Analysis
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max time kernel
129s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
08-04-2021 07:04
Static task
static1
Behavioral task
behavioral1
Sample
Outstanding invoices.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Outstanding invoices.exe
Resource
win10v20201028
General
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Target
Outstanding invoices.exe
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Size
528KB
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MD5
95df4d14a28e363ce70d5d7962427c24
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SHA1
ffcdfb4eb40d64eb13e50ee13c0ae9a73a9ee8ee
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SHA256
e9573722d616d444c71e82f1ac6973921f3c942af4403760e0292b3ebf9159b0
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SHA512
983c7bb6d01ac1729c86fc994ebbb9bb40b1dd1bd27b2ff96d8a32a3b1b547d1fb2fd3e2f24d2b8b5cedb1e10dbb666a6ced71b8d89c94595ed3b46cc8df16e6
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.babcockvalve.com - Port:
587 - Username:
ziara.landa@babcockvalve.com - Password:
hA$ks@%9
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2140-19-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2140-20-0x00000000004375FE-mapping.dmp family_agenttesla -
Nirsoft 5 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe Nirsoft -
Executes dropped EXE 4 IoCs
Processes:
AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exepid process 3140 AdvancedRun.exe 4004 AdvancedRun.exe 2836 AdvancedRun.exe 940 AdvancedRun.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Outstanding invoices.exedescription pid process target process PID 744 set thread context of 2140 744 Outstanding invoices.exe Outstanding invoices.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exeOutstanding invoices.exeOutstanding invoices.exepid process 3140 AdvancedRun.exe 3140 AdvancedRun.exe 3140 AdvancedRun.exe 3140 AdvancedRun.exe 4004 AdvancedRun.exe 4004 AdvancedRun.exe 4004 AdvancedRun.exe 4004 AdvancedRun.exe 2836 AdvancedRun.exe 2836 AdvancedRun.exe 2836 AdvancedRun.exe 2836 AdvancedRun.exe 940 AdvancedRun.exe 940 AdvancedRun.exe 940 AdvancedRun.exe 940 AdvancedRun.exe 744 Outstanding invoices.exe 744 Outstanding invoices.exe 2140 Outstanding invoices.exe 2140 Outstanding invoices.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exeOutstanding invoices.exeOutstanding invoices.exedescription pid process Token: SeDebugPrivilege 3140 AdvancedRun.exe Token: SeImpersonatePrivilege 3140 AdvancedRun.exe Token: SeDebugPrivilege 4004 AdvancedRun.exe Token: SeImpersonatePrivilege 4004 AdvancedRun.exe Token: SeDebugPrivilege 2836 AdvancedRun.exe Token: SeImpersonatePrivilege 2836 AdvancedRun.exe Token: SeDebugPrivilege 940 AdvancedRun.exe Token: SeImpersonatePrivilege 940 AdvancedRun.exe Token: SeDebugPrivilege 744 Outstanding invoices.exe Token: SeDebugPrivilege 2140 Outstanding invoices.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Outstanding invoices.exeAdvancedRun.exeAdvancedRun.exedescription pid process target process PID 744 wrote to memory of 3140 744 Outstanding invoices.exe AdvancedRun.exe PID 744 wrote to memory of 3140 744 Outstanding invoices.exe AdvancedRun.exe PID 744 wrote to memory of 3140 744 Outstanding invoices.exe AdvancedRun.exe PID 3140 wrote to memory of 4004 3140 AdvancedRun.exe AdvancedRun.exe PID 3140 wrote to memory of 4004 3140 AdvancedRun.exe AdvancedRun.exe PID 3140 wrote to memory of 4004 3140 AdvancedRun.exe AdvancedRun.exe PID 744 wrote to memory of 2836 744 Outstanding invoices.exe AdvancedRun.exe PID 744 wrote to memory of 2836 744 Outstanding invoices.exe AdvancedRun.exe PID 744 wrote to memory of 2836 744 Outstanding invoices.exe AdvancedRun.exe PID 2836 wrote to memory of 940 2836 AdvancedRun.exe AdvancedRun.exe PID 2836 wrote to memory of 940 2836 AdvancedRun.exe AdvancedRun.exe PID 2836 wrote to memory of 940 2836 AdvancedRun.exe AdvancedRun.exe PID 744 wrote to memory of 2140 744 Outstanding invoices.exe Outstanding invoices.exe PID 744 wrote to memory of 2140 744 Outstanding invoices.exe Outstanding invoices.exe PID 744 wrote to memory of 2140 744 Outstanding invoices.exe Outstanding invoices.exe PID 744 wrote to memory of 2140 744 Outstanding invoices.exe Outstanding invoices.exe PID 744 wrote to memory of 2140 744 Outstanding invoices.exe Outstanding invoices.exe PID 744 wrote to memory of 2140 744 Outstanding invoices.exe Outstanding invoices.exe PID 744 wrote to memory of 2140 744 Outstanding invoices.exe Outstanding invoices.exe PID 744 wrote to memory of 2140 744 Outstanding invoices.exe Outstanding invoices.