agenttesla | 09a689c3c1ed6f1dd6435f5bbcc3a551e235601df2d7aeed62f4c929130e3b92

General

Target

invoice.exe
Size

723KB
MD5

ae8c49c22dcbdcaea20d04cbfb025434
SHA1

64490e2cad80df58826cc8b16eb7d60e566adf20
SHA256

79be27cc01dff23ea33f9bf4feac56bc3a66696e7a0607ebb97705f9bb47e6aa
SHA512

751334f58194bfa03a8fd5e6a2c9cb9ee5e6a77488cb0c8786e77679421e8fab81f3e4328b4f2234b35622a45d93af02a01799c53166ea1bc1c73f04190bab37
SSDEEP

12288:ss0pei36RPW988TadON2YNBO6wU18SxZ++AOwUkvlzIv+eig7hTnYOZdGfcu/:svpp36J9pYXO61h+UkIXi8hEOZcck

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ipr-co.org
Port:
587
Username:
[email protected]
Password:
IPRco@100102@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	invoice.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2352 set thread context of 2220	2352	invoice.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2220	invoice.exe
2220	invoice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	invoice.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2220	invoice.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2220	2352	invoice.exe	29
PID 2352 wrote to memory of 2220	2352	invoice.exe	29
PID 2352 wrote to memory of 2220	2352	invoice.exe	29
PID 2352 wrote to memory of 2220	2352	invoice.exe	29
PID 2352 wrote to memory of 2220	2352	invoice.exe	29
PID 2352 wrote to memory of 2220	2352	invoice.exe	29
PID 2352 wrote to memory of 2220	2352	invoice.exe	29
PID 2352 wrote to memory of 2220	2352	invoice.exe	29
PID 2352 wrote to memory of 2220	2352	invoice.exe	29

C:\Users\Admin\AppData\Local\Temp\invoice.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2220-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2220-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2220-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2220-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2220-20-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2220-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2220-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2220-18-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-22-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2352-5-0x00000000008D0000-0x00000000008E0000-memory.dmp

Filesize
64KB

Download
memory/2352-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/2352-19-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2352-2-0x0000000074A70000-0x000000007515E000-memory.dmp

Filesize
6.9MB

Download
memory/2352-6-0x000000000D4F0000-0x000000000D574000-memory.dmp

Filesize
528KB

Download
memory/2352-1-0x0000000000810000-0x00000000008CA000-memory.dmp

Filesize
744KB

Download
memory/2352-4-0x00000000004E0000-0x00000000004EC000-memory.dmp

Filesize
48KB

Download
memory/2352-3-0x0000000000990000-0x00000000009B2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads