Analysis
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max time kernel
120s -
max time network
150s -
platform
windows10_x64 -
resource
win10v200217 -
submitted
01-04-2020 15:33
Static task
static1
Behavioral task
behavioral1
Sample
Face Masks&KN95.exe
Resource
win7v200217
General
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Target
Face Masks&KN95.exe
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Size
780KB
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MD5
9bf72d33a239963ca6098752cec3ef9c
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SHA1
7cdf7335ee8bf451e4226fe5d3985d9eb8e27494
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SHA256
d7b59d350dd16d5c6a39706ba5dade34574798379ac54f0fa0cbea42158435ac
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SHA512
805a228b7f988d752a916c36847db41e8d9bcca6f1c6a24210b3aa443f083818915dbf7ba60e2af89cae8fa764dab1f077eb1a96eae9aeedafc456f3a6106c95
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
lightmusic12345@yandex.com - Password:
chibuike12345@@@@@
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
lightmusic12345@yandex.com - Password:
chibuike12345@@@@@
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/4056-2-0x0000000000400000-0x00000000004AC000-memory.dmp family_agenttesla behavioral2/memory/4056-3-0x00000000009A0000-0x00000000009F0000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral2/memory/4056-0-0x0000000000400000-0x00000000004AC000-memory.dmp upx behavioral2/memory/4056-1-0x0000000000400000-0x00000000004AC000-memory.dmp upx behavioral2/memory/4056-2-0x0000000000400000-0x00000000004AC000-memory.dmp upx -
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:
Face Masks&KN95.exedescription pid process target process PID 3924 set thread context of 4056 3924 Face Masks&KN95.exe Face Masks&KN95.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Face Masks&KN95.exeFace Masks&KN95.exepid process 3924 Face Masks&KN95.exe 3924 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe 4000 Face Masks&KN95.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Face Masks&KN95.exepid process 3924 Face Masks&KN95.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Face Masks&KN95.exedescription pid process Token: SeDebugPrivilege 4056 Face Masks&KN95.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
Face Masks&KN95.exedescription pid process target process PID 3924 wrote to memory of 4056 3924 Face Masks&KN95.exe Face Masks&KN95.exe PID 3924 wrote to memory of 4056 3924 Face Masks&KN95.exe Face Masks&KN95.exe PID 3924 wrote to memory of 4056 3924 Face Masks&KN95.exe Face Masks&KN95.exe PID 3924 wrote to memory of 4000 3924 Face Masks&KN95.exe Face Masks&KN95.exe PID 3924 wrote to memory of 4000 3924 Face Masks&KN95.exe Face Masks&KN95.exe PID 3924 wrote to memory of 4000 3924 Face Masks&KN95.exe Face Masks&KN95.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Face Masks&KN95.exe"C:\Users\Admin\AppData\Local\Temp\Face Masks&KN95.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Face Masks&KN95.exe"C:\Users\Admin\AppData\Local\Temp\Face Masks&KN95.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Face Masks&KN95.exe"C:\Users\Admin\AppData\Local\Temp\Face Masks&KN95.exe" 2 4056 354372⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4056-0-0x0000000000400000-0x00000000004AC000-memory.dmpFilesize
688KB
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memory/4056-1-0x0000000000400000-0x00000000004AC000-memory.dmpFilesize
688KB
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memory/4056-2-0x0000000000400000-0x00000000004AC000-memory.dmpFilesize
688KB
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memory/4056-3-0x00000000009A0000-0x00000000009F0000-memory.dmpFilesize
320KB
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memory/4056-4-0x0000000000A12000-0x0000000000A13000-memory.dmpFilesize
4KB