Analysis
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max time kernel
91s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:59
Static task
static1
Behavioral task
behavioral1
Sample
IMG_0009786R445TGUH.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
IMG_0009786R445TGUH.exe
Resource
win10v2004-20220414-en
General
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Target
IMG_0009786R445TGUH.exe
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Size
423KB
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MD5
f6cec1316813848e64a78fe3d6d29386
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SHA1
ee1422deba8ead728f95c22c2b0ccfb984c00c33
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SHA256
2b9ac04e330dd1d57544561da42bd8826c516e16b1acb6e70aa07d38f8152cde
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SHA512
174e73448b7a1d9002deb0957c33e5939601ba0c79038f33d00e16bf0548ffdbd0165754d52f8b830a517bc499c58e755d6926b902fc02225fbe63e488c208e0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
mkoify147@@@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/204-139-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
IMG_0009786R445TGUH.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation IMG_0009786R445TGUH.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
IMG_0009786R445TGUH.exedescription pid process target process PID 4160 set thread context of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.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 5 IoCs
Processes:
IMG_0009786R445TGUH.exeRegSvcs.exepid process 4160 IMG_0009786R445TGUH.exe 4160 IMG_0009786R445TGUH.exe 4160 IMG_0009786R445TGUH.exe 204 RegSvcs.exe 204 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
IMG_0009786R445TGUH.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 4160 IMG_0009786R445TGUH.exe Token: SeDebugPrivilege 204 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
IMG_0009786R445TGUH.exeRegSvcs.exedescription pid process target process PID 4160 wrote to memory of 4112 4160 IMG_0009786R445TGUH.exe schtasks.exe PID 4160 wrote to memory of 4112 4160 IMG_0009786R445TGUH.exe schtasks.exe PID 4160 wrote to memory of 4112 4160 IMG_0009786R445TGUH.exe schtasks.exe PID 4160 wrote to memory of 344 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 344 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 344 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 4160 wrote to memory of 204 4160 IMG_0009786R445TGUH.exe RegSvcs.exe PID 204 wrote to memory of 1596 204 RegSvcs.exe netsh.exe PID 204 wrote to memory of 1596 204 RegSvcs.exe netsh.exe PID 204 wrote to memory of 1596 204 RegSvcs.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\IMG_0009786R445TGUH.exe"C:\Users\Admin\AppData\Local\Temp\IMG_0009786R445TGUH.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hfYZuV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC23.tmp"2⤵
- Creates scheduled task(s)
PID:4112
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:344
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:204 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1596
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5ca410b517abf3ea276f0c8bad4bd6599
SHA17eea87a91676aa0dd81b4a63e22a38e962ab706a
SHA25690d6c36e51e745948addd97a9fef2b8dff98e36e2e36be71281ab12ef6b35ea0
SHA5122df70028d6f5aabbfca7565c9c0a93e16a61538cc51d9383d261e9c3f55317eb37282d27bd51caa89a41146998917b0fc8a0cceb8da6f2774c4721cf92557508