agenttesla | 9e31962b8b6fd5551b4fcc57ce233a204d72b4116bd5ca59dbb5d62dca1ec76e

General

Target
New Order 1457.exe
Size 579KB
Sample201109-hdf5ymm1ge
SHA256 9e31962b8b6fd5551b4fcc57ce233a204d72b4116bd5ca59dbb5d62dca1ec76e
MD5 4b605ed8c58926def87d9d23292d9212
SHA1 21567642804cffb1861889f03c71650a02ff1ccc
SHA512 8bf330e5241c1e8fdd0dc62a9370291575b12c29689b961a301edef750fcf8e83d0fe78431aa1f59aae0917e4f02f34c8d0f5705906b6f3a13c190bfa182a5b1
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.sridurgaagros.com
Port
587
Username
[email protected]
Password
@Hammer75

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1348-17-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral2/memory/1348-18-0x000000000044B05E-mapping.dmp	family_agenttesla

rezer0 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

resource	yara_rule
behavioral2/memory/3492-14-0x00000000069B0000-0x0000000006A01000-memory.dmp	rezer0

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	New Order 1457.exe

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

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\ARevKB = "C:\\Users\\Admin\\AppData\\Roaming\\ARevKB\\ARevKB.exe"	New Order 1457.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3492 set thread context of 1348	3492	New Order 1457.exe	79

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.

persistence

Scheduled Task

T1053

pid	Process
4016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3492	New Order 1457.exe
3492	New Order 1457.exe
3492	New Order 1457.exe
3492	New Order 1457.exe
3492	New Order 1457.exe
3492	New Order 1457.exe
3492	New Order 1457.exe
3492	New Order 1457.exe
1348	New Order 1457.exe
1348	New Order 1457.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1348	New Order 1457.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3492	New Order 1457.exe
Token: SeDebugPrivilege	1348	New Order 1457.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1348	New Order 1457.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 4016	3492	New Order 1457.exe	75
PID 3492 wrote to memory of 4016	3492	New Order 1457.exe	75
PID 3492 wrote to memory of 4016	3492	New Order 1457.exe	75
PID 3492 wrote to memory of 2716	3492	New Order 1457.exe	77
PID 3492 wrote to memory of 2716	3492	New Order 1457.exe	77
PID 3492 wrote to memory of 2716	3492	New Order 1457.exe	77
PID 3492 wrote to memory of 2012	3492	New Order 1457.exe	78
PID 3492 wrote to memory of 2012	3492	New Order 1457.exe	78
PID 3492 wrote to memory of 2012	3492	New Order 1457.exe	78
PID 3492 wrote to memory of 1348	3492	New Order 1457.exe	79
PID 3492 wrote to memory of 1348	3492	New Order 1457.exe	79
PID 3492 wrote to memory of 1348	3492	New Order 1457.exe	79
PID 3492 wrote to memory of 1348	3492	New Order 1457.exe	79
PID 3492 wrote to memory of 1348	3492	New Order 1457.exe	79
PID 3492 wrote to memory of 1348	3492	New Order 1457.exe	79
PID 3492 wrote to memory of 1348	3492	New Order 1457.exe	79
PID 3492 wrote to memory of 1348	3492	New Order 1457.exe	79
PID 1348 wrote to memory of 1712	1348	New Order 1457.exe	83
PID 1348 wrote to memory of 1712	1348	New Order 1457.exe	83
PID 1348 wrote to memory of 1712	1348	New Order 1457.exe	83

C:\Users\Admin\AppData\Local\Temp\New Order 1457.exe
"C:\Users\Admin\AppData\Local\Temp\New Order 1457.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qewfGOucIBBbq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp579B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4016
- C:\Users\Admin\AppData\Local\Temp\New Order 1457.exe
  "{path}"
  2⤵
  PID:2716
- C:\Users\Admin\AppData\Local\Temp\New Order 1457.exe
  "{path}"
  2⤵
  PID:2012
- C:\Users\Admin\AppData\Local\Temp\New Order 1457.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1712