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
11-12-2024 07:56
Behavioral task
behavioral1
Sample
c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe
Resource
win10v2004-20241007-en
General
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Target
c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe
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Size
29KB
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MD5
8a5e80827a6672b4cc9154e0f1f6b3a0
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SHA1
87ac9d1c691e6865d391b1fc1f470f721aebaad7
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SHA256
c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907c
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SHA512
de386c8b7e027d7df735457fd7280044bf7eb35212d855c2ccab7bcc4c79f94472fa939f66a4e6c3cc0ba1b872e2d16a927db6913364bee4e3ebcf3ae88dde85
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Hd:AEwVs+0jNDY1qi/qPd
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/5088-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-141-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-160-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-167-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-201-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4856 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" c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.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/memory/4856-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0007000000023ca4-4.dat upx behavioral2/memory/5088-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4856-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4856-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4856-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4856-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4856-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4856-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4856-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0008000000023cbe-43.dat upx behavioral2/memory/5088-141-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4856-142-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4856-161-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-160-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4856-166-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-167-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4856-168-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-201-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4856-202-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe File opened for modification C:\Windows\java.exe c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe File created C:\Windows\java.exe c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5088 wrote to memory of 4856 5088 c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe 83 PID 5088 wrote to memory of 4856 5088 c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe 83 PID 5088 wrote to memory of 4856 5088 c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.exe"C:\Users\Admin\AppData\Local\Temp\c6f81d9e11a4646b9307abfdf48e3e71a7b9c3acd9a9fdd535166aa02bb2907cN.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:4856
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD557c4dd3426dcab09bf7ea530b5dbef45
SHA14b69ebb48af99e3a73b68c5ce5897219fa622c89
SHA25629aeec34347b104bf981448e5f6fc6c7df570589c51cedbb2c3a046b67684769
SHA5122b166a392ddf7b5d729fe8056fa8fb5d92caed5ee3e7d2bf4d86364e9cfcf151210eaaa88dcf958f905900cb07f747bc4f046784fa5723409fb4f181e079e483
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Filesize
352B
MD58a76737fb38c353f1c9c2e891f1638e8
SHA137316d1faa9de5c77ef2564b18e918ce65da7633
SHA2568b3710b2ba7d644a36bd49f857495dd3d3e681673390f2264ce627294796889e
SHA512bdbe49268f3e6771169c49804934bde7200c77ba2fd631668e45ac8b9385dac05233e66f1412038daaf24edfd16bcb19db50e284e8229e81b2a7410c6ef6556e
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Filesize
352B
MD5dedd0bf99b8011a4ff46c77af94e0c82
SHA15fc28ca199605b4039534273e8590fd07d919115
SHA256f097a0c1f9884246ce19953e56873aea40ad7ca35bed69a6ee33f603c89ed1e3
SHA512ceef0cd08caebb784f4d876dc2f2e86612bd13bd99ccaf6f9100f34783b25d90acfa02a00880b345aa0cc73bb4bb7b1568c6f806bf88e88133c53520aeaf117b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2