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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
21/03/2025, 20:26
Behavioral task
behavioral1
Sample
8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe
Resource
win10v2004-20250314-en
General
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Target
8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe
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Size
28KB
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MD5
c3bee081437773b258f19be7af5309a2
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SHA1
8994d85fbbf9dee441a1edd9db4b077ffc2f55af
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SHA256
8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2
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SHA512
bbc302d4bd8ba9822ae082fced3ca2a3df523be1fa023f115f058276cdec713a06243b3d786dd6ede50c132674a3ea79d1933e9f195a3d33d4e1b53629a77c10
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNTd:Dv8IRRdsxq1DjJcqf+
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/1020-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/1020-44-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/1020-168-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/1020-216-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/1020-220-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/1020-227-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/1020-242-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4404 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" 8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1020-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4404-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d000000023f1a-4.dat upx behavioral2/memory/1020-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4404-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4404-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4404-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4404-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4404-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4404-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4404-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4404-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-44-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4404-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d0000000227ce-55.dat upx behavioral2/memory/1020-168-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4404-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-216-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4404-217-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-220-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4404-221-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4404-226-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-227-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4404-228-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-242-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4404-243-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe File opened for modification C:\Windows\java.exe 8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe File created C:\Windows\java.exe 8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.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 8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1020 wrote to memory of 4404 1020 8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe 86 PID 1020 wrote to memory of 4404 1020 8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe 86 PID 1020 wrote to memory of 4404 1020 8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe"C:\Users\Admin\AppData\Local\Temp\8721842c26e2bfc31383e58235a7919c51d3f2fcdfa267d9f4c7a616bccf59a2.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1020 -
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:4404
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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
141KB
MD58bedbaabb15e49ce6754724d3e6310b5
SHA18932c47324d745a88316cabc982b290672bee174
SHA2563f9c2ae51f8f57cee35f0a7848a2ea792eccc1fe8e39b3510fa7fe7efdef1fc8
SHA5122d93669b14b504ea4ac39f961a658607e5670ba4b09e6af34cb559e85f18cf23f0b13eb2110e868ef8baf8f9f46f74ca72401bf698b4a465dc669e667e3cd5bc
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Filesize
153KB
MD5a3ac17e77dc3f84b4365f449371629ee
SHA1dd652128c224ed610cb06086d70de670ebe24a13
SHA2562b71d4c2e8c9ab0677a0df066c2d82760ba62b48e0af16ceffc8fc0026a7ac6a
SHA512506e27a5e2fe8e31bb4955f12c2eaed1fcfc1b02508aef3cbb4ac64fbccd2d2ac54613a9f4ed3c8a7c5f46e321b033272ac310dae2e0e70f4382d84bf731f2bd
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Filesize
1KB
MD5a72a65310b566403d535ac8566ab7735
SHA1e1500669de28b5f155fcb35dbc2e725cb831635a
SHA2566b5519e699e9812c591f8e28702f46777e6f3617dffffe9d3552970abe656480
SHA51283eb7c9feca0c5b71dc01dd1a06e949ee6b17c7c547d8926440681b23f2fef22bcc5f8138a99abd3a19bef007e032f15b8b8014189b8d36cd824042b5976c7e4
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Filesize
28KB
MD5dcff9d04cd403f6a3b64019d166309a7
SHA1b77504942877512119dce532d13ad78a09ef47a7
SHA25630e86bfdc2a3e100ffe687db28fd1ad6c3d6a37ad7a5194f9ce7f59fcd9888fc
SHA512f15c25f4b5b5508d392593eaa71a4d6d4d0f86444952391708503c4a888a17f95e1ce2723610e61a4cbf4c08185c0c872b02359bcab87d0836962857b2e5adc2
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Filesize
1KB
MD536be0294561f523c00c94892e4de3700
SHA1e6a968b3decca302c5c78053fa65d57668225bc5
SHA25666ba7c8e40c9b69f435d8bca7f133958e71b0d34bda975f5e51a94a490f3baf5
SHA51252b304f1dc2a730fc8726ba3d9127bdbc8de2efe81121d7d8856e9892c8276c70dd6139e3be53f671a748cc1d16f8dbe7bbfc3f994cf39d17d26282b10a65ee0
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Filesize
1KB
MD590892354060f44e2570738db1b7d5158
SHA18f619dd4657992f8f052f0b1dfcd59c3c0cb6754
SHA2569273160aaf53a133f5d5dc7887e1a9f97a6fe50b2f78aa3b3722410c54648e3d
SHA512eb591c6911a12108dc996685073712950e8da38a0b2fdf3f9beca3abae30e0a01f31aad847b17f74cfff9ab59b25b170165548bd2419fd238fff580a7a8043b8
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Filesize
1KB
MD5d94dccc989d9d54d4c2e9d6388eab8bb
SHA1d5d316fee96b3e52a2d957165947b9135a8ee547
SHA2564fbe03c398080622cb5fbbc32bf15927f10650e6197014e563fd2a4c636a5e75
SHA5129d0ee5c7b2b480ea28f56b764baefb328c0385371f3a15c58e08774cbaa65aceb60b323f53e7c0c02ea43c70f25237a17ffd43d77858669251e3ab76d594766d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2