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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
25/11/2024, 01:19
Behavioral task
behavioral1
Sample
f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe
Resource
win10v2004-20241007-en
General
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Target
f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe
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Size
29KB
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MD5
b42fb3794ad6f3b896d88f4ce9611820
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SHA1
964b90cd1854ac77747f44217ae545bb32e78201
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SHA256
f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9
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SHA512
06290da27544716b1fbb5f610695b7d4b09ac33ab2e0e2b36bc858c7cd26029ec108a2c7ddaf3d13a09893c12daff3a7d08f2466f2a30900fdc0b9e89ff262cd
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/J:AEwVs+0jNDY1qi/qh
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2116-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2116-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2116-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2116-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2116-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 788 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" f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2116-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2116-3-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016ab9-7.dat upx behavioral1/memory/788-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/788-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/788-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/788-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/788-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/788-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/788-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/788-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/788-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/788-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0005000000004ed7-59.dat upx behavioral1/memory/2116-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/788-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/788-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2116-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/788-77-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe File opened for modification C:\Windows\java.exe f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe File created C:\Windows\java.exe f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.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 f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2116 wrote to memory of 788 2116 f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe 30 PID 2116 wrote to memory of 788 2116 f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe 30 PID 2116 wrote to memory of 788 2116 f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe 30 PID 2116 wrote to memory of 788 2116 f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe"C:\Users\Admin\AppData\Local\Temp\f6e3ea02e6058d589958d56153a5b1ca8bc36d95a4c8f277397a4ee65fa7d8b9N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116 -
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:788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5177c82dd836a0214c60ac9e516d56c03
SHA12eb5cebb983e2b68ef664d8a60f9a3970a5242be
SHA256325a943ae74c8fd270e3babfe1a73eac2d83205d8890822c5a847abf47d73fe8
SHA5125c840eef17e97e4aa2e849c7e898f29dfeea5dd9e8b4e9787a65b9b7a2e6d6ed34c10c0b70ad1bf9d468d5698833a582d59e5a83711150c70df4dc19a03e6f35
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Filesize
320B
MD5a48edffe6ebb33820b548d169d8bf4d9
SHA1b9dabd0bd5991f0e5402a214bd7d0b71047e295f
SHA256b472d6322ae3b589cced0ed0362d13dc1eee665c1429ff954104af21664abf37
SHA51223d8b6b98593b5e7799980419106086f88a508f9aa77bd4ef713eb25b381d2cab3042f179e937467ef6e651613146909be04ac3460d928784bf786798d4367d5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2