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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/10/2024, 05:18
Behavioral task
behavioral1
Sample
c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe
Resource
win10v2004-20241007-en
General
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Target
c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe
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Size
29KB
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MD5
7ccc18c2590c8bc58d6faaba31a55dcb
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SHA1
f9e443892188dd4cb7614f58cc10e368bcdd88f5
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SHA256
c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d
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SHA512
0938b5360a9a7bfbe532d8dff01a890c71e885807143565465a0dd18f43137bcdd50cc9750e1edac8fc8eb581d94a92ad8d47c261e4ef4376fa491cfc2346081
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/9:AEwVs+0jNDY1qi/qV
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2968-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2968-58-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2968-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2968-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2968-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2852 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" c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2968-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2968-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000700000001878d-8.dat upx behavioral1/memory/2968-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2852-17-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-23-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-35-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-47-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2852-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-58-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2852-59-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x003d000000018662-64.dat upx behavioral1/memory/2968-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2852-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2852-79-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2968-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2852-84-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe File opened for modification C:\Windows\java.exe c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe File created C:\Windows\java.exe c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.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 c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2968 wrote to memory of 2852 2968 c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe 30 PID 2968 wrote to memory of 2852 2968 c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe 30 PID 2968 wrote to memory of 2852 2968 c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe 30 PID 2968 wrote to memory of 2852 2968 c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe"C:\Users\Admin\AppData\Local\Temp\c55af0cdd189dd3dcb34bb6b22235c8ef56fb90b9550cab289b11255e038737d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968 -
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:2852
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5de4e7f5181e4edcd9bfbc74e7a28627d
SHA1f772aa8829ba2cb0dc47270fd31f9f85bcbf9db1
SHA256516d55e96ac41e9f32acafd43879249e960faad7234c7acad73e70e1aafce1e0
SHA5120caa58ca80b9b016113847baee5cccab97011a2e323b7428b4924a98c53b59e8b7c585ff86d09d56862cc5e2029786456041b4eb0d832a00b504621c368b2b9d
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Filesize
320B
MD5d971bd453a97d84ad8bffa572cf0b8e5
SHA146de8ff0f3cc73f898675e73260ea7f2fb5fa774
SHA25681d1c91ff794eff4f2d71990c34573cfa0bf8170a2cfbfbfbc342761f75a350c
SHA512b4e76eacd8d4b68fd7ad6d163ef3cb18f0e050b05f90155e8cce79908f52af156ba3564890888e7aa36a631540a4ee82484509b10e17aa1936079385727385a5
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Filesize
352B
MD54150c3b87ae23784ffbbcf78192bfaeb
SHA11b099912cb3ca1b74e198b77b9049f615c5a4458
SHA256af3c9e360220f27fc7b7d7359093a26ed6c1b58b90f528b3dcef04e78c4199c8
SHA51244b058d565d1c951cc9aa53512ec6943f5ba9097f0a00c5954f203f6254bb41df66cc22bce4bc64dd76168c88d9fc7758a9fed3ddac6bfbe84c2313de6a4e0ef
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2