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
09-01-2025 04:43
Behavioral task
behavioral1
Sample
e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe
Resource
win10v2004-20241007-en
General
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Target
e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe
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Size
29KB
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MD5
398511056da2548ed911141e05c61175
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SHA1
487b168deb54c471cf48088342df83174755a3da
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SHA256
e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99
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SHA512
d2a88db66b47dcab0d87ba2cbd4dc091af3db35ab31a6b00ae8bc1ed821864d2dd3d007b14f5afaf6492339c01c4c0cca3b2768ec7151b6f03354e385c03e81d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Nhg:AEwVs+0jNDY1qi/q1i
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4940-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4940-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4940-118-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4940-166-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4940-170-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4940-177-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1168 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" e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4940-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cad-4.dat upx behavioral2/memory/1168-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4940-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1168-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1168-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1168-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1168-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1168-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4940-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021ed4-51.dat upx behavioral2/memory/4940-118-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-119-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4940-166-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-167-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4940-170-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-171-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1168-173-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4940-177-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-178-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe File opened for modification C:\Windows\java.exe e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe File created C:\Windows\java.exe e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.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 e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4940 wrote to memory of 1168 4940 e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe 85 PID 4940 wrote to memory of 1168 4940 e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe 85 PID 4940 wrote to memory of 1168 4940 e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe"C:\Users\Admin\AppData\Local\Temp\e81d3ea041f808b9b8e7bb358701258766e572873a10cf6a9b1d3bb26fdc7a99.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4940 -
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:1168
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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
MD5dc652beb46186301e001dfc95c5c4f22
SHA16ecd1e12ee2c1a5b5415510036536b23021b27f7
SHA2560d7409790b16786e9ff9c89f1aa5324c85676f6cb6af3ab24f8bd895e795b1cd
SHA512abfd444dc191acb49f65071eb8d0d46551a8dc471cbd90e2854568d7947949e46065d8731bcd42f1133f165fde9430b23ed0eaddef1b2fd9ff0292503a7b5d68
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Filesize
29KB
MD5e093ccfcf716f724173d95645fb06396
SHA1eee42c255a7044bfc172eab2454daaf273b20fda
SHA256d0cb64d745814afa955928b6bac61f702953b99d5979c131477161c7dbebbe71
SHA5125d671c89b270a8cc6500422fd43fa574c3c7d313c047175ae2df73361f3b86015d34a8709990b0873117d26b81b4cfc487cff53348be188db0bc5c7d4c29755e
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Filesize
320B
MD543a71bbe8c3bef0bdee2ab0994c4d89e
SHA1ea09987c091c4ae114d8599bcb66aab1a9f241e2
SHA256155a50af1abaf55b3db805950ba79ad5c6d8573664eb719a27e7f085e01e1a72
SHA5129c665ef678177ecf0580144621fea63606948c55d1f707e1bda25880de8c4aef9571970311c423d212bb4f0d56e37c3a3c3678c9df97acb9076a0578bd8bcf5b
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Filesize
320B
MD5472cde89172c8603c8571c9170c58cb2
SHA1da79397cc7536073d85369d314472c96f25be109
SHA2562741e4e23555fc80d34a035684adf8eb6fbc8ce7c85aa212d441bc1ec95b0ad9
SHA5121bcb259d570ffd7f8912afbf39398ddd36b438823d5d0fe0604d4a32fe9394a6066843610f4148b82663a04e6b4b2baf4c413a887cc365e390cdef7e8823ce80
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Filesize
320B
MD5d54c7a46bd9f762070f211b7fd64db38
SHA18625244e34ba415eaf6af4c89621db16f1d826da
SHA256e92075be83275684b6070603f45591cb1c7b20111ad9c9ef216db2d05bc7c93a
SHA512d5694c5fe01e64555bb33491c47ff53f225b6b59a2653e50b49740a1a56b03efdd77b3dca62ed5cf021c9e0616537a4d8e227e79b7827953d7f789ab1b858118
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2