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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18/10/2024, 12:16
Behavioral task
behavioral1
Sample
21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe
Resource
win10v2004-20241007-en
General
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Target
21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe
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Size
29KB
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MD5
fc83b35eeaccd06ddaceb9564b2ab8b0
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SHA1
6f9e3d39c999ea3a63e5f548892d0d041e332169
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SHA256
21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5
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SHA512
c720cad5bf73a855f13c9b6a1e959916aa05c9c8abc3fc5f0017b30560f1b071cf87a89d26c401cd980a40ea124de8bd1773f5b761a1b3a793c895ee83d10a5e
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/lw:AEwVs+0jNDY1qi/qC
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral2/memory/1032-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1032-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1032-115-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1032-153-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1032-155-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1032-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1032-198-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1032-228-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 3068 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" 21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1032-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000c000000023b7b-7.dat upx behavioral2/memory/3068-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1032-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3068-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3068-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3068-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3068-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3068-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3068-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3068-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1032-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3068-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d000000023a48-56.dat upx behavioral2/memory/1032-115-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3068-116-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1032-153-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3068-154-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1032-155-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3068-156-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3068-161-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1032-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3068-166-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1032-198-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3068-199-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1032-228-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3068-229-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe File opened for modification C:\Windows\java.exe 21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe File created C:\Windows\java.exe 21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.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 21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1032 wrote to memory of 3068 1032 21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe 84 PID 1032 wrote to memory of 3068 1032 21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe 84 PID 1032 wrote to memory of 3068 1032 21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe"C:\Users\Admin\AppData\Local\Temp\21bb7cb2fed93c86a46c38b44a3c98cc0e3c47e8b279ccb9cd8f4c47c3a7a9f5N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032 -
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:3068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
305B
MD5157431349a057954f4227efc1383ecad
SHA169ccc939e6b36aa1fabb96ad999540a5ab118c48
SHA2568553409a8a3813197c474a95d9ae35630e2a67f8e6f9f33b3f39ef4c78a8bfac
SHA5126405adcfa81b53980f448c489c1d13506d874d839925bffe5826479105cbf5ba194a7bdb93095585441c79c58de42f1dab1138b3d561011dc60f4b66d11e9284
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
29KB
MD56d7513f27e87b5885f4940f639b7b18c
SHA17ae5a5c7e8bda869ec37a33123766a1de0f06979
SHA2562a2731c6e91122a5a691066d97b887944c5bccfeaaa5250aba595c980bb627bd
SHA512af43d27c120c12d07712c714610cf928be309817311860e31ecf4d34d0802ce4a3be4851eb4197c11e08fe5733c28d6f60c25dad26455f3d3dab1317c6ac72fd
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Filesize
352B
MD571d77f3fbab5b4577cb19245363de926
SHA19a671a43b158ccf5f6e07c08a79158ba9c89fb3c
SHA256afef9ecafaa1062335ae3ace84ba88e5405fa35a543d72899142dd78ed748bc1
SHA5126e1d574b998dfa324f857ab08d9ff2efae92c456c8a5fee8d3118a47442a0a7e027e372b99bd7222be37545a0e16aa0f59a16a81579e90bc5ba919808284c6ff
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Filesize
352B
MD595d8e68c0547aa935fa94b3a63424d9f
SHA1e51fbccc383a23be9244881623a4a85860268df0
SHA256a20d34f604b819421f1af32d8e3dd346e4f6e46e030eaed011a89a05170491c0
SHA512102ff1ea083f838f625a6d4239eb70809c7b8b11c8aa0f9df8d8a68f64c9e16fe02d1a4551b8dabd208a135f90014f1d04bda132d4f18e6a3394777f698abc92
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2