Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
26-12-2024 22:28
Behavioral task
behavioral1
Sample
56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe
Resource
win10v2004-20241007-en
General
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Target
56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe
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Size
29KB
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MD5
da89e79ae23600c72bb72fb42b50d34a
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SHA1
fc941e3e1b7c96744f6a3ad0c35b9d6c1daa6138
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SHA256
56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e
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SHA512
f422f21654c693b397310f4a67fba15d318264f15ac4ead53c1934a20c2425b18ed30ae577dcf8d351b1b43da43187d20f58a25d83a441df9ef2de6e9fa03ec9
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/GhD:AEwVs+0jNDY1qi/qeR
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2064-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2064-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2064-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2064-84-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2064-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2064-91-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1860 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" 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2064-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2064-4-0x00000000002A0000-0x00000000002A8000-memory.dmp upx behavioral1/files/0x00070000000186f1-7.dat upx behavioral1/memory/1860-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1860-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1860-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1860-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000018739-71.dat upx behavioral1/memory/2064-84-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1860-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-86-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1860-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2064-91-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1860-92-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe File opened for modification C:\Windows\java.exe 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe File created C:\Windows\java.exe 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.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 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2064 wrote to memory of 1860 2064 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe 30 PID 2064 wrote to memory of 1860 2064 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe 30 PID 2064 wrote to memory of 1860 2064 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe 30 PID 2064 wrote to memory of 1860 2064 56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe"C:\Users\Admin\AppData\Local\Temp\56a5ca4135c2b5182777b3fbf807b4b10af7038dbc243a243898eca59400a62e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064 -
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:1860
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD537ebb955085462037d0a8fd8cac29cc7
SHA1a0329046eb5f752250908ff197e560ef64ac1d28
SHA25664e11b96ce954126089d4592f57b85d27a265003224a9249b25f49ad14ff6545
SHA51268d1f37539ea656d4de0bd16cdb4eeefe06a4ee7b7830781fdb8123505de5b1cbd37787dbb818b30fa90fb222cf117df3d2b2fa574d3dfb513dad096b25c37cf
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Filesize
320B
MD57358cadf2fd6dea0a88c3b65f5f6fc15
SHA1284c28ef8432f911acb8329640d0b5f14e0bc358
SHA25634d45d713c8aab66982d7bc640703d0312d3701fe1261db568b5177f7a54de93
SHA512701961f37cdc0293340f4b6c22f138147beaac796978849d8998224dfde8269b485d75888283fa11c93ae0e5c5c1e31ec12931c366ff71fddbb4db521e439ff0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2