Analysis
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max time kernel
119s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 02:03
Static task
static1
Behavioral task
behavioral1
Sample
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe
Resource
win10v2004-20240611-en
General
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Target
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe
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Size
689KB
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MD5
217fd03c398f156a343e2791206505ad
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SHA1
cc819116f40772ec1ffba29c452063c04d552eaf
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SHA256
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff
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SHA512
fcb633fa506a5212e37fb138b216585af1ad7b25c18685a97ca1b7b9ed4794da7291053da5eefac2a1dac17242feb3f20e6d976db7f7cd7f7794522a4a800af1
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SSDEEP
12288:H4rx504bFC8VPhPXJfgEbUUz7oBIxtNwwWyPtPew42OZca7L+xN:Yrw4bPPPfg2UYNwwW+PqDZcALg
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
w#chNV#1
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
w#chNV#1 - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 3324 powershell.exe 2964 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.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:
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe" 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 15 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exedescription pid process target process PID 4464 set thread context of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.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 12 IoCs
Processes:
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exepowershell.exepowershell.exe4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exepid process 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 2964 powershell.exe 3324 powershell.exe 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4780 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4780 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 2964 powershell.exe 3324 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exepowershell.exepowershell.exe4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exedescription pid process Token: SeDebugPrivilege 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 2964 powershell.exe Token: SeDebugPrivilege 4780 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exedescription pid process target process PID 4464 wrote to memory of 3324 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe powershell.exe PID 4464 wrote to memory of 3324 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe powershell.exe PID 4464 wrote to memory of 3324 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe powershell.exe PID 4464 wrote to memory of 2964 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe powershell.exe PID 4464 wrote to memory of 2964 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe powershell.exe PID 4464 wrote to memory of 2964 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe powershell.exe PID 4464 wrote to memory of 2464 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe schtasks.exe PID 4464 wrote to memory of 2464 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe schtasks.exe PID 4464 wrote to memory of 2464 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe schtasks.exe PID 4464 wrote to memory of 2884 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 2884 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 2884 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 3380 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 3380 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 3380 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe PID 4464 wrote to memory of 4780 4464 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe 4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3324 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cGhOYFUbb.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2964 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cGhOYFUbb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5BBC.tmp"2⤵
- Creates scheduled task(s)
PID:2464 -
C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"2⤵PID:2884
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C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"2⤵PID:3380
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C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"C:\Users\Admin\AppData\Local\Temp\4b13fee13544dc3148752435f83f9861e3d14a117ad645d015e336da00ffceff.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4780
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
18KB
MD5f319482c7928cd2a1a31d6a2f44d5db9
SHA1c85e35aca1a35da3b7971fac0366ffbb4cbee435
SHA256d98c99d0447fab182ae0763fe95b27264537583f345c6af64734db141c405062
SHA5120cb27ab377ad1f9abdd5188c8c72726faa2b9ff178c1066aff89ced80eb39e2dbef506e1a83b94f5677930744f80d2a1697c5a6c40363da7ac6491a805473bcd
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD571f8f48170c857c8235cd3ace96badc5
SHA1a4b833e333e735263a85ccd78d610d30584891d9
SHA2567402a899184c79d011fcb0ef2ce15c0c489da74be39c21744cfeb834dae2e2a8
SHA5126e4fa2e8ffccd467b8586ffe4e633bd7b7aa1f9b4a905ab7e8210d167891df9c00b8c6d3e479e9e81235146833dcff35b91f825fc55c010fc21dcb3284929ac9