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
26-12-2024 18:38
Behavioral task
behavioral1
Sample
57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe
Resource
win10v2004-20241007-en
General
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Target
57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe
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Size
29KB
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MD5
19988715d14bdd55d62976540d12304e
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SHA1
e1e32d259c2c9abd1355db01b4c24446deb5a9d7
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SHA256
57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9
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SHA512
a74446cbe4e358b28ef7d361f860d2991a7b6670b150a004f89a5c4fc09877b34a6ccc4697012aa69a0c47de2694f1b541701f3e0d8b361b6f703ae6fe8f0f54
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Phd:AEwVs+0jNDY1qi/qHH
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2524-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2524-35-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2524-40-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2524-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2524-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2524-65-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2524-67-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2524-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2392 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" 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2524-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2524-3-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016d18-7.dat upx behavioral1/memory/2392-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2392-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-35-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-40-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0004000000004ed7-46.dat upx behavioral1/memory/2392-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-65-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-67-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2392-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2524-72-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe File created C:\Windows\java.exe 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe File created C:\Windows\services.exe 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.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 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2524 wrote to memory of 2392 2524 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe 30 PID 2524 wrote to memory of 2392 2524 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe 30 PID 2524 wrote to memory of 2392 2524 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe 30 PID 2524 wrote to memory of 2392 2524 57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe"C:\Users\Admin\AppData\Local\Temp\57c79348160c37e5bea32868749717f544a1f48f099bd0c1568498d7920d58b9.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524 -
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:2392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5a9e9c4831ee2030c4f488437e232957f
SHA1b8b44b7556cbcaf5bd99523bee2f9766b3700ba8
SHA256fdc6d1d69cfe8baa697740c5cb72b7a890f6bdac42648c019e3251d6d4b84835
SHA512c3d69d4c74f7843207d66438c41c8f580bc7afe3d9a4bca70113796bb51e215068965adddf69a44416d2102f7777eca8107eea8a4a82bce2323657784fd59a89
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Filesize
320B
MD57299796d5f6b037a17881f8f233ee49f
SHA1f3afc289a07414e744ee334b419e5bf04b692fcf
SHA2561638bcda3aac8b76514ae1aed60a65ecb5a01ffc8982c4f277fbb47a5f211d95
SHA512793eb756b66b407ac41dbe1b5aaa04b2d31727d68ffb0d25845cade8155114a2602088d530ee8da6a87ca73152ad5f6f33e486b5032a2b298bc6cdf3b6bc87ef
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2