Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2024, 21:45
Static task
static1
Behavioral task
behavioral1
Sample
a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe
Resource
win10v2004-20240226-en
General
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Target
a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe
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Size
464KB
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MD5
a21887e781c5b963eecae21be7ece948
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SHA1
cd534842757e0dcb753517d09319a38f92684e55
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SHA256
a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b
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SHA512
a375adb81d1a0d5adcd3fbfafb8cd04ea1259b9c902af6f9ef5213de783c84affa1d5019acafa9cdfe846e70ebc8e82f96808e0425c202f7d9c4d0fe78dcd42d
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SSDEEP
12288:ALlc87eqqV5e+wBV6O+FLdQWb+l2S+fb5jXzv:ALSqqHeVBxOnil2RfbJ
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1128 getmsync.exe 1480 ~53DD.tmp 2488 agenPING.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Certdown = "C:\\Users\\Admin\\AppData\\Roaming\\bitsuirt\\getmsync.exe" a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\agenPING.exe a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1128 getmsync.exe 1128 getmsync.exe 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE 3404 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1128 getmsync.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3404 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3528 wrote to memory of 1128 3528 a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe 91 PID 3528 wrote to memory of 1128 3528 a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe 91 PID 3528 wrote to memory of 1128 3528 a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe 91 PID 1128 wrote to memory of 1480 1128 getmsync.exe 93 PID 1128 wrote to memory of 1480 1128 getmsync.exe 93 PID 1480 wrote to memory of 3404 1480 ~53DD.tmp 57
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:3404 -
C:\Users\Admin\AppData\Local\Temp\a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe"C:\Users\Admin\AppData\Local\Temp\a5ad67954b6d2849763e4c23303403f895f07b3f7a67e3d175aa386a5e2f2a0b.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Users\Admin\AppData\Roaming\bitsuirt\getmsync.exe"C:\Users\Admin\AppData\Roaming\bitsuirt"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Users\Admin\AppData\Local\Temp\~53DD.tmp3404 475144 1128 14⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1480
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C:\Windows\SysWOW64\agenPING.exeC:\Windows\SysWOW64\agenPING.exe -s1⤵
- Executes dropped EXE
PID:2488
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
MD522ba8e93aed6833d561ad483fa9674e9
SHA11cc86c8efd699522ee9c5600ef6220286e3edf8d
SHA256df1d4168bc22cefc04b8773c52681825718d9e1b68692ace3a519dc7d40dd5e6
SHA512343141dd5dfad8b1bb35935d1232e893b86556eeac581df9cc13900d05a65adf8ed621c8c2850935cbbd933577d4f83e0be8214e651ee161a7365885202f4007