Analysis
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max time kernel
91s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24/12/2022, 06:31
Static task
static1
Behavioral task
behavioral1
Sample
259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe
Resource
win10v2004-20221111-en
General
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Target
259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe
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Size
250KB
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MD5
b4a97d88cfffc4297243eb8cd788eb43
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SHA1
3ba3316fbf6a98d790404a8d4146bb976c7edf19
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SHA256
259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4
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SHA512
888af002f9cfb503fb7a7bb96464dfb5667122661e820ea7657c3d19df0bd8ee9c7a2473971cfe9a1ff89cb05b5aef36a27c26b6c1d2740d0a2ccbc67274c7c3
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SSDEEP
6144:4S2Pzdiift/xdCN5WiBbE0MMNCGDckVaWHxTPdSIDwC5jutrD:j2rHtJdQPdM3GAwzTIIDwC9utrD
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 3 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0007000000022e13-135.dat acprotect behavioral2/files/0x0007000000022e13-136.dat acprotect behavioral2/files/0x0007000000022e13-137.dat acprotect -
Executes dropped EXE 1 IoCs
pid Process 3916 Au_.exe -
resource yara_rule behavioral2/files/0x0007000000022e13-135.dat upx behavioral2/files/0x0007000000022e13-136.dat upx behavioral2/files/0x0007000000022e13-137.dat upx behavioral2/memory/3916-141-0x0000000074620000-0x00000000746B7000-memory.dmp upx -
Loads dropped DLL 4 IoCs
pid Process 3916 Au_.exe 3916 Au_.exe 3916 Au_.exe 3916 Au_.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4296 wrote to memory of 3916 4296 259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe 79 PID 4296 wrote to memory of 3916 4296 259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe 79 PID 4296 wrote to memory of 3916 4296 259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe"C:\Users\Admin\AppData\Local\Temp\259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4296 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3916
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
181KB
MD5327880d7f4a76ac165918770f8476a78
SHA1cc6907b073e172419903173beddbc12d9ca7ca6a
SHA256c2422772b5b1afb18e8e1633f4b2dd3229f4c361c6560d0b9e35e13968cc3f23
SHA51281f4382d43d89285d5827d1cefe619b154a05d8199072dbf40dae033bb7ab460858e62d6a9b691f5dc5fd52f7d2989cee0d7b1a4ca5fadb0cde8c27e9834ac19
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Filesize
181KB
MD5327880d7f4a76ac165918770f8476a78
SHA1cc6907b073e172419903173beddbc12d9ca7ca6a
SHA256c2422772b5b1afb18e8e1633f4b2dd3229f4c361c6560d0b9e35e13968cc3f23
SHA51281f4382d43d89285d5827d1cefe619b154a05d8199072dbf40dae033bb7ab460858e62d6a9b691f5dc5fd52f7d2989cee0d7b1a4ca5fadb0cde8c27e9834ac19
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Filesize
181KB
MD5327880d7f4a76ac165918770f8476a78
SHA1cc6907b073e172419903173beddbc12d9ca7ca6a
SHA256c2422772b5b1afb18e8e1633f4b2dd3229f4c361c6560d0b9e35e13968cc3f23
SHA51281f4382d43d89285d5827d1cefe619b154a05d8199072dbf40dae033bb7ab460858e62d6a9b691f5dc5fd52f7d2989cee0d7b1a4ca5fadb0cde8c27e9834ac19
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Filesize
9KB
MD52aba8f16eca82517460013a3de7cbf67
SHA13812192fa7b873f426c4b0d0d822b3c9d51aa164
SHA25660b85fad2477b8c0138067be3697290b280b9334cf408cb57894e3baae615d0d
SHA5124e059f70ef420c22d69199557ff3eab9e51fcefc75d220b057f1508f9566cd6251f9e06a8fe3695bf7d913ebabd2519ce52f485f2de9a5e4ab3ebc553b877fb0
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Filesize
250KB
MD5b4a97d88cfffc4297243eb8cd788eb43
SHA13ba3316fbf6a98d790404a8d4146bb976c7edf19
SHA256259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4
SHA512888af002f9cfb503fb7a7bb96464dfb5667122661e820ea7657c3d19df0bd8ee9c7a2473971cfe9a1ff89cb05b5aef36a27c26b6c1d2740d0a2ccbc67274c7c3
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Filesize
250KB
MD5b4a97d88cfffc4297243eb8cd788eb43
SHA13ba3316fbf6a98d790404a8d4146bb976c7edf19
SHA256259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4
SHA512888af002f9cfb503fb7a7bb96464dfb5667122661e820ea7657c3d19df0bd8ee9c7a2473971cfe9a1ff89cb05b5aef36a27c26b6c1d2740d0a2ccbc67274c7c3