Analysis
- max time kernel
88s - max time network
75s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:49
Static task
static1
Behavioral task
behavioral1
Sample
Sample#4078534.Scan..exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Sample#4078534.Scan..exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target Sample#4078534.Scan..exe
- Size 569KB
- Sample201109-nr9em2ebca
- SHA256 32b3caca6ecd61d90d09dec0ca94621e8733723c3df41ea63705b740a298e496
- MD5 e94a881b2e64dee4f530686adb71449b
- SHA1 46724641eea55768ab10030a67dc644686dd70cc
- SHA512 450bf5fa8626b67801325540f0cfa3b1d3b232ab989b3ff516e87e1e58dec43869d5b7244abc52cde234a3f12fab97d232caf64905bf724f30e090de36e57a22
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.flavarich.com
-
Port
587
-
Username
-
Password
ume123fla@@22
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.flavarich.com
-
Port
587
-
Username
-
Password
ume123fla@@22
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3628-2-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral2/memory/3628-3-0x000000000044B59E-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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1112 set thread context of 3628 1112 Sample#4078534.Scan..exe 81 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 644 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3628 Sample#4078534.Scan..exe 3628 Sample#4078534.Scan..exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3628 Sample#4078534.Scan..exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3628 Sample#4078534.Scan..exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1112 wrote to memory of 644 1112 Sample#4078534.Scan..exe 79 PID 1112 wrote to memory of 644 1112 Sample#4078534.Scan..exe 79 PID 1112 wrote to memory of 644 1112 Sample#4078534.Scan..exe 79 PID 1112 wrote to memory of 3628 1112 Sample#4078534.Scan..exe 81 PID 1112 wrote to memory of 3628 1112 Sample#4078534.Scan..exe 81 PID 1112 wrote to memory of 3628 1112 Sample#4078534.Scan..exe 81 PID 1112 wrote to memory of 3628 1112 Sample#4078534.Scan..exe 81 PID 1112 wrote to memory of 3628 1112 Sample#4078534.Scan..exe 81 PID 1112 wrote to memory of 3628 1112 Sample#4078534.Scan..exe 81 PID 1112 wrote to memory of 3628 1112 Sample#4078534.Scan..exe 81 PID 1112 wrote to memory of 3628 1112 Sample#4078534.Scan..exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\Sample#4078534.Scan..exe"C:\Users\Admin\AppData\Local\Temp\Sample#4078534.Scan..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wkosNW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD96.tmp"2⤵
- Creates scheduled task(s)
PID:644
-
-
C:\Users\Admin\AppData\Local\Temp\Sample#4078534.Scan..exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3628
-