17d567c993fe31c7e80af0c
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Filesize
352B
MD5fc70f1f71628898ea1475c559f0dc16b
SHA17f5e5c153040fb09a0a670ef68e6a0a4ffcb12dd
SHA256a9306f3e165b9f66fa3d947c3fc259eeff6ed1078e67ebaa07dba57b66be45d2
SHA5128063c6856ddcb2fcf7e88b5601c300a0bcdcb26000aee258eed1e8840f5d0515529412d970bcd0811246e0567971cc179f17bf93fd64b780ce77b16672af8393
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2