Analysis
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max time kernel
161s -
max time network
179s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26/11/2022, 23:01
Behavioral task
behavioral1
Sample
3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe
Resource
win7-20221111-en
General
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Target
3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe
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Size
210KB
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MD5
e2783bd34e44f6de337f04e88f73249c
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SHA1
6f7f92dc471b1dbb2b2b9392eea0e1375b384eee
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SHA256
3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b
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SHA512
f567322e4a910e1c864dc65ab38afc994be204d34457a8c89a77eb7d0126718af3b0f70f304e48b99ef7f40dceb4b9a8a7cdab5986bb4327e7a2313816eafe59
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SSDEEP
3072:QzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIpO9nxTY8Rt9cAP5o4iDFC11/v:QLV6Bta6dtJmakIM5JxbEzDwj9rCkr
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe" 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\ISS Manager\issmgr.exe 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe File opened for modification C:\Program Files (x86)\ISS Manager\issmgr.exe 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1428 schtasks.exe 1480 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1628 wrote to memory of 1428 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 28 PID 1628 wrote to memory of 1428 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 28 PID 1628 wrote to memory of 1428 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 28 PID 1628 wrote to memory of 1428 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 28 PID 1628 wrote to memory of 1480 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 30 PID 1628 wrote to memory of 1480 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 30 PID 1628 wrote to memory of 1480 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 30 PID 1628 wrote to memory of 1480 1628 3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe"C:\Users\Admin\AppData\Local\Temp\3dcdd7d9f93d651bfe8cac02938594a8de76cc11c07dbbce369432ab06e9084b.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDA8.tmp"2⤵
- Creates scheduled task(s)
PID:1428
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ISS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp20AC.tmp"2⤵
- Creates scheduled task(s)
PID:1480
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5ea7095fa975a5ac043c9de2899ce61d0
SHA1ba4e21d0728fb1b4b87006c2e8ceb6109c9046a3
SHA2565a1ba7b1b91e0bb7aedcfa82dc687972abb31f72ae1613ac586938ef0843f30f
SHA512b52c8f1b58f263a3d1ad1ef9939167853a5f55033d9ad8976130174c7118407711a0703266c7d2d542bc2ca8119f875e35cc791b9dd70ef83b5310ac1e7cd1cb
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Filesize
1KB
MD537e353043872dd9871820b5a1b667a3c
SHA1d957a0d83dad1fd90156b80260ed980c2215c2b3
SHA256a8b0fcd21f2cd626bd19bca8900f6fa993ce554378cb48e670e90a6388e368a2
SHA512b76d8e64de10c2df82248896adba3b01439f0fb71b3b890d4fcf0eef46a7cb60be7375b633a9daf2130696a4280131a82e34514c0e0cf7a6573227dd2e013fb2