Analysis
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max time kernel
151s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
30/12/2023, 02:03
Static task
static1
Behavioral task
behavioral1
Sample
0b04effb568f5aa8b85e19c19033f5f6.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
0b04effb568f5aa8b85e19c19033f5f6.exe
Resource
win10v2004-20231215-en
General
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Target
0b04effb568f5aa8b85e19c19033f5f6.exe
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Size
466KB
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MD5
0b04effb568f5aa8b85e19c19033f5f6
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SHA1
70a66fdb5e88becd5c93e154c6388d5de92fcc41
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SHA256
448cd0fee889c5fe4a0fc20351eb033b345bb0e557d22251cca2cf881d2ce885
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SHA512
22481999a5b07161240b03fb5826297b0dedb26260a52d15f634521a153d5dda1106c34cf18192f27d57591b8c4736f61311a5b267ea20e6610600d7885eb532
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SSDEEP
12288:gBSKHQxVQdLWIPwuZS3+mGExxGetNtTirdKozH5:g4QsI4uAOexxG+TEdKc
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2760 SYSTEM.ini -
Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 0b04effb568f5aa8b85e19c19033f5f6.exe File opened for modification \??\PhysicalDrive0 SYSTEM.ini -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat SYSTEM.ini -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.ini 0b04effb568f5aa8b85e19c19033f5f6.exe File created C:\Windows\SYSTEM.ini 0b04effb568f5aa8b85e19c19033f5f6.exe -
Modifies data under HKEY_USERS 28 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 SYSTEM.ini Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D015D2FA-44C1-4AB5-B740-15774B55567F}\52-0e-10-bb-4b-f0 SYSTEM.ini Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-0e-10-bb-4b-f0\WpadDecisionTime = e09aa4b9b93bda01 SYSTEM.ini Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings SYSTEM.ini Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D015D2FA-44C1-4AB5-B740-15774B55567F}\WpadNetworkName = "Network 3" SYSTEM.ini Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad SYSTEM.ini Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D015D2FA-44C1-4AB5-B740-15774B55567F}\WpadDecisionReason = "1" SYSTEM.ini Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D015D2FA-44C1-4AB5-B740-15774B55567F}\WpadDecision = "0" SYSTEM.ini Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" SYSTEM.ini Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D015D2FA-44C1-4AB5-B740-15774B55567F}\WpadDecisionTime = a0456fedb93bda01 SYSTEM.ini Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-0e-10-bb-4b-f0\WpadDecisionTime = a0456fedb93bda01 SYSTEM.ini Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections SYSTEM.ini Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 SYSTEM.ini Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" SYSTEM.ini Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-0e-10-bb-4b-f0\WpadDecision = "0" SYSTEM.ini Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" SYSTEM.ini Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-0e-10-bb-4b-f0 SYSTEM.ini Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix SYSTEM.ini Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 SYSTEM.ini Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D015D2FA-44C1-4AB5-B740-15774B55567F} SYSTEM.ini Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ SYSTEM.ini Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" SYSTEM.ini Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-0e-10-bb-4b-f0\WpadDecisionReason = "1" SYSTEM.ini Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D015D2FA-44C1-4AB5-B740-15774B55567F}\WpadDecisionTime = e09aa4b9b93bda01 SYSTEM.ini Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" SYSTEM.ini Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 SYSTEM.ini Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings SYSTEM.ini Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-0e-10-bb-4b-f0\WpadDetectedUrl SYSTEM.ini -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3056 0b04effb568f5aa8b85e19c19033f5f6.exe Token: SeDebugPrivilege 2760 SYSTEM.ini -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2760 SYSTEM.ini -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2760 wrote to memory of 520 2760 SYSTEM.ini 29 PID 2760 wrote to memory of 520 2760 SYSTEM.ini 29 PID 2760 wrote to memory of 520 2760 SYSTEM.ini 29 PID 2760 wrote to memory of 520 2760 SYSTEM.ini 29
Processes
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C:\Users\Admin\AppData\Local\Temp\0b04effb568f5aa8b85e19c19033f5f6.exe"C:\Users\Admin\AppData\Local\Temp\0b04effb568f5aa8b85e19c19033f5f6.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3056
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C:\Windows\SYSTEM.iniC:\Windows\SYSTEM.ini1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"2⤵PID:520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
466KB
MD50b04effb568f5aa8b85e19c19033f5f6
SHA170a66fdb5e88becd5c93e154c6388d5de92fcc41
SHA256448cd0fee889c5fe4a0fc20351eb033b345bb0e557d22251cca2cf881d2ce885
SHA51222481999a5b07161240b03fb5826297b0dedb26260a52d15f634521a153d5dda1106c34cf18192f27d57591b8c4736f61311a5b267ea20e6610600d7885eb532