Analysis
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max time kernel
125s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2023 07:57
Static task
static1
Behavioral task
behavioral1
Sample
payment status.pdf.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
payment status.pdf.exe
Resource
win10v2004-20231130-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-1-5-21-596315103-1488671723-776734015-1000\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 4304 set thread context of 4040 4304 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 4028 4040 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 6 IoCs
Processes:
powershell.exepowershell.exeRegSvcs.exepid process 1144 powershell.exe 2228 powershell.exe 1144 powershell.exe 4040 RegSvcs.exe 4040 RegSvcs.exe 2228 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1144 powershell.exe Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 4040 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
payment status.pdf.exedescription pid process target process PID 4304 wrote to memory of 1144 4304 payment status.pdf.exe powershell.exe PID 4304 wrote to memory of 1144 4304 payment status.pdf.exe powershell.exe PID 4304 wrote to memory of 1144 4304 payment status.pdf.exe powershell.exe PID 4304 wrote to memory of 2228 4304 payment status.pdf.exe powershell.exe PID 4304 wrote to memory of 2228 4304 payment status.pdf.exe powershell.exe PID 4304 wrote to memory of 2228 4304 payment status.pdf.exe powershell.exe PID 4304 wrote to memory of 1588 4304 payment status.pdf.exe schtasks.exe PID 4304 wrote to memory of 1588 4304 payment status.pdf.exe schtasks.exe PID 4304 wrote to memory of 1588 4304 payment status.pdf.exe schtasks.exe PID 4304 wrote to memory of 4040 4304 payment status.pdf.exe RegSvcs.exe PID 4304 wrote to memory of 4040 4304 payment status.pdf.exe RegSvcs.exe PID 4304 wrote to memory of 4040 4304 payment status.pdf.exe RegSvcs.exe PID 4304 wrote to memory of 4040 4304 payment status.pdf.exe RegSvcs.exe PID 4304 wrote to memory of 4040 4304 payment status.pdf.exe RegSvcs.exe PID 4304 wrote to memory of 4040 4304 payment status.pdf.exe RegSvcs.exe PID 4304 wrote to memory of 4040 4304 payment status.pdf.exe RegSvcs.exe PID 4304 wrote to memory of 4040 4304 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:4304 -
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:1144 -
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:2228 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zcEARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp"2⤵
- Creates scheduled task(s)
PID:1588 -
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:4040 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 13883⤵
- Program crash
PID:4028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4040 -ip 40401⤵PID:4956
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
MD56b7aac861d7898a383c292ec1adab0ec
SHA16676959d1e32e6887598f70fd655c14f1cf218f4
SHA2565c5641fd19ae495dc836720d51746978301cec6ee431db74a6ceb964f294f697
SHA512ea69dbe5da2ff2ab350c35ea6e21becd58ad8ec6a4b65a1f36ac5368f316081f5fdf84bcfa58dd5f2f8858152298589882b60435938846190bf8cf84d58fb020
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5d9c266b627d7eab3ca13ed8d1f69d9b0
SHA120002d571b409c2479f1d06f1c5c8e52af82a11b
SHA256568f81052d93866775a8f1995b4033cb9c0504755e7835b6444912b4abc5349f
SHA512257f313a01fdcec091f1fa18316d90fd822e29a72631cf7183b092b8d095ecfacb9d14129f3757130faf6641810c5abd66b92040a58424b6199f1147a293cc77