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Analysis
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max time kernel
149s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29/05/2024, 00:18
Static task
static1
Behavioral task
behavioral1
Sample
98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe
Resource
win10v2004-20240508-en
General
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Target
98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe
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Size
234KB
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MD5
1f88f1bce5e1d74b30f89808880fb4d6
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SHA1
40bd02e6f8b5b82576ea652552c85f32aaeedd7a
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SHA256
98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c
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SHA512
524abb3523c4f8f16d1156d415404ead694a551ec82d12105145e0542a94cea6741a9e4b47a56bb41f5710692ae81682e2192e7890b6b0f40c584b572c90c56c
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SSDEEP
6144:/eIcZPAjQN79B8aDT2SCguONhWV9NgHd6Z:/erZPAm74g/dNhQG
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 5112 provinit.exe 4580 dialpart.exe 4388 ~5AF1.tmp -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fltMshta = "C:\\Users\\Admin\\AppData\\Roaming\\grpcywiz\\provinit.exe" 98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\dialpart.exe 98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5112 provinit.exe 5112 provinit.exe 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE 3480 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 5112 provinit.exe Token: SeShutdownPrivilege 3480 Explorer.EXE Token: SeCreatePagefilePrivilege 3480 Explorer.EXE Token: SeShutdownPrivilege 3480 Explorer.EXE Token: SeCreatePagefilePrivilege 3480 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3480 Explorer.EXE 3480 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3480 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1516 wrote to memory of 5112 1516 98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe 85 PID 1516 wrote to memory of 5112 1516 98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe 85 PID 1516 wrote to memory of 5112 1516 98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe 85 PID 5112 wrote to memory of 4388 5112 provinit.exe 87 PID 5112 wrote to memory of 4388 5112 provinit.exe 87 PID 4388 wrote to memory of 3480 4388 ~5AF1.tmp 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3480 -
C:\Users\Admin\AppData\Local\Temp\98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe"C:\Users\Admin\AppData\Local\Temp\98aff4f56a9dc4336459d1ab6d25a8e6948de10f6e117d820cffc3ae1764652c.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Users\Admin\AppData\Roaming\grpcywiz\provinit.exe"C:\Users\Admin\AppData\Roaming\grpcywiz"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Users\Admin\AppData\Local\Temp\~5AF1.tmp3480 239624 5112 14⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4388
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C:\Windows\SysWOW64\dialpart.exeC:\Windows\SysWOW64\dialpart.exe -s1⤵
- Executes dropped EXE
PID:4580
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
234KB
MD5a21630069ad090ba51c87d613d05a1ca
SHA15cb171eba6f1226178f5adc22aaab45aa7710f4b
SHA256b2d47ecf8d027b0c866d99f4cb2dcc4023ebdd9796c4bdb3a3e52388d7fffb9a
SHA512375908abd7b8a44eaf4d2375e01eea03cbfad61ed7a3155eb92b887069ab8a6cee2afaaaae3a30574a8fb78055ad5a5fd2a978524bcd485ecea7f0dd929b1ecc