Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
27/08/2026, 16:04
General
- Target 107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.exe
- Size 7.6MB
- Sample260827-thy36abk3s
- SHA256 107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e
- MD5 bab80b993cc939773e5acc9d692c7774
- SHA1 675226987f11cc44497c4a1f5b862fe6a6ba961a
- SHA512 cfbee5ce1c3c044064507d0af61924eb1429ef934f4154b549d258c1a0c73a69dc7e45e6f49af16c35a3b005cbe15b6fdec65c98535edaf384663e77b1db9f06
- SSDEEP 196608:sDaAN5cb50fxkaH5a0aWhH4DvJJQHm/dIaTFxnWL:s+K5c9ako5SvJmHVqm
- TLSH T1C58633824192F7B1E53682B12C957B41EC73FC0324B688CCE99961CA6EBB3475B4DB25
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 2620 107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.tmp 5660 audioutilities33714.exe - Loads dropped DLL 1 IoCs
pid Process 2620 107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.tmp - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 22 IoCs
pid pid_target Process procid_target 5772 5660 WerFault.exe 87 5816 5660 WerFault.exe 87 5856 5660 WerFault.exe 87 6004 5660 WerFault.exe 87 4824 5660 WerFault.exe 87 3716 5660 WerFault.exe 87 1204 5660 WerFault.exe 87 440 5660 WerFault.exe 87 3484 5660 WerFault.exe 87 2708 5660 WerFault.exe 87 1504 5660 WerFault.exe 87 5156 5660 WerFault.exe 87 4088 5660 WerFault.exe 87 2568 5660 WerFault.exe 87 3632 5660 WerFault.exe 87 4784 5660 WerFault.exe 87 760 5660 WerFault.exe 87 1764 5660 WerFault.exe 87 5280 5660 WerFault.exe 87 4628 5660 WerFault.exe 87 3480 5660 WerFault.exe 87 1928 5660 WerFault.exe 87 - System Location Discovery: System Language Discovery 1 TTPs 3 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 audioutilities33714.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral1/memory/4996-1-0x0000000000400000-0x0000000000414000-memory.dmp innosetup behavioral1/memory/4996-53-0x0000000000400000-0x0000000000414000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5660 audioutilities33714.exe 5660 audioutilities33714.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4996 wrote to memory of 2620 4996 107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.exe 85 PID 2620 wrote to memory of 5660 2620 107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.tmp 87
Processes
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C:\Users\Admin\AppData\Local\Temp\107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.exe"C:\Users\Admin\AppData\Local\Temp\107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Users\Admin\AppData\Local\Temp\is-QNB8T.tmp\107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.tmp"C:\Users\Admin\AppData\Local\Temp\is-QNB8T.tmp\107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.tmp" /SL5="$50254,7713638,54272,C:\Users\Admin\AppData\Local\Temp\107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Users\Admin\AppData\Local\Audio Utilities 5.11.3.3714\audioutilities33714.exe"C:\Users\Admin\AppData\Local\Audio Utilities 5.11.3.3714\audioutilities33714.exe" ce09f4aba446e09147806049b13219b13⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5660 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 8684⤵
- Program crash
PID:5772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 8764⤵
- Program crash
PID:5816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 8844⤵
- Program crash
PID:5856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 9084⤵
- Program crash
PID:6004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 11484⤵
- Program crash
PID:4824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 11564⤵
- Program crash
PID:3716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 12764⤵
- Program crash
PID:1204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 12844⤵
- Program crash
PID:440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 11564⤵
- Program crash
PID:3484
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 12804⤵
- Program crash
PID:2708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 13444⤵
- Program crash
PID:1504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 13484⤵
- Program crash
PID:5156
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 14204⤵
- Program crash
PID:4088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 13404⤵
- Program crash
PID:2568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 11764⤵
- Program crash
PID:3632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 11684⤵
- Program crash
PID:4784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 10644⤵
- Program crash
PID:760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 14924⤵
- Program crash
PID:1764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 12644⤵
- Program crash
PID:5280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 10484⤵
- Program crash
PID:4628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 14124⤵
- Program crash
PID:3480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5660 -s 15044⤵
- Program crash
PID:1928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5660 -ip 56601⤵PID:5940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5660 -ip 56601⤵PID:5844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5660 -ip 56601⤵PID:5824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5660 -ip 56601⤵PID:5892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5660 -ip 56601⤵PID:1152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5660 -ip 56601⤵PID:4528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5660 -ip 56601⤵PID:5124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5660 -ip 56601⤵PID:5108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5660 -ip 56601⤵PID:3208
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5660 -ip 56601⤵PID:912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5660 -ip 56601⤵PID:2160
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5660 -ip 56601⤵PID:3420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 5660 -ip 56601⤵PID:3236
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5660 -ip 56601⤵PID:3004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5660 -ip 56601⤵PID:1596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5660 -ip 56601⤵PID:4548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5660 -ip 56601⤵PID:4480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 5660 -ip 56601⤵PID:3404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5660 -ip 56601⤵PID:4864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 5660 -ip 56601⤵PID:4492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5660 -ip 56601⤵PID:5292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5660 -ip 56601⤵PID:1848
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Audio Utilities 5.11.3.3714\audioutilities33714.exe
- Size 3.6MB
- SHA256 4f899a0f3178fe6d40713a083f5f691c9c262c6bbb354d9c168d1c234e8ee3bf
- MD5 4d7e6f24eacf87c5a6afef838bea8593
- SHA1 88ac1132fff00aaf57b03f445805f4b6745577a3
- SHA512 e2a407d9dc001560c7e4787f7bc823cf0ee745002d50cd007e79ffce07d517a73d49d546b054a75cf06fed9d93ca572c3448194d778c42ccdcf41566682f3a9f
- SSDEEP 49152:aoAyr7C/EVFXBV2D3T+/SRXodJQqVhcgjqLsA9ERbd4tRNnL5Ld1viTsBrlnFjy0:a3UrpGS/4EBQsRbdWRNL5+6rlnFjtz
- TLSH T1BE06F1616307A1DFD49704F8F8338E4F85281FA24726CAF7D99C782E9A329C235B5B15
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-HHFUM.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- TLSH T11051CE835239A462C41A37B426E7E509B35B467643CE4FE33590230EF8876F80C35D90
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-QNB8T.tmp\107e2026c89f59586ef25f9977be30f662d56f4137b29a0e9621d48bacea287e.tmp
- Size 683KB
- SHA256 2342ea9cdcd0e045a2ee7c8db9fb8cd1072365419a23087b5b2e9c101434fa55
- MD5 2ef71939660e4ea2f55b1bbaebd6933a
- SHA1 57095b1176f2f058d92d8265c6228f4408b4f796
- SHA512 f5e3e5c86624583398ac53a9c51a7a67d9961e7276d3dfef8a0dda88837df3097baeb3779137b21c3cce9a3ecc60b6fac0637a60e22d22617ef781d727598fe8
- SSDEEP 12288:p0QfKb+GlrPj37VzHEA6Yd2qKvJ4wyyrNQIRZCGkKKch/bcXExy4:BfKb+GlrPj37VzHEA6B3vDaCCGk+/bcQ
- TLSH T1A3E47C32F2A0D837D1731F789D1B82955836BE103E38A5A776E81F4C4F79681792B2D2
- MD5 SHA1 SHA512 SSDEEP TLSH