Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-12-2024 11:51
Behavioral task
behavioral1
Sample
2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe
Resource
win10v2004-20241007-en
General
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Target
2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe
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Size
29KB
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MD5
d402994088a1a5e19a5b0858f09bfb50
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SHA1
cda245108448c4b0ec1ff9345b0cbfad9b0eb6d2
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SHA256
2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1
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SHA512
48b307c10f6979ecf4d218226e5f91f5b0062eaa46d2bb683fcb99e93a539b41f5f7bf82cca29bbd638d9b0c536e30c1ecdafede11fc41332ade9beb72884561
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/wS:AEwVs+0jNDY1qi/qn
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2316-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2316-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1812 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" 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2316-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2316-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00080000000161f6-7.dat upx behavioral1/memory/1812-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2316-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1812-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2316-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1812-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016855-71.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe File opened for modification C:\Windows\java.exe 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe File created C:\Windows\java.exe 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.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 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2316 wrote to memory of 1812 2316 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe 30 PID 2316 wrote to memory of 1812 2316 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe 30 PID 2316 wrote to memory of 1812 2316 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe 30 PID 2316 wrote to memory of 1812 2316 2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe"C:\Users\Admin\AppData\Local\Temp\2bf7bca6165f88adb39fe14a9fe033682dab666be4266021a88f64757ef609a1N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316 -
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:1812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5d3aa127406023e8c758f25c47aca956a
SHA13fcd206ba136ae321b960c133d6b3e3046a01736
SHA2566cfde63967739dea1c732860c15d5470423197e72b0210b48ad2c3110812956f
SHA512117ac0b3d3a0e05effcecc6982a2f77304bb810a371d58e0c47acc287ab4f865a4e3cc4b7ec81d5fd253471cc8e8344895e16379147314e84fac20cdc5ed8704
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Filesize
352B
MD5c790e78de24a9cd57590e20c67dcfdd6
SHA1b4a8bd87af8a81936aa807bda1e2a2e5e1c2fab2
SHA2566fbdaad424361d07166ff2f864ced138cd11b1591e6c56e2d1775d32c9216ba0
SHA512ac193b34f6618d220b7d231babdcfd92a75dd5166fd35f1ed9e5a996f8386ef660877d611b05bf4df9e2c5016b384536444672404cfe2f4e9132b90470f08d21
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2