Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2024 04:23
Behavioral task
behavioral1
Sample
e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe
Resource
win10v2004-20241007-en
General
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Target
e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe
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Size
29KB
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MD5
fe36d9cbcd19cad225e80bc16b260200
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SHA1
1b3c251d415e2e7d35a40c6c944594e57ff74001
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SHA256
e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150f
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SHA512
24494ab05ed1d712e590f30929ff0a28aeea7e5aba419afce75997ebfe4449d8a368a45449efb4be5974404f92bba6be75b3b11591ec776992778a6f7dc91105
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Sf:AEwVs+0jNDY1qi/qaf
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/3152-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3152-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3152-117-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3152-141-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3152-150-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3636 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" e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3152-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3636-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000b000000023ba4-4.dat upx behavioral2/memory/3152-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3636-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3636-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3636-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3636-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3636-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3636-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3636-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3636-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3152-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3636-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021f4b-55.dat upx behavioral2/memory/3152-117-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3636-118-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3152-141-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3636-142-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3636-146-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3152-150-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe File opened for modification C:\Windows\java.exe e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe File created C:\Windows\java.exe e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.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 e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3152 wrote to memory of 3636 3152 e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe 83 PID 3152 wrote to memory of 3636 3152 e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe 83 PID 3152 wrote to memory of 3636 3152 e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe"C:\Users\Admin\AppData\Local\Temp\e33be2990147f4b7bab4f3368cc62b8e5402fe239d3a5a97894533243b72150fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3152 -
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:3636
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD517cfe76c6292ad5dc57d901dadff7740
SHA16c92a8dcb3f6c6f28d6f4e5f2e149e8241ec8b1c
SHA25685da559d00d19a743e7135dc273ac91a5b39a7c14d57aa897d2aed23a6a6ea7f
SHA512e5e4f044fef5439947186789e98868b5c7eb2183ff51a4bc7532734dd0ae2d818682d213367853e0d1c9682519395f02a5227e353ed2f3111d46b721bffe122d
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Filesize
352B
MD5be6832f88c06c6d3f26bfb59cc100ed3
SHA1e9b3fa11b6affdab7f78b731de1ad32ab62a5e86
SHA25641540e3b4710c6132dc7642c506742783da6e6e8471ed50b5c9ffd6898129f47
SHA512536c1ba28b3ac20d2e291eb2137856d0dd8e6875dd9fc3600c400ec6d75cfd1442606ae4c086bc965a0c2e8db2a67aa0eec848429d050942c59203dfcfc6a7a1
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Filesize
352B
MD5443e6eb030dcf0e654c8575548c37b0f
SHA12584f155cc2feaaba7b5414cc66940073815cf1a
SHA256e1cd96734ebe77633d47bb61355d020a303797418bb1098e9acb68b2160c8035
SHA5124a9ae7f47127578aa6349602cec48f68f07149882ee3fe608c402e4931476d68390cd75171da12cc0de6f973c5b61c865f44fb3445df00a9263ef0917ab51366
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2