Analysis
- max time kernel
110s - max time network
143s - platform
windows10_x64 - resource
win10 - submitted
31/07/2020, 12:09
Static task
static1
Behavioral task
behavioral1
Sample
Scan copy.exe
Resource
win7v200722
0 signatures
0 seconds
General
- Target Scan copy.exe
- Size 713KB
- Sample200731-plr8973vna
- SHA256 367d1fd29045416d80d3b22efd7b0684601c184ea06cbeffad5b4562fcee0533
- MD5 b37a3016b2fb1df22add405547e396ce
- SHA1 847d2b7aed218dca73e1664db8c6280d72aa355d
- SHA512 a223073e384ced1f69325571093975b6eab290d3ae553fb9b4a6d440951dd3671697d16e5904063b6aa4f82f33f497de873420f3b08d7371b860717841af5af4
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Simple262627
Signatures
- Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3692 Scan copy.exe 3692 Scan copy.exe 4040 Scan copy.exe 4040 Scan copy.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3692 wrote to memory of 4040 3692 Scan copy.exe 67 PID 3692 wrote to memory of 4040 3692 Scan copy.exe 67 PID 3692 wrote to memory of 4040 3692 Scan copy.exe 67 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4040 Scan copy.exe -
resource yara_rule behavioral2/memory/4040-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/4040-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/4040-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/4040-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/4040-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/4040-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts Scan copy.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3692 Scan copy.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3692 set thread context of 4040 3692 Scan copy.exe 67 -
resource yara_rule behavioral2/memory/4040-1-0x00000000004A2630-mapping.dmp agent_tesla behavioral2/memory/4040-3-0x0000000000400000-0x00000000004A4000-memory.dmp agent_tesla behavioral2/memory/4040-3-0x0000000000400000-0x00000000004A4000-memory.dmp agent_tesla behavioral2/memory/4040-4-0x00000000006B0000-0x00000000006FC000-memory.dmp agent_tesla behavioral2/memory/4040-4-0x00000000006B0000-0x00000000006FC000-memory.dmp agent_tesla - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Scan copy.exe"C:\Users\Admin\AppData\Local\Temp\Scan copy.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
PID:3692 -
C:\Users\Admin\AppData\Local\Temp\Scan copy.exe"C:\Users\Admin\AppData\Local\Temp\Scan copy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Drops file in Drivers directory
PID:4040
-