Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
05/10/2024, 12:52
Behavioral task
behavioral1
Sample
b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe
Resource
win7-20240903-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe
Resource
win10v2004-20240802-en
8 signatures
150 seconds
General
- Target b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe
- Size 29KB
- Sample241005-p37tkstbqm
- SHA256 b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0
- MD5 e1772cb0e270e52e7d500a3b78840ba0
- SHA1 88fe2727e7970d14e20a4ff7b133b59271f93ede
- SHA512 34911982559eaa6d61d042c6a4a2cdbe7b771bda54048212d050dcdc99384f61b9352e04e682ec06b95e6798ac75bbf93a5f4b970b5ee6af8212eb8ceffa81ff
- SSDEEP 768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Y3d:AEwVs+0jNDY1qi/qQ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1740-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-130-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-177-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-181-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom - Executes dropped EXE 1 IoCs
pid Process 452 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" b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1740-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/452-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0008000000023464-4.dat upx behavioral2/memory/1740-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/452-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1740-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/452-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-67.dat upx behavioral2/memory/1740-130-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/452-140-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1740-177-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/452-178-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1740-181-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/452-182-0x0000000000400000-0x0000000000408000-memory.dmp upx - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe File opened for modification C:\Windows\java.exe b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe File created C:\Windows\java.exe b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.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 b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1740 wrote to memory of 452 1740 b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe 82 PID 1740 wrote to memory of 452 1740 b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe 82 PID 1740 wrote to memory of 452 1740 b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe"C:\Users\Admin\AppData\Local\Temp\b71a690c165f11983e40f95ed00e794b49a7a58984bcb1d373150cf075e363d0N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740 -
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:452
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NUB8HZ4Z\search[2].htm
- Size 25B
- SHA256 6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
- MD5 8ba61a16b71609a08bfa35bc213fce49
- SHA1 8374dddcc6b2ede14b0ea00a5870a11b57ced33f
- SHA512 5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp56A4.tmp
- Size 29KB
- SHA256 15a5cf6413ee98023f769e919865833ed5b0580b67e161f3764341046581d850
- MD5 ce182ed8db23077763242a5212a6a16a
- SHA1 6dd53310563b518cdcc0da3a81fbaef353f9de36
- SHA512 833b25839ceb1fbab7ec5f3f75d2f8aa7e2c0fc52934fdb44d3db93ca61e57c4edc5aafed0ad104cdae63e5abe5de018844e25dc8ad96ff92455e9b21f32f804
- SSDEEP 768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/hV:AEwVs+0jNDY1qi/qv
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\zincite.log
- Size 352B
- SHA256 25f9f7592092bcf90c71414c52f5571cbe723a819680099d21a554a10e64b714
- MD5 b583328d93622c80b51d6b236b312691
- SHA1 4b8297acaca3d8cc55edd47d3f8d865150b36127
- SHA512 ec7071b79348a4955211b7caee9057e20922c025a321e24a21429afade4d2860bba3635a758df779efe9c150d8a62374f75aa8516d5efc685866a181f86dc41a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\zincite.log
- Size 352B
- SHA256 2294bc74b66b61e01ce32359a8f0d5829783375f90a41e189f7d5e03d8d9f58d
- MD5 40f16f7702d4c944ef23d7d99b61b0fd
- SHA1 ffe9f826fe729f93252b9325276ffa96c43b2218
- SHA512 15fbe235a1917f75106171543cea7e7ef42183f3739d5d410cf466f6bb473abb45b2bb22727f5ebbfa028282dd773a06af65fce9959c5b594f406137dd34b13f
- MD5 SHA1 SHA512
- Path C:\Windows\services.exe
- Size 8KB
- SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
- MD5 b0fe74719b1b647e2056641931907f4a
- SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
- SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2
- SSDEEP 192:tZWNqWKIzebvOZnzCj6juhEJS3/Uf/tpfmG62X9f3:tZ6qWTYvczfahX/UHtF6e9f3
- MD5 SHA1 SHA512 SSDEEP