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
07-12-2024 04:29
Behavioral task
behavioral1
Sample
b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe
Resource
win10v2004-20241007-en
General
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Target
b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe
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Size
29KB
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MD5
c40497148a4cc5599bc79c339e7978e0
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SHA1
7e42a39669a1b1276f885d349fda7e9a2e61c308
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SHA256
b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddcc
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SHA512
91811f6c709f63ce52d1df3b59993bc7f7978c5124b0b63c544ba7529c6c7172c6c7a65d0bb58934421973e54afc004630ba538c5dade324b12998a767fc8c6f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/q:AEwVs+0jNDY1qi/qC
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/3020-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3020-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3020-113-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3020-159-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3020-161-0x0000000000500000-0x0000000000510200-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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe -
resource yara_rule behavioral2/memory/3020-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cad-4.dat upx behavioral2/memory/1168-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3020-13-0x0000000000500000-0x0000000000510200-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/1168-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3020-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000021ed4-56.dat upx behavioral2/memory/3020-113-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-114-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3020-159-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3020-161-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1168-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1168-167-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe File opened for modification C:\Windows\java.exe b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe File created C:\Windows\java.exe b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.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 b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3020 wrote to memory of 1168 3020 b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe 85 PID 3020 wrote to memory of 1168 3020 b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe 85 PID 3020 wrote to memory of 1168 3020 b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe"C:\Users\Admin\AppData\Local\Temp\b0ac138d74be41c6d0d387f3279e153f123d92133c3258c4466188fd9c26ddccN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020 -
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
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5627897d6d572c221e8058a4033f4d1b9
SHA113ad60bedc4dbe0cd7fc296328f8b7075f309ee3
SHA2568ca26ff15f0bcf998fd2ba6d97eb08c7129f2f132dc278d194c3ce4b318f4978
SHA512cbe0bbe0b85f39ecab5f45a7e73b908b4b65394adef2e748ad47c81ca19d2361152199d746b26f15f301fa3f50c110a5f88bb1148c32e2c576298d41a6eec262
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Filesize
352B
MD50f7eae42b58df7cd50b8d59ff0a284f2
SHA16aab1dcd57d169faa00f310387d361bace273f5d
SHA256e3263206cb7c4523938d04be9f64a660113c7aa9afdde98193e3efa284dc37af
SHA5124b8bde448b7eeaa703a79c6ebf44b0720e536e27e1a3f5542178ece532094019f3e6211e9941e971eb1b2d3b79cfc518d5da71d0f81edf553c0e15229f41b7bf
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2