Analysis
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max time kernel
141s -
max time network
15s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
27-01-2021 14:16
Static task
static1
Behavioral task
behavioral1
Sample
njGJ1eW44wshoMr.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
njGJ1eW44wshoMr.exe
Resource
win10v20201028
General
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Target
njGJ1eW44wshoMr.exe
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Size
812KB
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MD5
3642d5bf033629d0a716fff2c17125b2
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SHA1
47993d2f980a7c3de204b008618c9b4c25511a49
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SHA256
c7af68bcec3b1c2e3a87f08111ab75b525799c5386fa85b529f8690bfa1c766a
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SHA512
d0539565dbd492ed31b00accab13a629f2535fe9d3123e90038fb55591a079d9ddc0e9f7fde493cdb49621f50901283e0d8a8343617089519b0cac57b9eda4d0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.cefortem.cat - Port:
587 - Username:
[email protected] - Password:
Vft284Rpyn
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1456-8-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1456-9-0x00000000004374DE-mapping.dmp family_agenttesla behavioral1/memory/1456-11-0x0000000000400000-0x000000000043C000-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
njGJ1eW44wshoMr.exedescription pid process target process PID 1752 set thread context of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
njGJ1eW44wshoMr.exenjGJ1eW44wshoMr.exepid process 1752 njGJ1eW44wshoMr.exe 1456 njGJ1eW44wshoMr.exe 1456 njGJ1eW44wshoMr.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
njGJ1eW44wshoMr.exenjGJ1eW44wshoMr.exedescription pid process Token: SeDebugPrivilege 1752 njGJ1eW44wshoMr.exe Token: SeDebugPrivilege 1456 njGJ1eW44wshoMr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
njGJ1eW44wshoMr.exepid process 1456 njGJ1eW44wshoMr.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
njGJ1eW44wshoMr.exedescription pid process target process PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe PID 1752 wrote to memory of 1456 1752 njGJ1eW44wshoMr.exe njGJ1eW44wshoMr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\njGJ1eW44wshoMr.exe"C:\Users\Admin\AppData\Local\Temp\njGJ1eW44wshoMr.exe"1⤵
- 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\njGJ1eW44wshoMr.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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memory/1456-8-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1456-9-0x00000000004374DE-mapping.dmp
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memory/1456-10-0x00000000741E0000-0x00000000748CE000-memory.dmpFilesize
6.9MB
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memory/1456-11-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1456-13-0x0000000004970000-0x0000000004971000-memory.dmpFilesize
4KB
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memory/1456-14-0x0000000004971000-0x0000000004972000-memory.dmpFilesize
4KB
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memory/1752-2-0x00000000741E0000-0x00000000748CE000-memory.dmpFilesize
6.9MB
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memory/1752-3-0x0000000000260000-0x0000000000261000-memory.dmpFilesize
4KB
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memory/1752-5-0x0000000004EB0000-0x0000000004EB1000-memory.dmpFilesize
4KB
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memory/1752-6-0x0000000000330000-0x0000000000334000-memory.dmpFilesize
16KB
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memory/1752-7-0x00000000055F0000-0x0000000005647000-memory.dmpFilesize
348KB