Analysis
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max time kernel
114s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18/08/2024, 11:49
Behavioral task
behavioral1
Sample
42c7bd1fa6cd872dcddfee0223c58720N.dll
Resource
win7-20240705-en
6 signatures
120 seconds
General
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Target
42c7bd1fa6cd872dcddfee0223c58720N.dll
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Size
76KB
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MD5
42c7bd1fa6cd872dcddfee0223c58720
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SHA1
7671f71fbd8d94fa6f80fb71f26004dd8eaad1fb
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SHA256
bb43ab4efdc568377e8c21af005fadecdbdfea7a35cffc2a868a20b4349612aa
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SHA512
119175b3af24577d56a8b4064882242287078e5e708f3f372302a07bba9a5bab06f1f6ce8fd7d8fadb2822e6b2c60f0d84acc603aa71ed73836c93270a01c7f6
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZaGrRF:c8y93KQjy7G55riF1cMo03bF
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4740-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4740-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2388 4740 WerFault.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4740 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2368 wrote to memory of 4740 2368 rundll32.exe 91 PID 2368 wrote to memory of 4740 2368 rundll32.exe 91 PID 2368 wrote to memory of 4740 2368 rundll32.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\42c7bd1fa6cd872dcddfee0223c58720N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\42c7bd1fa6cd872dcddfee0223c58720N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4740 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 7123⤵
- Program crash
PID:2388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4740 -ip 47401⤵PID:3788
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4340,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:81⤵PID:4916