Analysis
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max time kernel
122s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2023 02:21
Static task
static1
Behavioral task
behavioral1
Sample
7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe
Resource
win10v2004-20231130-en
General
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Target
7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe
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Size
716KB
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MD5
e21a0e94ecc680b663e411cff254080e
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SHA1
ad5ed75e5fd5d5beeb7892a0be3e3854554808d9
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SHA256
7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d
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SHA512
62e9b691935a4bb3edbb3c4fb2746d57d90dd0c584d923d25aaf1dd78d3a0e08de0e36e8b5af2fc13052b4112371a5356a0ed703f3b86ae15fd8eb1c1454e735
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SSDEEP
12288:G4dIVT8zss3cQhDjBJ9g6CEtJMymAmBkh8PheCafZ2BP8rPI4K:G44TFyRjlbCEtqtTZPMvQ1h4
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
nne dimma080
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
nne dimma080 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-433534792-1200107535-3148087551-1000\Control Panel\International\Geo\Nation 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-433534792-1200107535-3148087551-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MmRKwR = "C:\\Users\\Admin\\AppData\\Roaming\\MmRKwR\\MmRKwR.exe" 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exedescription pid process target process PID 4204 set thread context of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exe7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exepid process 2800 powershell.exe 2356 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 2356 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 2800 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exe7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exedescription pid process Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 2356 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exedescription pid process target process PID 4204 wrote to memory of 2800 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe powershell.exe PID 4204 wrote to memory of 2800 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe powershell.exe PID 4204 wrote to memory of 2800 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe powershell.exe PID 4204 wrote to memory of 2152 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe schtasks.exe PID 4204 wrote to memory of 2152 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe schtasks.exe PID 4204 wrote to memory of 2152 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe schtasks.exe PID 4204 wrote to memory of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe PID 4204 wrote to memory of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe PID 4204 wrote to memory of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe PID 4204 wrote to memory of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe PID 4204 wrote to memory of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe PID 4204 wrote to memory of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe PID 4204 wrote to memory of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe PID 4204 wrote to memory of 2356 4204 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe 7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe"C:\Users\Admin\AppData\Local\Temp\7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AsknNbTfcaDZi.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2800 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AsknNbTfcaDZi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8443.tmp"2⤵
- Creates scheduled task(s)
PID:2152 -
C:\Users\Admin\AppData\Local\Temp\7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe"C:\Users\Admin\AppData\Local\Temp\7b2828b96cdff5872a633a3d93651deb416049b563cff5323f12f0389240d94d.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2356
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e0df4a177317bfd7bf3bb85c4b829fd4
SHA12b0e6eb82c4715b2e123295a110b4a6d85e11c26
SHA25619d92d135f77bb8bd7273305c2e7cc08e01ca3b7f8b8b5ec46928fd6de5c716c
SHA512865eee4cfdf64527653104803775ece79daf7d72f4acbc69633cf57e4870b066abd2e4705c6828aadbcd8256cc604fe4b4f2e6a399fa4cd6f3808c01bbf32b59