Analysis
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max time kernel
120s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2025 12:25
Behavioral task
behavioral1
Sample
de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe
Resource
win10v2004-20241007-en
General
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Target
de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe
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Size
29KB
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MD5
9a607f1b789d8d819a8fd99ded657ca0
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SHA1
ec45754230dfdfee08aea8461ec9abfd5ac7c74f
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SHA256
de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480b
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SHA512
7466a12ff47a530dc6a95b1b1fc01dc4fdee89749f453df9fd04896361bed7e00c7cf528491b7399a549d048a1491d038c1eb3f057a68d11ad704965fbc3fcb4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/qw:AEwVs+0jNDY1qi/qD
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/5088-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 460 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" de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/5088-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023cb4-4.dat upx behavioral2/memory/460-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/460-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/460-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/460-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/460-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-67.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe File opened for modification C:\Windows\java.exe de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe File created C:\Windows\java.exe de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.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 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5088 wrote to memory of 460 5088 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe 83 PID 5088 wrote to memory of 460 5088 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe 83 PID 5088 wrote to memory of 460 5088 de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe"C:\Users\Admin\AppData\Local\Temp\de37103b21e0a2ce8d7096ce6062c17e61f2227e44470fc94239f8139844480bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088 -
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:460
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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
MD581044fffab3911d784579d85ad5f466e
SHA1db345f8a3757a4d2ef6531fc318976aadc4f992c
SHA2560c0485ff6cb995a7cafe632fd2a2ed6cf6f11ba86b18990b5c30d549cea3df5c
SHA512ca7ca5374ad29903424e6a065e47d35a1c6ba8348bbc84e549957685ec8021b018036cdc9a3ca4ddf9509207f1458efc5571a9756bca9c9f39d5f5f324be4556
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Filesize
352B
MD5c643001ca6c4486923767906a2798168
SHA1a1fbded67d1afbc0e2999fbe41cc8e16da32cfaa
SHA25639e75045651c8d21fd86a2752f48a80cebcd79dc15a32e38670fb8c3177e4716
SHA51264d50cb6a895778c02d46af71aca739feb4405612ca7cb3f01741dfa68f5c4932d432a46561a56d746d1c9e84743aaa3c573b9cb890d783ca801525e50f350f0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2