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Analysis
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max time kernel
94s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2024, 18:01
Static task
static1
Behavioral task
behavioral1
Sample
0731d232d0af12a5320238914de6bf4a.exe
Resource
win7-20241010-en
General
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Target
0731d232d0af12a5320238914de6bf4a.exe
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Size
412KB
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MD5
0731d232d0af12a5320238914de6bf4a
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SHA1
41b1d57292fa942352373e587a638011893649ab
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SHA256
adc6b85fbb55624cdd9a25d9634f08d3991ac60dce86c8f3ed520a88e36371fe
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SHA512
a1af80997ce12df93cd17be40f78cfaced5fda36e1a601819e7e0790fa1efba13c2f818d45f83290707e3ac8e1fc54fea7f2d6a17640e83da5ba816ee629a436
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SSDEEP
6144:y+YH9d/Ucs7XgCbXTFm2HTMFyowl07iLC0Ga2wdyRwIfjc6YRjd66Al:y5HUcaX5Lxm2atlf0Ga2NRwI7YJbAl
Malware Config
Extracted
asyncrat
AWS | RxR
EXE JDIDD
5sdf23d2sdf.ddnss.eu:6606
5sdf23d2sdf.ddnss.eu:7707
5sdf23d2sdf.ddnss.eu:8808
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Asyncrat family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 0731d232d0af12a5320238914de6bf4a.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 0731d232d0af12a5320238914de6bf4a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\0731d232d0af12a5320238914de6bf4a.exe = "0" 0731d232d0af12a5320238914de6bf4a.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2540 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 0731d232d0af12a5320238914de6bf4a.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 0731d232d0af12a5320238914de6bf4a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions 0731d232d0af12a5320238914de6bf4a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\0731d232d0af12a5320238914de6bf4a.exe = "0" 0731d232d0af12a5320238914de6bf4a.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 0731d232d0af12a5320238914de6bf4a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 0731d232d0af12a5320238914de6bf4a.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4980 set thread context of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2540 powershell.exe 2540 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2540 powershell.exe Token: SeDebugPrivilege 3528 regasm.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 4980 wrote to memory of 2540 4980 0731d232d0af12a5320238914de6bf4a.exe 83 PID 4980 wrote to memory of 2540 4980 0731d232d0af12a5320238914de6bf4a.exe 83 PID 4980 wrote to memory of 4752 4980 0731d232d0af12a5320238914de6bf4a.exe 84 PID 4980 wrote to memory of 4752 4980 0731d232d0af12a5320238914de6bf4a.exe 84 PID 4980 wrote to memory of 4752 4980 0731d232d0af12a5320238914de6bf4a.exe 84 PID 4980 wrote to memory of 3616 4980 0731d232d0af12a5320238914de6bf4a.exe 86 PID 4980 wrote to memory of 3616 4980 0731d232d0af12a5320238914de6bf4a.exe 86 PID 4980 wrote to memory of 3616 4980 0731d232d0af12a5320238914de6bf4a.exe 86 PID 4980 wrote to memory of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 PID 4980 wrote to memory of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 PID 4980 wrote to memory of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 PID 4980 wrote to memory of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 PID 4980 wrote to memory of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 PID 4980 wrote to memory of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 PID 4980 wrote to memory of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 PID 4980 wrote to memory of 3528 4980 0731d232d0af12a5320238914de6bf4a.exe 87 PID 4980 wrote to memory of 3524 4980 0731d232d0af12a5320238914de6bf4a.exe 88 PID 4980 wrote to memory of 3524 4980 0731d232d0af12a5320238914de6bf4a.exe 88 PID 4980 wrote to memory of 3524 4980 0731d232d0af12a5320238914de6bf4a.exe 88 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 0731d232d0af12a5320238914de6bf4a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0731d232d0af12a5320238914de6bf4a.exe"C:\Users\Admin\AppData\Local\Temp\0731d232d0af12a5320238914de6bf4a.exe"1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4980 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0731d232d0af12a5320238914de6bf4a.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2540
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵PID:4752
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"2⤵PID:3616
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3528
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵PID:3524
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82