Analysis
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max time kernel
86s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2023 08:03
Static task
static1
Behavioral task
behavioral1
Sample
payment status.pdf.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
payment status.pdf.exe
Resource
win10v2004-20231127-en
General
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Target
payment status.pdf.exe
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Size
1020KB
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MD5
95db39b63d249c820c8f4049e0f6cb47
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SHA1
c7aea8439dc96bdbedb2f6c132ec3507818b66c4
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SHA256
411b46ed90780c211a99c7b85b753aade4eb1d5e63f3172f0a8149edf109237a
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SHA512
1bfe8a034f2411498768819e2c4511f657512cf8fe51c7f868557e7a1e507ca08f514a01433261b5116232886546732151c1b1f17f7af742761f2ff3afbeab06
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SSDEEP
24576:HR34/up+pJCy9lInPiYgpcU7GPm8UXYz1q:x38PJCQ3IPqXV
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bezzleauto.com - Port:
587 - Username:
[email protected] - Password:
kex#-rHjHM4qKk52 - 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:
payment status.pdf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Control Panel\International\Geo\Nation payment status.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
payment status.pdf.exedescription pid process target process PID 4480 set thread context of 2828 4480 payment status.pdf.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4624 2828 WerFault.exe RegSvcs.exe -
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 9 IoCs
Processes:
powershell.exepowershell.exeRegSvcs.exepid process 4384 powershell.exe 4384 powershell.exe 3112 powershell.exe 3112 powershell.exe 2828 RegSvcs.exe 2828 RegSvcs.exe 2828 RegSvcs.exe 4384 powershell.exe 3112 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 4384 powershell.exe Token: SeDebugPrivilege 3112 powershell.exe Token: SeDebugPrivilege 2828 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
payment status.pdf.exedescription pid process target process PID 4480 wrote to memory of 3112 4480 payment status.pdf.exe powershell.exe PID 4480 wrote to memory of 3112 4480 payment status.pdf.exe powershell.exe PID 4480 wrote to memory of 3112 4480 payment status.pdf.exe powershell.exe PID 4480 wrote to memory of 4384 4480 payment status.pdf.exe powershell.exe PID 4480 wrote to memory of 4384 4480 payment status.pdf.exe powershell.exe PID 4480 wrote to memory of 4384 4480 payment status.pdf.exe powershell.exe PID 4480 wrote to memory of 3892 4480 payment status.pdf.exe schtasks.exe PID 4480 wrote to memory of 3892 4480 payment status.pdf.exe schtasks.exe PID 4480 wrote to memory of 3892 4480 payment status.pdf.exe schtasks.exe PID 4480 wrote to memory of 2828 4480 payment status.pdf.exe RegSvcs.exe PID 4480 wrote to memory of 2828 4480 payment status.pdf.exe RegSvcs.exe PID 4480 wrote to memory of 2828 4480 payment status.pdf.exe RegSvcs.exe PID 4480 wrote to memory of 2828 4480 payment status.pdf.exe RegSvcs.exe PID 4480 wrote to memory of 2828 4480 payment status.pdf.exe RegSvcs.exe PID 4480 wrote to memory of 2828 4480 payment status.pdf.exe RegSvcs.exe PID 4480 wrote to memory of 2828 4480 payment status.pdf.exe RegSvcs.exe PID 4480 wrote to memory of 2828 4480 payment status.pdf.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\payment status.pdf.exe"C:\Users\Admin\AppData\Local\Temp\payment status.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4480 -
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\payment status.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zcEARB.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4384 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zcEARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9D5.tmp"2⤵
- Creates scheduled task(s)
PID:3892 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2828 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 14163⤵
- Program crash
PID:4624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2828 -ip 28281⤵PID:4852
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD56587974b07a57cf3388223b6af2dbacb
SHA1b8b4a4f18897bb5f06bf1da5eb0ef92595ddc233
SHA256810f78195acc04b061bd5dd1716c7a0a6505574698c3e62492ccdc8e0c7464c4
SHA512fe051ffaa755c68391b3b229b812a2ebf0c20fac2aa43d8f4e230fd17109bd22222849e70281fdd38c35311dce26c94cfac7bb26d3c02217f49f0aca731f6779
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD56f8f4502521261da44e35cec391e7bdc
SHA16f42245d06d1890242760ec5d620d8f009265021
SHA2560421ede2de560bf98d910cd935f0d30525478753d880283eb91f30b244375e4d
SHA512302a620b8d34dddb0388c50c41c3cadd217164adbd9f3023b7a488d1fe3bd75ceb9a8ba38d973036a508c3ac88fb80f10f4119dd388a58fc7e8e7503c9beb20d