Analysis
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max time kernel
150s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
16-11-2023 11:12
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.593bb06e8c19e547b971df37c49943e0.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.593bb06e8c19e547b971df37c49943e0.exe
Resource
win10v2004-20231025-en
General
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Target
NEAS.593bb06e8c19e547b971df37c49943e0.exe
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Size
3.1MB
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MD5
593bb06e8c19e547b971df37c49943e0
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SHA1
73a95343a1fffb84f9798305c10d9457c477e584
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SHA256
de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf
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SHA512
bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c
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SSDEEP
49152:ZUuBTOjZwS1Ihk+hy7iHuaRZnt+NTNLiG975:ZXRO0hkr2Rxt+ew
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe, cmd.exe /c start c:\\windows\\wininit.exe" wininit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe, cmd.exe /c start c:\\windows\\wininit.exe" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" wininit.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wininit.exe Set value (int) \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" NEAS.593bb06e8c19e547b971df37c49943e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" NEAS.593bb06e8c19e547b971df37c49943e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" NEAS.593bb06e8c19e547b971df37c49943e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" wininit.exe -
Executes dropped EXE 2 IoCs
pid Process 4284 wininit.exe 1316 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA NEAS.593bb06e8c19e547b971df37c49943e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" NEAS.593bb06e8c19e547b971df37c49943e0.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" wininit.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\wininit.exe wininit.exe File created \??\c:\windows\wininit.exe NEAS.593bb06e8c19e547b971df37c49943e0.exe File opened for modification \??\c:\windows\wininit.exe NEAS.593bb06e8c19e547b971df37c49943e0.exe File opened for modification \??\c:\windows\RCXA047.tmp NEAS.593bb06e8c19e547b971df37c49943e0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe 1316 svchost.exe 1316 svchost.exe 4284 wininit.exe 4284 wininit.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 4284 wininit.exe 1316 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4284 wininit.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1552 wrote to memory of 4284 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 89 PID 1552 wrote to memory of 4284 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 89 PID 1552 wrote to memory of 4284 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 89 PID 1552 wrote to memory of 1316 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 90 PID 1552 wrote to memory of 1316 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 90 PID 1552 wrote to memory of 1316 1552 NEAS.593bb06e8c19e547b971df37c49943e0.exe 90 -
System policy modification 1 TTPs 9 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" wininit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" NEAS.593bb06e8c19e547b971df37c49943e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" NEAS.593bb06e8c19e547b971df37c49943e0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" NEAS.593bb06e8c19e547b971df37c49943e0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.593bb06e8c19e547b971df37c49943e0.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.593bb06e8c19e547b971df37c49943e0.exe"1⤵
- UAC bypass
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1552 -
\??\c:\windows\wininit.exec:\windows\wininit.exe2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:4284
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\??\c:\users\admin\appdata\local\svchost.exec:\users\admin\appdata\local\svchost.exe2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- System policy modification
PID:1316
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
3.1MB
MD5593bb06e8c19e547b971df37c49943e0
SHA173a95343a1fffb84f9798305c10d9457c477e584
SHA256de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf
SHA512bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c
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Filesize
3.1MB
MD5cfa8e4c2a8be38cd7eb3f12344ed771f
SHA113bef75ca1f550db86820d31f4ff234108b75b3c
SHA256f98c9a40b559438b3eb63c750d8f345d88233dfec6a399928a66a20adf9d8e09
SHA5127349bec73c36821193bdf38fe3fa5c5ca8933a78ea8440816594af74f0c39638e905e6da327e08e4a29a53d0f437d645d9316f1c418dde01bd166a38ef5cc1ef
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Filesize
3.1MB
MD5593bb06e8c19e547b971df37c49943e0
SHA173a95343a1fffb84f9798305c10d9457c477e584
SHA256de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf
SHA512bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c
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Filesize
3.1MB
MD5593bb06e8c19e547b971df37c49943e0
SHA173a95343a1fffb84f9798305c10d9457c477e584
SHA256de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf
SHA512bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c
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Filesize
3.1MB
MD5593bb06e8c19e547b971df37c49943e0
SHA173a95343a1fffb84f9798305c10d9457c477e584
SHA256de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf
SHA512bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c