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Outstanding invoices.exe"C:\Users\Admin\AppData\Local\Temp\Outstanding invoices.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 31403⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 28363⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Outstanding invoices.exe"C:\Users\Admin\AppData\Local\Temp\Outstanding invoices.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Outstanding invoices.exe.logMD5
4f9330dcb7e8730af9341cfdf0d8030f
SHA167daaf17560b15fe1d861139bce85a3ff6dbed23
SHA2561c25f424605d0e3ccf1ec077c36b3d2c89aa628521d10df851c2ff7689ad4617
SHA512e3becfad18409be0797d172e8b1364775726f9d33d8f125c87656a829b0c0c86fcec433db4446371e68530c0d7cb594fdcf28bb75e1f5d4fba64fe38329d9a40
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exeMD5
17fc12902f4769af3a9271eb4e2dacce
SHA19a4a1581cc3971579574f837e110f3bd6d529dab
SHA25629ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b
SHA512036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exeMD5
17fc12902f4769af3a9271eb4e2dacce
SHA19a4a1581cc3971579574f837e110f3bd6d529dab
SHA25629ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b
SHA512036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exeMD5
17fc12902f4769af3a9271eb4e2dacce
SHA19a4a1581cc3971579574f837e110f3bd6d529dab
SHA25629ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b
SHA512036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exeMD5
17fc12902f4769af3a9271eb4e2dacce
SHA19a4a1581cc3971579574f837e110f3bd6d529dab
SHA25629ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b
SHA512036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a
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C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exeMD5
17fc12902f4769af3a9271eb4e2dacce
SHA19a4a1581cc3971579574f837e110f3bd6d529dab
SHA25629ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b
SHA512036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a
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memory/744-8-0x00000000062B0000-0x00000000062B1000-memory.dmpFilesize
4KB
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memory/744-11-0x0000000005A30000-0x0000000005A31000-memory.dmpFilesize
4KB
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memory/744-3-0x0000000000FE0000-0x0000000000FE1000-memory.dmpFilesize
4KB
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memory/744-5-0x00000000018F0000-0x00000000018F2000-memory.dmpFilesize
8KB
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memory/744-7-0x0000000005950000-0x0000000005951000-memory.dmpFilesize
4KB
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memory/744-2-0x0000000073A20000-0x000000007410E000-memory.dmpFilesize
6.9MB
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memory/744-6-0x0000000005870000-0x00000000058C4000-memory.dmpFilesize
336KB
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memory/940-17-0x0000000000000000-mapping.dmp
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memory/2140-30-0x0000000006550000-0x0000000006551000-memory.dmpFilesize
4KB
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memory/2140-31-0x0000000005EB0000-0x0000000005EB1000-memory.dmpFilesize
4KB
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memory/2140-19-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2140-20-0x00000000004375FE-mapping.dmp
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memory/2140-28-0x0000000005730000-0x0000000005731000-memory.dmpFilesize
4KB
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memory/2140-22-0x0000000073A30000-0x000000007411E000-memory.dmpFilesize
6.9MB
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memory/2140-26-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/2140-27-0x0000000005350000-0x0000000005351000-memory.dmpFilesize
4KB
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memory/2836-15-0x0000000000000000-mapping.dmp
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memory/3140-9-0x0000000000000000-mapping.dmp
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memory/4004-13-0x0000000000000000-mapping.dmp