Analysis
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max time kernel
92s -
max time network
115s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
22-01-2021 14:44
Static task
static1
Behavioral task
behavioral1
Sample
VWHv25hG8krG0oN.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
VWHv25hG8krG0oN.exe
Resource
win10v20201028
General
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Target
VWHv25hG8krG0oN.exe
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Size
1.1MB
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MD5
7f82cfb27071df49570b6218613b886a
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SHA1
494f13242df0d1cfedada1dbf6ca8e47583bce5d
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SHA256
bc9bf3135e6e8e2bbe5f345843da0ac33848981d94cbd2dd540606c4397fac0b
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SHA512
47e499b9b645033348ec05ebdb43611bd439080d93ed69e4703b9d4a6f4651125e17a42b98738d6a11ca009fa57059724fde86c4e3bfb51c697c2c2dbb9c3fc3
Malware Config
Extracted
Protocol: smtp- Host:
mail.gammavilla.org - Port:
587 - Username:
info@gammavilla.org - Password:
county2018
Extracted
agenttesla
Protocol: smtp- Host:
mail.gammavilla.org - Port:
587 - Username:
info@gammavilla.org - Password:
county2018
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1976-12-0x0000000000400000-0x0000000000464000-memory.dmp family_agenttesla behavioral2/memory/1976-13-0x000000000045FE6E-mapping.dmp family_agenttesla -
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:
VWHv25hG8krG0oN.exedescription pid process target process PID 3888 set thread context of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
VWHv25hG8krG0oN.exepid process 1976 VWHv25hG8krG0oN.exe 1976 VWHv25hG8krG0oN.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
VWHv25hG8krG0oN.exedescription pid process Token: SeDebugPrivilege 1976 VWHv25hG8krG0oN.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
VWHv25hG8krG0oN.exepid process 1976 VWHv25hG8krG0oN.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
VWHv25hG8krG0oN.exedescription pid process target process PID 3888 wrote to memory of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe PID 3888 wrote to memory of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe PID 3888 wrote to memory of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe PID 3888 wrote to memory of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe PID 3888 wrote to memory of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe PID 3888 wrote to memory of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe PID 3888 wrote to memory of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe PID 3888 wrote to memory of 1976 3888 VWHv25hG8krG0oN.exe VWHv25hG8krG0oN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\VWHv25hG8krG0oN.exe"C:\Users\Admin\AppData\Local\Temp\VWHv25hG8krG0oN.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\VWHv25hG8krG0oN.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\VWHv25hG8krG0oN.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/1976-12-0x0000000000400000-0x0000000000464000-memory.dmpFilesize
400KB
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memory/1976-22-0x0000000005FB0000-0x0000000005FB1000-memory.dmpFilesize
4KB
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memory/1976-21-0x0000000005F20000-0x0000000005F21000-memory.dmpFilesize
4KB
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memory/1976-20-0x0000000005910000-0x0000000005911000-memory.dmpFilesize
4KB
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memory/1976-15-0x0000000073A20000-0x000000007410E000-memory.dmpFilesize
6.9MB
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memory/1976-13-0x000000000045FE6E-mapping.dmp
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memory/3888-7-0x0000000004CF0000-0x0000000004CF1000-memory.dmpFilesize
4KB
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memory/3888-11-0x00000000073C0000-0x00000000073C1000-memory.dmpFilesize
4KB
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memory/3888-10-0x0000000007250000-0x0000000007320000-memory.dmpFilesize
832KB
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memory/3888-9-0x0000000004F30000-0x0000000004F3E000-memory.dmpFilesize
56KB
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memory/3888-8-0x0000000004F20000-0x0000000004F21000-memory.dmpFilesize
4KB
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memory/3888-2-0x0000000073A20000-0x000000007410E000-memory.dmpFilesize
6.9MB
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memory/3888-6-0x0000000004D80000-0x0000000004D81000-memory.dmpFilesize
4KB
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memory/3888-5-0x0000000005280000-0x0000000005281000-memory.dmpFilesize
4KB
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memory/3888-3-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB