Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
29-12-2023 23:46
Static task
static1
Behavioral task
behavioral1
Sample
076fa6228ce85eab763a4955b02523d1.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
076fa6228ce85eab763a4955b02523d1.exe
Resource
win10v2004-20231222-en
General
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Target
076fa6228ce85eab763a4955b02523d1.exe
-
Size
568KB
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MD5
076fa6228ce85eab763a4955b02523d1
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SHA1
466d18538ba6d6fbd49c5824b79e3f8ab6322722
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SHA256
9ffc9032a1b4f78a2f6f5436b0b23250a3fc8474ce4c14f6ec3622e476467481
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SHA512
ede94375af9ff0e038a07e8ac404fe7dd50fd02e1b7fc5121f3f45452e65198c07be2e912d5125c594088ca61dd5d81c081a9a75e8b995a8b33f1fee80c1c0a8
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SSDEEP
12288:MLry/neyx7f/A64j7P+tixhRx9DJ6c6zpk45a9VJSRRJ:qKeyxTAJj7P+yjPJMk2GJyJ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2732 tkcfeckzj.exe -
Loads dropped DLL 1 IoCs
pid Process 2536 076fa6228ce85eab763a4955b02523d1.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\oyrs\tkcfeckzj.exe 076fa6228ce85eab763a4955b02523d1.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2536 wrote to memory of 2732 2536 076fa6228ce85eab763a4955b02523d1.exe 16 PID 2536 wrote to memory of 2732 2536 076fa6228ce85eab763a4955b02523d1.exe 16 PID 2536 wrote to memory of 2732 2536 076fa6228ce85eab763a4955b02523d1.exe 16 PID 2536 wrote to memory of 2732 2536 076fa6228ce85eab763a4955b02523d1.exe 16
Processes
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C:\Users\Admin\AppData\Local\Temp\076fa6228ce85eab763a4955b02523d1.exe"C:\Users\Admin\AppData\Local\Temp\076fa6228ce85eab763a4955b02523d1.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Program Files (x86)\oyrs\tkcfeckzj.exe"C:\Program Files (x86)\oyrs\tkcfeckzj.exe"2⤵
- Executes dropped EXE
PID:2732
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
590KB
MD580f8744dba866dec49eb25aaffe24166
SHA1a8d811bf42f636ced958805567134e53b7426ba7
SHA25699b32b6fdfc7447b182157f50f97199bbac071bd8aefbf44c2ecc07ad44458e9
SHA5129bd05273d5a32e0937d338054d3a4cdbe1000cbc1c0275bb0e64fa03dac00c276f657564edbf1edb23a1e72955d77cde71155bae42c2a25d8b7d57f2de46ebb3