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Analysis
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max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
11/11/2024, 11:57
Behavioral task
behavioral1
Sample
e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe
Resource
win10v2004-20241007-en
General
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Target
e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe
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Size
29KB
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MD5
7d58db029e3fbf827af93600a55da0c0
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SHA1
9dfb0db17ab2c279fb588cc1c3edad42ce2f94c7
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SHA256
e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92
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SHA512
c129bd8a01efb87610b0fb09e3111b98f43e55a60727da1f160c13cc71335f330a75385fdfd08b64466ab7be70ef0ceb5d0e8d24d3c54dd071b065c417f9323e
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/s:AEwVs+0jNDY1qi/qE
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/860-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/860-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/860-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 324 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" e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/860-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/860-3-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000b000000016c1a-8.dat upx behavioral1/memory/324-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/860-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/324-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/324-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/860-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/860-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/324-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016cd8-74.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe File opened for modification C:\Windows\java.exe e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe File created C:\Windows\java.exe e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.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 e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 860 wrote to memory of 324 860 e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe 30 PID 860 wrote to memory of 324 860 e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe 30 PID 860 wrote to memory of 324 860 e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe 30 PID 860 wrote to memory of 324 860 e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe"C:\Users\Admin\AppData\Local\Temp\e4aa29f2170294758725bc263f76401b63a15bc50a8b88052514b300727e4f92N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:860 -
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:324
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD55424cde832ff01fd7c2924cea7ecb7c3
SHA199b296067eee1d6dd77e0df74fc680e8de7d0f4c
SHA2568a2919ca29b0e144bc95887b37880562596a93e6bb2e487be72192a0133507cb
SHA51258e369f4e1bd15c8749a954094eee53720da1088e124740d8f044d9897fa59e377506a5f79d7ade4539e28cfb0e860875a418b5b5d3fb1606f8f424ba6fc7f1e
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Filesize
320B
MD5bf813c4aa29846c4a80f4e714c432d5d
SHA156c46a20f5381f4449600eea6d7e0a0fcaca6076
SHA256526e640a9ec23f3a4f0a8af4433cff1f934ea719070cde95d5b688a0bdd41aa5
SHA5121c9c7ec4831e2fdaa494f13bd7f5394ac17623f44bb1922aba36e25ac8822ec04564bb349368742cf82dab139e605e28d20d805129876f1b16233bac3ea0e760
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2