Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-11-2024 06:04
Behavioral task
behavioral1
Sample
b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe
Resource
win10v2004-20241007-en
General
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Target
b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe
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Size
29KB
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MD5
fc1eac937162ef28f0992f49ca7e094c
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SHA1
647967032a6f824034e0a7134f673de24159cc7a
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SHA256
b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd
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SHA512
0195b7f654008f87c9f6494319c4e53bad686dbe217812695cc783a0dd21a21bb87b9ed0d291346ee8459cf8d81a6d6feb42797d7742d6ed5cc6deb0dc8e0d1d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/8:AEwVs+0jNDY1qi/qU
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2916-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2916-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2916-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2916-136-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2916-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1084 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" b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2916-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023caa-4.dat upx behavioral2/memory/1084-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2916-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1084-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2916-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1084-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2916-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1084-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000709-67.dat upx behavioral2/memory/2916-136-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1084-141-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2916-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1084-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1084-159-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe File opened for modification C:\Windows\java.exe b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe File created C:\Windows\java.exe b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.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 b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2916 wrote to memory of 1084 2916 b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe 85 PID 2916 wrote to memory of 1084 2916 b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe 85 PID 2916 wrote to memory of 1084 2916 b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe"C:\Users\Admin\AppData\Local\Temp\b8b00cb1512223e054dacf083ef71e6a9da98d1021eb0d5aa2cd34f159374dfd.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916 -
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:1084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5ae94d3d5a49c4f6fee74b2794a5fdec4
SHA1c3b2571cb187d4872ecea7298f20dca668b1a322
SHA256945fa5fee05cda4c6b5a08635f6e5c8cd84965374ec44886572bd2a9fb9316ad
SHA5125b675893cdea6104291d7715d9eacb6357dfcb4f34761f30e4eed7245f37b502f7b8ee4d5ad30726f8612f049f5b9a10c6d47cb8f9a6ce8764bbeadbdaaaf7fd
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Filesize
320B
MD5dfdf1d6e249fc2f83174984803f4e5df
SHA1ebce2ee2fcfdc0d91a54a2db8ad24bd2974f82c8
SHA256ca8f5a034d0ccf4b57813d6f4ab910fc84fd9a45045f9e4939d1f6b83ba6f927
SHA512144c5dedb8b3101a2a119a4baa7110c26a1d7d13ecb8924742bca471a466e8e11c09883aa0c8ad98ee684f196ba7d0b0a858dc71012412e4c5a529366cf24808
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Filesize
320B
MD5a050b58b0b24cb0b10a7309ab7fd213b
SHA1e6db3d4e585931b60a16e9c8fb1ffb40178179d1
SHA256f058d062223f3c73cda69bc5cf08e739192357307de51d71a399f37357450059
SHA512c073dc823fa3f34cd9c0dcbfb7d23f87865cee78aadeab2862df18783a9cc7536a4df21f836a547fab4661208ab909d06df9eaa652d4f599ec4be3e89945fc4b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2