agenttesla | 71aebecb72a2f1da69501437a4f77de95eac842a4439df68e66bf2a792c0d5d6

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 15:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
tems.exe
Size 1014KB
Sample240419-srbhsaff68
SHA256 71aebecb72a2f1da69501437a4f77de95eac842a4439df68e66bf2a792c0d5d6
MD5 6b3fa7db5c683ef540f54032a6e66969
SHA1 7f67b47a196163d7c4a5827c944fb8b45e30aef0
SHA512 cefcd47718bfba0ab57d7c50900704da19ae2433afdfe662269cc8b60f5ca170be737594a21c3f40aaa59b978f3a25c48bd5e8e25e9e21d8f46df386b5a859ee
SSDEEP 24576:WAHnh+eWsN3skA4RV1Hom2KXMmHaxtIq2mAbVfMA+Xw5:xh+ZkldoPK8Yax6mEfMVG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.cash4cars.nz
Port
587
Username
[email protected]
Password
logs2024!
Email to
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1972 set thread context of 2444	1972	tems.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2484	1972	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2444	RegSvcs.exe
2444	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1972	tems.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1972	tems.exe
1972	tems.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1972	tems.exe
1972	tems.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2444	1972	tems.exe	28
PID 1972 wrote to memory of 2444	1972	tems.exe	28
PID 1972 wrote to memory of 2444	1972	tems.exe	28
PID 1972 wrote to memory of 2444	1972	tems.exe	28
PID 1972 wrote to memory of 2444	1972	tems.exe	28
PID 1972 wrote to memory of 2444	1972	tems.exe	28
PID 1972 wrote to memory of 2444	1972	tems.exe	28
PID 1972 wrote to memory of 2444	1972	tems.exe	28
PID 1972 wrote to memory of 2484	1972	tems.exe	29
PID 1972 wrote to memory of 2484	1972	tems.exe	29
PID 1972 wrote to memory of 2484	1972	tems.exe	29
PID 1972 wrote to memory of 2484	1972	tems.exe	29

C:\Users\Admin\AppData\Local\Temp\tems.exe
"C:\Users\Admin\AppData\Local\Temp\tems.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\tems.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 316
  2⤵
  - Program crash
  PID:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1972-10-0x00000000005E0000-0x00000000005E4000-memory.dmp

Download

memory/2444-11-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2444-13-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2444-15-0x0000000000400000-0x0000000000442000-memory.dmp

Download

memory/2444-16-0x0000000074A60000-0x000000007514E000-memory.dmp

Download

memory/2444-17-0x0000000004B10000-0x0000000004B50000-memory.dmp

Download

memory/2444-19-0x0000000074A60000-0x000000007514E000-memory.dmp

Download

memory/2444-20-0x0000000004B10000-0x0000000004B50000-memory.dmp

Download