Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2024 16:08
Behavioral task
behavioral1
Sample
8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe
Resource
win10v2004-20241007-en
General
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Target
8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe
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Size
29KB
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MD5
672b6a8b5744ecc32e547ecd71214c51
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SHA1
b86e2428abc803d9a4154cd45c48ef1f6e14981a
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SHA256
8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b
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SHA512
e371c25a5593c2aac112d290e8f842d155e3c017e118a046ea58a8b512b38223cc2ecf412b37bd6370b9881dfec892ec22fe010c7608150a0cf09db70bfa463a
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Bhw:AEwVs+0jNDY1qi/qJ2
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/4296-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-139-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-172-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4296-202-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 464 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" 8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4296-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000d000000023b72-4.dat upx behavioral2/memory/464-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/464-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/464-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/464-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/464-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/464-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/464-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/464-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000022187-48.dat upx behavioral2/memory/4296-139-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/464-140-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/464-166-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/464-171-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-172-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/464-173-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4296-202-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/464-203-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe File opened for modification C:\Windows\java.exe 8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe File created C:\Windows\java.exe 8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.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 8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4296 wrote to memory of 464 4296 8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe 83 PID 4296 wrote to memory of 464 4296 8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe 83 PID 4296 wrote to memory of 464 4296 8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe"C:\Users\Admin\AppData\Local\Temp\8521fa433fadde8cd2fa78131716619b821c79a582f1f3839178e11c2a37c56b.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296 -
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:464
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5b0f170d6fc2f8c3094deeec64d9c5407
SHA126ef79e036258d0654871532b8151e98f7410306
SHA256139932a052af2b99868c42b9474cbb92471d2ffa2d1e3b512e29d75fbcb356ea
SHA512e52d0b936e69f54a72ea7317815ce006c44bd56437c0efaf65be90cd313037968f43447f745bdd1edf5b1952de29f5bd3fc23f4599bd225e5b03885f06d85e23
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Filesize
320B
MD53d9d6c8e1b1a85b4284f19f801b45e41
SHA1a78c7f59277877ef35d63c406b880216104902af
SHA256c176e4da2cb1cfeaa7696bf6c854eedd041e3c9ba8e4a0dbbb3dcf3edee29a5a
SHA512d7c9e7fb91e26cbf65f1a93ecdfc251165d25dce3daf3cf71717aae75e525e0676046553df6674a778536e85267dc1449229abb5d426779e44214ea6771a69b2
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Filesize
320B
MD51157cdd297bf11d0e2c17c026507aaf8
SHA1bfccc1f5bc12b944bc214eeb93634df8828c9139
SHA25610a0c8c99065727d0ecc5d2eb8a1e90db69aebd3e4fa1c89288076aac1b8a13a
SHA512150afbe57f4234f893105f682364e887ef8e5923eb90aa6db6ee495f7703388818d85e79e4483eae3818f1dca83f5169e995b8d87b842619036834e373e05116
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2