Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 14:34
Behavioral task
behavioral1
Sample
5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe
Resource
win10v2004-20241007-en
General
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Target
5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe
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Size
29KB
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MD5
3da20805c6332d1cc852df58b0e43780
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SHA1
0a1e003ff827b54a64b91a4e5ffc780fff9ec61d
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SHA256
5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a
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SHA512
5af112e1257689c2a6114bab0b1b896b2b1ae27397a6fa10d87e2dacf0cfb95505b87c3c07de2c8931743587ccfe5423ee0422a36e37032877e4fa863a5be33b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/3hf:AEwVs+0jNDY1qi/qPt
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2396-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2396-30-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2396-35-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2396-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2396-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2396-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1680 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" 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2396-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2396-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000800000001925c-7.dat upx behavioral1/memory/2396-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1680-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1680-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1680-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1680-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-30-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1680-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-35-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1680-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-41.dat upx behavioral1/memory/2396-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1680-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1680-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1680-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1680-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1680-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1680-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe File opened for modification C:\Windows\java.exe 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe File created C:\Windows\java.exe 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.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 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2396 wrote to memory of 1680 2396 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe 30 PID 2396 wrote to memory of 1680 2396 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe 30 PID 2396 wrote to memory of 1680 2396 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe 30 PID 2396 wrote to memory of 1680 2396 5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe"C:\Users\Admin\AppData\Local\Temp\5f904682a4323af298593ccc73c38bfcad570818873a407ebd1941613b2e534a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396 -
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:1680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD55bb8fbd9ea68daf95e0b9b9324d10ac2
SHA11e45ee37939d6ec51da7f419efd9b40bbe593d1e
SHA256b612e7a0fec56ad18296d0996ab36cd74509df0ab33cee6c7cd471cc13c0d6fa
SHA51279c5660a100135e9c6551726d7b982cd69947c3a03e150bf794741a75a1274be0ce6a3e1e77b1b999c4fea8ab05f3b6d66d97976204e65cec8b20fabc54ba42c
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Filesize
320B
MD54661ae44c621e8fa96475a679ba3ea63
SHA181aa1ce602c13115939b28e7205357e503d446c7
SHA256e5bc81eaf46e01344b95a67d9de02fdf35ca1b3a38181080e7bd14b11dce17cc
SHA5121ae33465214aee46029bf5087186c14247ed4557eec6dd09590ab5da81cacee3d86363b79d6c338fc44703f1e5e08c9135d725bcb5553bd6a9b7e394a79bd0a2
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Filesize
320B
MD5cf1f57f4bff4e3d22a3edaaca18d6610
SHA1f3a1e2386bede644305d1a085c613f6eeaa08411
SHA256519d575c99cc6add06fbf9a5753f91444e0f20a599561a9f6c25bc32b0806600
SHA5123cd9a6d24c1a65db2ad9ca5e3dc4fc2666205410e0c0b1a15635a689825b4cb863989ef0901b8f4c6028a18ec33b857ed43ff313c96efc4405eb927ab73481b8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2