Analysis
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max time kernel
111s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:14
Static task
static1
Behavioral task
behavioral1
Sample
SKM WB 12082020082613.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
SKM WB 12082020082613.exe
Resource
win10v2004-20220414-en
General
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Target
SKM WB 12082020082613.exe
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Size
766KB
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MD5
00e265ebf4c6efa6cb2507d402cf414b
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SHA1
ba6599687aa6401bb4fb7de17bc1dc30baa59cad
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SHA256
127dfcf1e210fc37a26f34b49e552de670aa17e912c38b51f0a374df6d6b9389
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SHA512
1c8b066da8e50d0f3af8bf76ff69a3cb93a407a66183187401e571ed39852dd7de11d0e6382ad8852b9105a7e2d7aecbe8a52bc996efc3de45477245e4f1f187
Malware Config
Extracted
Protocol: smtp- Host:
mail.flood-protection.org - Port:
587 - Username:
[email protected] - Password:
gee2424@
Extracted
agenttesla
Protocol: smtp- Host:
mail.flood-protection.org - Port:
587 - Username:
[email protected] - Password:
gee2424@
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/4600-136-0x0000000000400000-0x0000000000458000-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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
SKM WB 12082020082613.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM WB 12082020082613.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM WB 12082020082613.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM WB 12082020082613.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SKM WB 12082020082613.exedescription pid process target process PID 4388 set thread context of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
SKM WB 12082020082613.exeSKM WB 12082020082613.exepid process 4388 SKM WB 12082020082613.exe 4600 SKM WB 12082020082613.exe 4600 SKM WB 12082020082613.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SKM WB 12082020082613.exeSKM WB 12082020082613.exedescription pid process Token: SeDebugPrivilege 4388 SKM WB 12082020082613.exe Token: SeDebugPrivilege 4600 SKM WB 12082020082613.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
SKM WB 12082020082613.exedescription pid process target process PID 4388 wrote to memory of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe PID 4388 wrote to memory of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe PID 4388 wrote to memory of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe PID 4388 wrote to memory of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe PID 4388 wrote to memory of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe PID 4388 wrote to memory of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe PID 4388 wrote to memory of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe PID 4388 wrote to memory of 4600 4388 SKM WB 12082020082613.exe SKM WB 12082020082613.exe -
outlook_office_path 1 IoCs
Processes:
SKM WB 12082020082613.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKM WB 12082020082613.exe -
outlook_win_path 1 IoCs
Processes:
SKM WB 12082020082613.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 SKM WB 12082020082613.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SKM WB 12082020082613.exe"C:\Users\Admin\AppData\Local\Temp\SKM WB 12082020082613.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Users\Admin\AppData\Local\Temp\SKM WB 12082020082613.exe"C:\Users\Admin\AppData\Local\Temp\SKM WB 12082020082613.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4600
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691