Analysis
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max time kernel
113s -
max time network
120s -
platform
windows7_x64 -
resource
win7 -
submitted
16/07/2020, 08:36
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION.exe
Resource
win7
Behavioral task
behavioral2
Sample
QUOTATION.exe
Resource
win10v200430
General
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Target
QUOTATION.exe
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Size
571KB
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MD5
0014895addcda048f510946585b2094e
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SHA1
f161dd07b414a1c1d553ed71f2e5d74fbdeb120a
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SHA256
0862113a4573fd34c6c79f11e749f22f95ed3b319c353cf08d9eaf880901934c
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SHA512
8291729ad4033c10893e938648548b87b0eb931a93e26df63985e2790786e872c1be26fea5158a80bb78d95453c674afed5e421368740a59d89ebb71dfca2002
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.radianthospitals.org - Port:
587 - Username:
[email protected] - Password:
ifeanyi12345678
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/344-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/344-5-0x000000000044749E-mapping.dmp family_agenttesla behavioral1/memory/344-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/344-6-0x0000000000400000-0x000000000044C000-memory.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
description pid Process procid_target PID 1164 set thread context of 344 1164 QUOTATION.exe 26 -
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.
pid Process 1580 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 344 QUOTATION.exe 344 QUOTATION.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 344 QUOTATION.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 344 QUOTATION.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1164 wrote to memory of 1580 1164 QUOTATION.exe 24 PID 1164 wrote to memory of 1580 1164 QUOTATION.exe 24 PID 1164 wrote to memory of 1580 1164 QUOTATION.exe 24 PID 1164 wrote to memory of 1580 1164 QUOTATION.exe 24 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26 PID 1164 wrote to memory of 344 1164 QUOTATION.exe 26
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 use of WriteProcessMemory
PID:1164 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fVEcJf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA736.tmp"2⤵
- Creates scheduled task(s)
PID:1580
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C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:344
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