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
25-11-2024 00:00
Behavioral task
behavioral1
Sample
da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe
Resource
win10v2004-20241007-en
General
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Target
da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe
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Size
41KB
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MD5
00474876b3a1a7e991c1a26ac1c222a0
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SHA1
af1c805efeba04147ae97caf8c7e56339cdd7262
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SHA256
da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91
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SHA512
0508bef9f15ac1ace5118add3b4ecfece68979b03e705040adcef671c0ad9703c8d666155b7ba0b0b3f618ba9bdc05b2bc98772f9b7228d5efa37c7204cf5c1c
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/J:AEwVs+0jNDY1qi/qR
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1080-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1080-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1080-114-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1080-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1080-156-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3656 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" da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1080-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023c94-4.dat upx behavioral2/memory/3656-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1080-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1080-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021ed4-53.dat upx behavioral2/memory/1080-114-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-115-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1080-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1080-156-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3656-157-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3656-162-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe File created C:\Windows\services.exe da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe File opened for modification C:\Windows\java.exe da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.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 da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1080 wrote to memory of 3656 1080 da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe 83 PID 1080 wrote to memory of 3656 1080 da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe 83 PID 1080 wrote to memory of 3656 1080 da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe"C:\Users\Admin\AppData\Local\Temp\da0161cb7fb9827fba0df2c76b9b7acab0b318d760ee94a600567d4920e88d91.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080 -
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:3656
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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
41KB
MD5c9ab259c614e0f7e681f38f07187eafa
SHA1c2392ec6e74bd682dc8e8ebcaf75b6dbdf094664
SHA25681a8b8f8713c2d55d10786668c9a40ab0f8b1290479d36eb85c480879cb01ff4
SHA51275ac41efabf877ead78e121bb8aaedf9a7830bf57b7afd7979a4e87aac300ceb2495ab637a4581de91adf9d971a9852aff7482bfd3475c74f8011a868e0335fb
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Filesize
192B
MD591c09704eef2e282e5821dd00e0910b5
SHA1f191a7f85787e00f68db228e3c28ec8fd999aeed
SHA25607d3098470afe2786b04e182ffb6902a955beb86e9affae2b3b3c6002893871f
SHA5122fd01917236807b4acea7d80db2a3a6e31bb7829131937a7dde244905a9bbc46ddeb45ccb9cd2986c7fad38a749bfea2fd71588600ef29f9a9a2dd4bafe62ad8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2