Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 23:01
Behavioral task
behavioral1
Sample
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
Resource
win10v2004-20241007-en
General
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Target
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe
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Size
29KB
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MD5
98ee09ed253193dfd7820aac0bfb4dca
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SHA1
3b479fe57b4cd1985c6fe241273d216bfc68d772
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SHA256
5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13
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SHA512
53aee154193afb387c4a6d66f10396a1056b8b5749e0a527586207dd3eb7a36c0c9ed6713a6a86988e2e626aa05b0480208fe29dc50dac2bcf0f52c8dd3fd38b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/hh1:AEwVs+0jNDY1qi/q5P
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/5088-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-118-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-162-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-166-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-168-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/5088-186-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2364 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe -
resource yara_rule behavioral2/memory/5088-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2364-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000b000000023b76-4.dat upx behavioral2/memory/5088-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2364-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2364-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2364-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2364-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2364-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2364-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2364-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2364-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2364-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2364-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000000709-55.dat upx behavioral2/memory/5088-118-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2364-119-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-162-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2364-163-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-166-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2364-167-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-168-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2364-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5088-186-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2364-187-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe File opened for modification C:\Windows\java.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe File created C:\Windows\java.exe 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.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 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.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 2364 5088 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 82 PID 5088 wrote to memory of 2364 5088 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 82 PID 5088 wrote to memory of 2364 5088 5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.exe"C:\Users\Admin\AppData\Local\Temp\5a041301e5e276dd0b86db775079bf4c8c2c59063a9566b93225e5142a79ba13.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:2364
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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
MD58ab6b6c49e35b3bbc863f2ecbed9adc5
SHA14a3e3745193180a57d6555afc1c2fd5267a0a51c
SHA256c59e5ae6d2e7105360a19333927fe641435c65eac2e4206be3953b9a88d9ccac
SHA512e3895463d2902ecb591031c6c55dac5a293ba3d5fefe3ed646a3ed369e2b4dc68138694a3b8306c6cc4ab28c744596f64cea48a798b94edfc307ba1999d7519f
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Filesize
320B
MD5ae55b4faf5540324afba6b20a10cc419
SHA1c5d12b688046427b92d0e8c43024af324af57f6b
SHA2562317b1146c06924950e914c31eaa25a4eb6a47b56d65890b23264507bc9be15a
SHA512106f3735f9089c009d3b7263068c619a39d31fb3794d47586ccf046f73340987587d6c3ff31daf0b60767d864638755e2711bee5bcebd94bb56fa2da08716a30
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Filesize
320B
MD5c035a30eb5c534a19662cbeb5ebdd47a
SHA1aad810c02c800e9b9cd5cf75bec3c26466465004
SHA2565ce94ad12efc899e93b56b2d975baa2f2cd1971a3cec4f138d980b9771ebb5a0
SHA512eb2f12ff3b99c24ca622845081fdeadf46801505295a07f23ed1fe051e3df876a8c0fd96105652dc3cb30de8ffa13299c794755a7e21480283808e40d3ca703e
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Filesize
320B
MD5b98dc39f99546c148521bc7b21048294
SHA1310c4d45df93de1f538a26a3f13500cd9fdc95ff
SHA256c56f992a1e7f4c3b52ab2eff708ba39c5f9021ac90ec672692cedf904022f017
SHA51277b8fa5bfbdc6d5cc8e2c743d32382d618be13d10473592f8a338b48fad87cb9785f377d98a6b97b658fc7ec1f2e538898dcb0ccea5d508b151f3c995151ea31
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2