Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:54
Static task
static1
Behavioral task
behavioral1
Sample
752501dcf3fb2da30771709d786d1bf1.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
752501dcf3fb2da30771709d786d1bf1.exe
Resource
win10v2004-20231215-en
General
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Target
752501dcf3fb2da30771709d786d1bf1.exe
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Size
195KB
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MD5
752501dcf3fb2da30771709d786d1bf1
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SHA1
92d352e23f0695307ff42fe32c0cc6939f11a7aa
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SHA256
8e5d78774044ceba3066a0214ea16f1718f5489b8d4a8a53984b925072c7fa16
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SHA512
cb18a13a0e2ac6d4cf8250fc306ed288f765212028ac5e93732b4c3ba300874bf81ce672f3cf392a12662161a197c5da83487239a9051abf4a311420942eb6a3
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SSDEEP
6144:zX88dBeX5oci4bz/uSxd+8ncml+8EbPqN:DBdBy5cEvQ8EbP2
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
Processes:
Explorer.EXEpid process 3540 Explorer.EXE -
Registers COM server for autorun 1 TTPs 3 IoCs
Processes:
752501dcf3fb2da30771709d786d1bf1.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 752501dcf3fb2da30771709d786d1bf1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 752501dcf3fb2da30771709d786d1bf1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3336304223-2978740688-3645194410-1000\\$0c836f54c97f1b30d0f5166444f0e3a2\\n." 752501dcf3fb2da30771709d786d1bf1.exe -
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 -
Modifies registry class 5 IoCs
Processes:
752501dcf3fb2da30771709d786d1bf1.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} 752501dcf3fb2da30771709d786d1bf1.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 752501dcf3fb2da30771709d786d1bf1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 752501dcf3fb2da30771709d786d1bf1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3336304223-2978740688-3645194410-1000\\$0c836f54c97f1b30d0f5166444f0e3a2\\n." 752501dcf3fb2da30771709d786d1bf1.exe Key created \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000_Classes\clsid 752501dcf3fb2da30771709d786d1bf1.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
752501dcf3fb2da30771709d786d1bf1.exeExplorer.EXEpid process 3584 752501dcf3fb2da30771709d786d1bf1.exe 3584 752501dcf3fb2da30771709d786d1bf1.exe 3584 752501dcf3fb2da30771709d786d1bf1.exe 3584 752501dcf3fb2da30771709d786d1bf1.exe 3584 752501dcf3fb2da30771709d786d1bf1.exe 3584 752501dcf3fb2da30771709d786d1bf1.exe 3584 752501dcf3fb2da30771709d786d1bf1.exe 3584 752501dcf3fb2da30771709d786d1bf1.exe 3540 Explorer.EXE 3540 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
752501dcf3fb2da30771709d786d1bf1.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 3584 752501dcf3fb2da30771709d786d1bf1.exe Token: SeDebugPrivilege 3584 752501dcf3fb2da30771709d786d1bf1.exe Token: SeDebugPrivilege 3584 752501dcf3fb2da30771709d786d1bf1.exe Token: SeDebugPrivilege 3540 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
Explorer.EXEpid process 3540 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
752501dcf3fb2da30771709d786d1bf1.exedescription pid process target process PID 3584 wrote to memory of 3540 3584 752501dcf3fb2da30771709d786d1bf1.exe Explorer.EXE PID 3584 wrote to memory of 3540 3584 752501dcf3fb2da30771709d786d1bf1.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3540 -
C:\Users\Admin\AppData\Local\Temp\752501dcf3fb2da30771709d786d1bf1.exe"C:\Users\Admin\AppData\Local\Temp\752501dcf3fb2da30771709d786d1bf1.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2