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
13-01-2025 13:21
Behavioral task
behavioral1
Sample
b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe
Resource
win10v2004-20241007-en
General
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Target
b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe
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Size
29KB
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MD5
995f855079c852feb6d554f19a82f752
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SHA1
0eee0951ac60944f6b1606efcbfd7305167a7eeb
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SHA256
b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f
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SHA512
8fadc15c4636aea4799eecf8285387433d22f73dcb5c52dfbeeec8fd6efe8bc2de6460baacfd8d38e89a1a40545ae2f2e4d05157f3da753255ff865a917468ef
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Dh9:AEwVs+0jNDY1qi/qbn
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4368-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4368-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4368-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4368-148-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4368-174-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4092 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" b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4368-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0009000000023bc7-4.dat upx behavioral2/memory/4092-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4368-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4092-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4092-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4092-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4092-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4092-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4092-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4092-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4092-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4368-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4092-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4368-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4092-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-60.dat upx behavioral2/memory/4368-148-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4092-149-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4368-174-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4092-175-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe File created C:\Windows\services.exe b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe File opened for modification C:\Windows\java.exe b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.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 b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4368 wrote to memory of 4092 4368 b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe 82 PID 4368 wrote to memory of 4092 4368 b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe 82 PID 4368 wrote to memory of 4092 4368 b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe"C:\Users\Admin\AppData\Local\Temp\b532a94a9ce127ea2b348561ea7ea14f5e51c3adcc496ed17a7b08ff8978876f.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4368 -
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:4092
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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
MD579d1fd3f0af97528199e2346d6563846
SHA15726ade55cfa88a26218d8e53c07bb0759491720
SHA256ad6be55351f6fcb197d6396f343377d27903d1778f93745fbae6b9e3c52c1e4d
SHA512787a0837586ba0f8f11db6314307ebefa4d14f73f93cf53eccdf4d0a18bb6d91214ef98d683f24ab9493c0467174b38e6980486e247caf3e94619e0e2cb83845
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Filesize
320B
MD5cf6e06cf1ea586575e220159b1af302a
SHA1525ad4716f5d2660f49be392834c00c787092ead
SHA256cc4e3fbf3dbfd9061086346fe7915b1a12ae032079a01c460ce8542edafe3ab3
SHA512d7f750966974f206b2bb59a6f420f6b33363dcaa7d96131fb8a6e9ec86fb2f17ed2e6592156406d45d39e3b0cc836175aa706db76f087e6b17346a441d37dcd6
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2