Analysis
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max time kernel
119s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
15/07/2024, 04:43
Static task
static1
Behavioral task
behavioral1
Sample
83bd4c82f7196a7face917002254a380N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
83bd4c82f7196a7face917002254a380N.exe
Resource
win10v2004-20240709-en
General
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Target
83bd4c82f7196a7face917002254a380N.exe
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Size
464KB
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MD5
83bd4c82f7196a7face917002254a380
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SHA1
f209e7c66df4d5d633ea9680747f8e9633760ac4
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SHA256
f1711fbc603919114f65736e3579f9a05ee0c1edede8e92cdac3fa5bb82d379a
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SHA512
437eaf5c9568cec9cf5c868b7b8ff145684d654a1f1ca4f8da4956a3125cc4370c78b757f098ac29c15f0e99862bfa00e1b406eba8afaaf1dcc16a63460d790b
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SSDEEP
6144:CHkWcDpi78KSrafqV5areuyFwBqgmGNGXN/O8OCLV0wbmztvchDVmKQQWLpYzLtF:CHlc87eqqV5e+wBV6O+tYtEVmKnWNY
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3548 fontdVol.exe 1844 icsu_isv.exe 940 ~7EA6.tmp -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\labell32 = "C:\\Users\\Admin\\AppData\\Roaming\\RdpSkill\\fontdVol.exe" 83bd4c82f7196a7face917002254a380N.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\icsu_isv.exe 83bd4c82f7196a7face917002254a380N.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3548 fontdVol.exe 3548 fontdVol.exe 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE 3424 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3548 fontdVol.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3424 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3976 wrote to memory of 3548 3976 83bd4c82f7196a7face917002254a380N.exe 88 PID 3976 wrote to memory of 3548 3976 83bd4c82f7196a7face917002254a380N.exe 88 PID 3976 wrote to memory of 3548 3976 83bd4c82f7196a7face917002254a380N.exe 88 PID 3548 wrote to memory of 940 3548 fontdVol.exe 90 PID 3548 wrote to memory of 940 3548 fontdVol.exe 90 PID 940 wrote to memory of 3424 940 ~7EA6.tmp 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:3424 -
C:\Users\Admin\AppData\Local\Temp\83bd4c82f7196a7face917002254a380N.exe"C:\Users\Admin\AppData\Local\Temp\83bd4c82f7196a7face917002254a380N.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Users\Admin\AppData\Roaming\RdpSkill\fontdVol.exe"C:\Users\Admin\AppData\Roaming\RdpSkill"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Users\Admin\AppData\Local\Temp\~7EA6.tmp3424 475656 3548 14⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:940
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C:\Windows\SysWOW64\icsu_isv.exeC:\Windows\SysWOW64\icsu_isv.exe -s1⤵
- Executes dropped EXE
PID:1844
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD586dc243576cf5c7445451af37631eea9
SHA199a81c47c4c02f32c0ab456bfa23c306c7a09bf9
SHA25625d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a
SHA512c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4
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Filesize
464KB
MD529f23a11f3dea2e939240db959934acf
SHA1670321bcf1d378a0bc06a4587c9470a1ef7fc467
SHA256a610ef1f2fabf80303adf6de02afe71894381002da12bae993f00a8b581fadc4
SHA512dfa2e71b7626414eb1f22407ad9f445be5031d2ce77e78388a55fb8095415b34f27997c1d8acddc61b9d87d86265bc0ec3b6824614efef94b89e40d091c86e47