Analysis
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max time kernel
125s -
max time network
104s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
08-04-2021 07:59
Static task
static1
Behavioral task
behavioral1
Sample
Quotation.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Quotation.exe
Resource
win10v20201028
General
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Target
Quotation.exe
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Size
755KB
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MD5
1e72fdc63d96b7f7681cb76d2eb34d36
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SHA1
66e0afcc111a42a15817ccb6fce14f885b354c95
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SHA256
1fa8f6d52e8299dc1a67d9b3ba8af0d876e12cae58f72276ebecd1711c9a97e7
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SHA512
00e1667bb4cd7d4228f4788779ee37677bdcf311dd4b802a63e08a2626a66b297d8ae8d20c1cf8c8f4f973feb516b24dc00cd1873a4c8ce693b18fa3671f77e5
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.vivaldi.net - Port:
587 - Username:
Ricardo2021@vivaldi.net - Password:
Qwerty2020Hp##
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/1300-126-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1300-127-0x00000000004374CE-mapping.dmp family_agenttesla -
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:
Quotation.exedescription pid process target process PID 1232 set thread context of 1300 1232 Quotation.exe Quotation.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 3 IoCs
Processes:
Quotation.exeQuotation.exepid process 1232 Quotation.exe 1300 Quotation.exe 1300 Quotation.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Quotation.exeQuotation.exedescription pid process Token: SeDebugPrivilege 1232 Quotation.exe Token: SeDebugPrivilege 1300 Quotation.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Quotation.exedescription pid process target process PID 1232 wrote to memory of 3220 1232 Quotation.exe schtasks.exe PID 1232 wrote to memory of 3220 1232 Quotation.exe schtasks.exe PID 1232 wrote to memory of 3220 1232 Quotation.exe schtasks.exe PID 1232 wrote to memory of 1300 1232 Quotation.exe Quotation.exe PID 1232 wrote to memory of 1300 1232 Quotation.exe Quotation.exe PID 1232 wrote to memory of 1300 1232 Quotation.exe Quotation.exe PID 1232 wrote to memory of 1300 1232 Quotation.exe Quotation.exe PID 1232 wrote to memory of 1300 1232 Quotation.exe Quotation.exe PID 1232 wrote to memory of 1300 1232 Quotation.exe Quotation.exe PID 1232 wrote to memory of 1300 1232 Quotation.exe Quotation.exe PID 1232 wrote to memory of 1300 1232 Quotation.exe Quotation.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dscWrFFhhJBg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpED53.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Quotation.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Quotation.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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C:\Users\Admin\AppData\Local\Temp\tmpED53.tmpMD5
66242e3a205d3e631edefd2810ce2eb5
SHA192d5beb7d4d4bda07a33538a09ad4f0dff64aad0
SHA256e7c023cbb62edacd0cad13b6b0a278fe440dd62c81352b4363abb1648cffd637
SHA512c1b8dc32104b0f12413568497299eb116656b4951de277a7af8cbc5cb37b335acacf9c24bfb8dbb76873346f10610f92cc6e6381f833fe0782368a2f72088447
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memory/1232-123-0x000000000AE50000-0x000000000AEC3000-memory.dmpFilesize
460KB
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memory/1232-118-0x0000000004F60000-0x0000000004FF2000-memory.dmpFilesize
584KB
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memory/1232-119-0x00000000050B0000-0x00000000050B1000-memory.dmpFilesize
4KB
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memory/1232-120-0x0000000007600000-0x0000000007601000-memory.dmpFilesize
4KB
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memory/1232-121-0x00000000055E0000-0x00000000055E5000-memory.dmpFilesize
20KB
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memory/1232-122-0x0000000008A40000-0x0000000008AF7000-memory.dmpFilesize
732KB
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memory/1232-114-0x0000000000710000-0x0000000000711000-memory.dmpFilesize
4KB
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memory/1232-116-0x0000000005600000-0x0000000005601000-memory.dmpFilesize
4KB
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memory/1232-117-0x0000000005000000-0x0000000005001000-memory.dmpFilesize
4KB
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memory/1300-127-0x00000000004374CE-mapping.dmp
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memory/1300-126-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1300-133-0x00000000053D0000-0x00000000053D1000-memory.dmpFilesize
4KB
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memory/1300-134-0x0000000005580000-0x0000000005581000-memory.dmpFilesize
4KB
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memory/1300-135-0x00000000060F0000-0x00000000060F1000-memory.dmpFilesize
4KB
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memory/3220-124-0x0000000000000000-mapping.dmp