Analysis
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max time kernel
74s -
max time network
78s -
platform
windows7_x64 -
resource
win7 -
submitted
08-07-2020 11:33
Static task
static1
Behavioral task
behavioral1
Sample
SCAN_PO CTL209-026.exe
Resource
win7
Behavioral task
behavioral2
Sample
SCAN_PO CTL209-026.exe
Resource
win10v200430
General
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Target
SCAN_PO CTL209-026.exe
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Size
839KB
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MD5
0957144bc6ea160515c1bfd6c2faa6d5
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SHA1
e06dfa469646bc8cc28207abe7c8cb8116ab77e6
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SHA256
9a461345aa76acd802aebd2426775b952f411c0c1def2ae141f23fe4a16b5e7c
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SHA512
15d4bcfe795bc5eadd2909427acfce5e713b2a0d4402aa0d88d49f8880298a2c12407ce8c5a1f23b84c6405ca14f2dbc30ae7c464d983563c1c5e9959e5a6010
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
@infinitY1234
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
Processes:
resource yara_rule behavioral1/memory/1088-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1088-5-0x0000000000446F9E-mapping.dmp family_agenttesla behavioral1/memory/1088-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1088-8-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 1088 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
SCAN_PO CTL209-026.exepid process 1584 SCAN_PO CTL209-026.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:
SCAN_PO CTL209-026.exedescription pid process target process PID 1584 set thread context of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
SCAN_PO CTL209-026.exeInstallUtil.exepid process 1584 SCAN_PO CTL209-026.exe 1584 SCAN_PO CTL209-026.exe 1584 SCAN_PO CTL209-026.exe 1088 InstallUtil.exe 1088 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SCAN_PO CTL209-026.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1584 SCAN_PO CTL209-026.exe Token: SeDebugPrivilege 1088 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
SCAN_PO CTL209-026.exedescription pid process target process PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe PID 1584 wrote to memory of 1088 1584 SCAN_PO CTL209-026.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SCAN_PO CTL209-026.exe"C:\Users\Admin\AppData\Local\Temp\SCAN_PO CTL209-026.exe"1⤵
- Loads dropped DLL
- 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\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- 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\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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memory/1088-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1088-5-0x0000000000446F9E-mapping.dmp
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memory/1088-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1088-8-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1584-1-0x0000000000000000-0x0000000000000000-disk.dmp