agenttesla | b110273433c1a17c21badd8b03f2c45c3f4d5ce56d73fd9b731cb1540f7fc680

General

Target

updated soa.exe
Size

629KB
MD5

5b8bb77de4b565790d25e20914f96833
SHA1

887f1d65c14de3b709b6de81070e4e708fdfdc35
SHA256

b110273433c1a17c21badd8b03f2c45c3f4d5ce56d73fd9b731cb1540f7fc680
SHA512

9bbb45d3f80ef5cffba5a18ac6876f3b5b6bd1763810bad0dd07c121913cfb5ce01a8d6d8ee6c453d909e32222ea6b98ea12e8f7c2610d385fc9babb9d1891c5
SSDEEP

12288:WAncdOhxJ7evpTKKCGHOaDSJTUFN8V/c+i03zAJTEB:2dOGtvCiNgTuN8mS

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wecaresvc.com
Port:
587
Username:
[email protected]
Password:
u9367gk8qc
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated soa.exe
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated soa.exe
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated soa.exe

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-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\My App = "C:\\Users\\Admin\\AppData\\Roaming\\My App\\My App.exe"	updated soa.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 340 set thread context of 2740	340	updated soa.exe	30

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

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/Job

T1053

pid	Process
2296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
340	updated soa.exe
2740	updated soa.exe
2740	updated soa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	340	updated soa.exe
Token: SeDebugPrivilege	2740	updated soa.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 340 wrote to memory of 2296	340	updated soa.exe	28
PID 340 wrote to memory of 2296	340	updated soa.exe	28
PID 340 wrote to memory of 2296	340	updated soa.exe	28
PID 340 wrote to memory of 2296	340	updated soa.exe	28
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30
PID 340 wrote to memory of 2740	340	updated soa.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated soa.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	updated soa.exe

C:\Users\Admin\AppData\Local\Temp\updated soa.exe
"C:\Users\Admin\AppData\Local\Temp\updated soa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:340
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lKJJAZHcGPZYEl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E42.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2296
- C:\Users\Admin\AppData\Local\Temp\updated soa.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9E42.tmp

Filesize
1KB

MD5
71c3d73e7964b067418c6656646a1cbf

SHA1
4af00d8aa4fcd9fe0b47974291909f9a8c66bc34

SHA256
f8af42fbc17427ba139215e1f0a8bc296bd25b0d06f6b4e8ec5666a16d9cbe8e

SHA512
79da415e56912e555cce533dc2b28b0e37c937dc9a3b894f54d06d71c2eb0d74e03330f05e9425d3818a15a497452ba3f846ee021ffeee65cbb6a3671bfd363c

Download Submit
memory/340-28-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/340-0-0x0000000000AA0000-0x0000000000B44000-memory.dmp

Filesize
656KB

Download
memory/340-2-0x00000000049E0000-0x0000000004A20000-memory.dmp

Filesize
256KB

Download
memory/340-3-0x00000000005B0000-0x00000000005BC000-memory.dmp

Filesize
48KB

Download
memory/340-4-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/340-5-0x00000000049E0000-0x0000000004A20000-memory.dmp

Filesize
256KB

Download
memory/340-6-0x0000000001FB0000-0x0000000002012000-memory.dmp

Filesize
392KB

Download
memory/340-7-0x0000000004E10000-0x0000000004E8E000-memory.dmp

Filesize
504KB

Download
memory/340-8-0x0000000002070000-0x00000000020B2000-memory.dmp

Filesize
264KB

Download
memory/340-1-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-27-0x0000000004810000-0x0000000004850000-memory.dmp

Filesize
256KB

Download
memory/2740-26-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-30-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-31-0x0000000004810000-0x0000000004850000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads