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
10-12-2024 15:25
Behavioral task
behavioral1
Sample
a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe
Resource
win10v2004-20241007-en
General
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Target
a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe
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Size
29KB
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MD5
e4a3bbd34ad37ccfd7fceda73c2b644f
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SHA1
b7ed426e1fd21ff06156c4c21453004faa7de826
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SHA256
a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877
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SHA512
d1e0d947b9134fecd75176118d16573b74a9f1d1c6f1a294c283f6cdf86fb809d2cb414e70cb4a870a07bd9f3560e064333b5493703d4246efc316d761f5d227
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/uhg:AEwVs+0jNDY1qi/qWi
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral2/memory/3756-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3756-27-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3756-101-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3756-121-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3756-123-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3756-133-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3756-149-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3756-153-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 5116 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" a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3756-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b86-4.dat upx behavioral2/memory/5116-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3756-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5116-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5116-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5116-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5116-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3756-27-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5116-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000a000000023bc1-44.dat upx behavioral2/memory/3756-101-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5116-102-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3756-121-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5116-122-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3756-123-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5116-124-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5116-129-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3756-133-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5116-134-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3756-149-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5116-150-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3756-153-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5116-154-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe File opened for modification C:\Windows\java.exe a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe File created C:\Windows\java.exe a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.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 a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3756 wrote to memory of 5116 3756 a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe 82 PID 3756 wrote to memory of 5116 3756 a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe 82 PID 3756 wrote to memory of 5116 3756 a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe"C:\Users\Admin\AppData\Local\Temp\a0b31455299deccef9d5d47453da020092f5f5847409f975d8fcb50ed6915877.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3756 -
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:5116
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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
MD537b941e914ef5f3776480c120be9b74d
SHA1d689b286ed22881193258b49cbca4ce39426def6
SHA2565bfe61f4013386be587a477d924e47929429f387c1a2b6e1f0ba1c0688ef10b1
SHA512a4cc99fc0396c6f231707df96b4f7f26060ca0ae1e181b66754331dbb70823449c91c1b5010facf1f096a3259270d5e5a1b440e8e3ea75faa0005a659e272fc6
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Filesize
320B
MD5fa876feb0c55d02b306ade41c621f23f
SHA105ed2d29ab84c3a781202e0d742dbbc834d49daf
SHA256b8ff3402c6a53cf28de0e3245d1ab19c5bb5339f483f6aa95cbf6d44d4a70bf6
SHA51219747602ae39f4647390fe7e1d1426d33f32f69edfadc07ff44090e88219cc2fc5e6a88c67b6a4634734917a72c187a958f411e2974855b70bb122f66045a000
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Filesize
320B
MD59cdccdcbe8c85f8c06bb7f0a230e570a
SHA1a3e663b2af19f03ff9336ce6178a3745fe984ee5
SHA256e9c6f253bed104b0c31b761339bc575a3fdd2dab76bd797ecd13ccb98fe2695d
SHA51235d024ba572ca4750d8aeb665d87cffdfcfe809efd2567b218ab359bc57bf4ece909a231329e3827c6385da6ef8b853783da0589a2fb8927c5857bf1f8762237
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Filesize
320B
MD55b05b7fc5cbb081e43b3f6649f03a53d
SHA1c833ce584b092a46297c819f9021db80785e3e1a
SHA25666460a96d82c3218f9ea601d56ed683afd9d2de4aaf3f141083b0ea825d07e89
SHA51274f0e7375f3461d829ebf1613ac913c1e522efe4f365253b4d7138f51b5477d24cf9e789707e4fdef1d655719dab158f5731a343d6f1e76bb80b07bad7e7d3d6
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2