Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
31-12-2024 09:24
Behavioral task
behavioral1
Sample
37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe
Resource
win10v2004-20241007-en
General
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Target
37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe
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Size
29KB
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MD5
cf2e27ca99b7dc85e1ba4b6488ea9a00
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SHA1
1d6ffa78e978bac6a10f2cd2c1e7b0bafc35d941
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SHA256
37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acff
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SHA512
7e900c639bb33cef0488fbcc8ed5cc26f9e95883dc0d82a37ce16a49b03687d59dbee8f2351e9b0a9503543de29a3c4a1507b36ee269f83f64efe4ad442ad73f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/r:AEwVs+0jNDY1qi/qT
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/1956-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1956-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1956-42-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1956-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1956-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1956-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2600 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" 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1956-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1956-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016875-7.dat upx behavioral1/memory/2600-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1956-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2600-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2600-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2600-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2600-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2600-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2600-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1956-42-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2600-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2600-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-58.dat upx behavioral1/memory/1956-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2600-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1956-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2600-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1956-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2600-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2600-78-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe File opened for modification C:\Windows\java.exe 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe File created C:\Windows\java.exe 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.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 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1956 wrote to memory of 2600 1956 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe 30 PID 1956 wrote to memory of 2600 1956 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe 30 PID 1956 wrote to memory of 2600 1956 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe 30 PID 1956 wrote to memory of 2600 1956 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe"C:\Users\Admin\AppData\Local\Temp\37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956 -
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:2600
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
320B
MD532f8808e68ae37550f19ab8dc5c46305
SHA16832f0e7973bc218547c455016f93b8f0fced272
SHA256b8b4c0a2fe1a566dbeeced3234f7996ffae44825678a2f1ee5f250d4766bd007
SHA5128b30ab597a03542f0f7d195f528ae16956f2c74f7eba53a5b9af034fa1095d40029d740f12d84404b6c6d8f365a6ef4e927fae58ea4ebfecc64b589131a51d3b
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Filesize
29KB
MD5384cba56c8544c45ca24659ebc1a4a46
SHA1c4ba70a9846ad1a92c1a06c87d427641e45d0605
SHA2562a056767fc8eeee62b09c6289f31b567361c8fa2f820c118c2d3ca8fb5a2b4d5
SHA512eb711b4f47738a1dd99c3b050f0162c8f685255afd004f54957b8a546cb597bdfb3255f620c7da7607ef37befd44acd468cf007c4455f6e6627a0fddbd17a0c7
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Filesize
352B
MD5a512b6906a1a620e96d2ed074084023e
SHA145cb31336f247996d9378f4e16d815c7998a2f98
SHA256650e3e4082dd2d356d5c4d20ce92563c8c706d945b0599d37c34ec59f0c07ced
SHA5122e2bd94acbca7cbd777750d9ce4db2d874d4f4b42a186cfa1d9ea1bad9ebd6cc1b2d8a9cba16a4673773dadb36a25e934e969eeddec8a7f140f2c4a391d33a97
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2