Analysis
- max time kernel
114s - max time network
105s - platform
windows10_x64 - resource
win10v200722 - submitted
18/08/2020, 19:46
Static task
static1
Behavioral task
behavioral1
Sample
MV TBN Particulars.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
MV TBN Particulars.exe
Resource
win10v200722
0 signatures
0 seconds
General
- Target MV TBN Particulars.exe
- Size 496KB
- Sample200818-ghdzxdd51a
- SHA256 723071d4e54bdfd50d7ca47b02f67ea70aa59ddffbab36d8dbc5eadfd4b799be
- MD5 d7c813de0b85c15272b12a2b259fb8fb
- SHA1 eb9435c577744121a4cff8da6ece59de10826b2e
- SHA512 5924819159454ed07ec936875d8de6209eeac4f463e6b3f22ce44cdca779bfc47c3830df674c80809611dbd5319ecec774feff59a760f887072af5273e4b23b6
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.conshipping.ro
-
Port
587
-
Username
-
Password
conshipping13579
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/2660-12-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral2/memory/2660-13-0x00000000004610EE-mapping.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run\LYerGK = "C:\\Users\\Admin\\AppData\\Roaming\\LYerGK\\LYerGK.exe" MV TBN Particulars.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3952 set thread context of 2660 3952 MV TBN Particulars.exe 74 - 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 2752 schtasks.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3952 MV TBN Particulars.exe 3952 MV TBN Particulars.exe 3952 MV TBN Particulars.exe 2660 MV TBN Particulars.exe 2660 MV TBN Particulars.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3952 MV TBN Particulars.exe Token: SeDebugPrivilege 2660 MV TBN Particulars.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2660 MV TBN Particulars.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3952 wrote to memory of 2752 3952 MV TBN Particulars.exe 72 PID 3952 wrote to memory of 2752 3952 MV TBN Particulars.exe 72 PID 3952 wrote to memory of 2752 3952 MV TBN Particulars.exe 72 PID 3952 wrote to memory of 2660 3952 MV TBN Particulars.exe 74 PID 3952 wrote to memory of 2660 3952 MV TBN Particulars.exe 74 PID 3952 wrote to memory of 2660 3952 MV TBN Particulars.exe 74 PID 3952 wrote to memory of 2660 3952 MV TBN Particulars.exe 74 PID 3952 wrote to memory of 2660 3952 MV TBN Particulars.exe 74 PID 3952 wrote to memory of 2660 3952 MV TBN Particulars.exe 74 PID 3952 wrote to memory of 2660 3952 MV TBN Particulars.exe 74 PID 3952 wrote to memory of 2660 3952 MV TBN Particulars.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\MV TBN Particulars.exe"C:\Users\Admin\AppData\Local\Temp\MV TBN Particulars.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wPKcFNg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp24A5.tmp"2⤵
- Creates scheduled task(s)
PID:2752
-
-
C:\Users\Admin\AppData\Local\Temp\MV TBN Particulars.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2660
-