Analysis
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max time kernel
120s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-01-2025 19:57
Behavioral task
behavioral1
Sample
c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe
Resource
win10v2004-20241007-en
General
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Target
c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe
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Size
29KB
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MD5
980d930e62af9edc70a22e55ecab15e3
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SHA1
11a710303675f21d75527383a93aa6eb78a04816
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SHA256
c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954
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SHA512
9dc040f79a46e955b30c22adcd6ee90baccb355c47f3d13d4e1af41b403997d5e27199599985ebc9b8a92f98746f7fd95394eda3fb6806aa4a3c451273bf0528
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/1h9:AEwVs+0jNDY1qi/q97
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/392-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/392-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/392-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/392-135-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/392-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/392-161-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/392-192-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2832 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" c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/392-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c90-4.dat upx behavioral2/memory/2832-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/392-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2832-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2832-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2832-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2832-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2832-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/392-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2832-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/392-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2832-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021ed4-51.dat upx behavioral2/memory/392-135-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2832-136-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/392-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2832-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2832-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/392-161-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2832-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/392-192-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2832-197-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe File created C:\Windows\java.exe c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe File created C:\Windows\services.exe c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.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 c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 392 wrote to memory of 2832 392 c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe 83 PID 392 wrote to memory of 2832 392 c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe 83 PID 392 wrote to memory of 2832 392 c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe"C:\Users\Admin\AppData\Local\Temp\c3b8dd8157a2b081124bddc3c545d9b1c91eae5c1e6f5c7d977d0d91c077e954.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:392 -
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:2832
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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
MD519aca2fe0676e3793ba249c8d3140fda
SHA1d2ae3a4fffbf53221050399ee1d1215aa0a9735e
SHA2562bf36535bb1238253f0ae393a68491f5fcfdc447f3b1a36e9a8c3cabe5614a2c
SHA5128b1206aeef7778ef49dbe481409f7e15dd6b2e227129c84200c7d7f448d7debcf181d8eb14da31f3945348cc3bcafe6c057d32af4471c72fe187bc21e329817b
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Filesize
320B
MD543e27a8443495fe695513f50a6b09744
SHA143d455c39a54b7ee0aa424cbf341eba1d21a9141
SHA2566530f1eb7aafef7be47f7944b30c11f10f685406fd26e559d4abe7309b3b313b
SHA512e88ccce0bc767275375a129c0d33fc85e2e5d8801b5da1c389b1170418e759abb2ae01d1300d1b2534fb076fd82722f530ec531213cade0318e69f5d20580345
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Filesize
320B
MD504c20a567ea1e177986a878736b05667
SHA1fb8d650b7db3490f15c231908c160856fa70441a
SHA256036b5f11709caa9f51c489f2d77e9b536ce6aff929e2e3134930e07890000ff3
SHA51240c6eaf1a24062070c66924af9c6aa5376c3f41a9c8bfb0a9d15d7f068a224307c50b13a0c56c104e211e5f92b57b28769b674252d2a4e4bb9dcdd7c6e528427
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2