agenttesla | 723071d4e54bdfd50d7ca47b02f67ea70aa59ddffbab36d8dbc5eadfd4b799be

General

Target
MV TBN Particulars.exe
Size 496KB
Sample200818-ghdzxdd51a
SHA256 723071d4e54bdfd50d7ca47b02f67ea70aa59ddffbab36d8dbc5eadfd4b799be
MD5 d7c813de0b85c15272b12a2b259fb8fb
SHA1 eb9435c577744121a4cff8da6ece59de10826b2e
SHA512 5924819159454ed07ec936875d8de6209eeac4f463e6b3f22ce44cdca779bfc47c3830df674c80809611dbd5319ecec774feff59a760f887072af5273e4b23b6
MD5 SHA1 SHA512

Score

10^/10

Family

Credentials

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/796-8-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/796-9-0x00000000004610EE-mapping.dmp	family_agenttesla
behavioral1/memory/796-11-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/796-12-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\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 1032 set thread context of 796	1032	MV TBN Particulars.exe	26

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
1524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1032	MV TBN Particulars.exe
Token: SeDebugPrivilege	796	MV TBN Particulars.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
796	MV TBN Particulars.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 1524	1032	MV TBN Particulars.exe	24
PID 1032 wrote to memory of 1524	1032	MV TBN Particulars.exe	24
PID 1032 wrote to memory of 1524	1032	MV TBN Particulars.exe	24
PID 1032 wrote to memory of 1524	1032	MV TBN Particulars.exe	24
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26
PID 1032 wrote to memory of 796	1032	MV TBN Particulars.exe	26

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:1032
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wPKcFNg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA49.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1524
- 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:796