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Analysis
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max time kernel
49s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
06/03/2023, 21:43
Static task
static1
Behavioral task
behavioral1
Sample
dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe
Resource
win10v2004-20230220-en
General
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Target
dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe
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Size
761KB
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MD5
4ac6af41f618d75b7807a9cead475a79
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SHA1
a40310c7e6a24d74ee9b739fa457ece169066d07
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SHA256
dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8
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SHA512
08c1ca07e167509698b30ba5cfc17b34f5087c570b9aa138de6267550435006d2e2844051f4eb8f173135de5e96d2a95394df0a7483e05b74943dc47b14c75bc
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SSDEEP
12288:/zwlG1wFK2RWwXcPdit4kfFFXFGpaj4Jd++fd/qwvQ9qjd/rFPqFmwwzdDiC7v5q:LwlG1wF9WwXcPdit4kfFFXFGpaj4Jd+/
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.rapidcheckng.com - Port:
587 - Username:
[email protected] - Password:
@Rapidcheckng# - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1304 set thread context of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 -
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 1312 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe Token: SeDebugPrivilege 516 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1304 wrote to memory of 1312 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 27 PID 1304 wrote to memory of 1312 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 27 PID 1304 wrote to memory of 1312 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 27 PID 1304 wrote to memory of 1312 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 27 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 PID 1304 wrote to memory of 516 1304 dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe"C:\Users\Admin\AppData\Local\Temp\dac89be8aa934890907a63a2dfc1222a2718c81bec983c0da3a562c7724869b8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RQGrrRAQiiB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7B49.tmp"2⤵
- Creates scheduled task(s)
PID:1312
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:516
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5315c2575b7caf7464e757b140435f057
SHA11a8338dfe2ba8717bf1840268cc7e3cfab66268d
SHA256a1fd19a0f3be7af59e4a91e0b37ae37014a3a55f8287edc5f8be37aeef9c303e
SHA5124a5e3530981b97301fac509143af4a720d24a280ad655a89c748599b0d01e95e9a0a6084840f5b97fa3cc74ab56f6e553e8b40a7aa7abfc613dcc1f9642b6d52