agenttesla | b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3

General

Target

SOA 210523.exe
Size

689KB
MD5

e95931bd20db7e13562aba3b6dbb34ca
SHA1

fa930fba23a8b95b1aa011bbb52c748cd24e1471
SHA256

b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3
SHA512

7a3667af0b8edb24b47ed46f010e7bcca8999123fbf9ce4b98342ba3957a2c2d951610013186423e3c4d8f63f3a85d1f15ce229796d33a265b90ce9ef28c7052
SSDEEP

12288:ysIduv2iNfmFx2iqNhujGjUqwv3gnP25aaRH46jYeSDvnkTRe0Zk68LrB3:ysIduv1lmFxUEf68/4iY9DfQReT64B3

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
iebtzpacgzyullvo
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
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe

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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\YLcqPJe = "C:\\Users\\Admin\\AppData\\Roaming\\YLcqPJe\\YLcqPJe.exe"	SOA 210523.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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1532 set thread context of 548	1532	SOA 210523.exe	32

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

T1053

pid	Process
524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1532	SOA 210523.exe
1532	SOA 210523.exe
1652	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	SOA 210523.exe
Token: SeDebugPrivilege	548	SOA 210523.exe
Token: SeDebugPrivilege	1652	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1652	1532	SOA 210523.exe	28
PID 1532 wrote to memory of 1652	1532	SOA 210523.exe	28
PID 1532 wrote to memory of 1652	1532	SOA 210523.exe	28
PID 1532 wrote to memory of 1652	1532	SOA 210523.exe	28
PID 1532 wrote to memory of 524	1532	SOA 210523.exe	30
PID 1532 wrote to memory of 524	1532	SOA 210523.exe	30
PID 1532 wrote to memory of 524	1532	SOA 210523.exe	30
PID 1532 wrote to memory of 524	1532	SOA 210523.exe	30
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32
PID 1532 wrote to memory of 548	1532	SOA 210523.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA 210523.exe

C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe
"C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rVlKlic.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1652
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rVlKlic" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFA1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:524
- C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA 210523.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

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\tmpAFA1.tmp

Filesize
1KB

MD5
2d1d3d8daca9db39af215f3845a15b3f

SHA1
512430a560a17ccc52aada2b34baf013ec561aca

SHA256
b1764752fd03eacfc50a92ce3eb5c0c9397f9eee055be496aeee4f02749c247b

SHA512
9cc3512550e35b95c58b6e51db9f395b1d51e4135e3ff008eea1e44dd348a93128dcf60eda1dedec2f8b4061cc290816c9cf51170f9d741043289ca73f6ab291

Download Submit
memory/548-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/548-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/548-97-0x0000000004A90000-0x0000000004AD0000-memory.dmp

Filesize
256KB

Download
memory/548-78-0x0000000004A90000-0x0000000004AD0000-memory.dmp

Filesize
256KB

Download
memory/548-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/548-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/548-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/548-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/548-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/548-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1532-56-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/1532-54-0x0000000000AF0000-0x0000000000BA2000-memory.dmp

Filesize
712KB

Download
memory/1532-65-0x0000000004F90000-0x0000000004FC2000-memory.dmp

Filesize
200KB

Download
memory/1532-55-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download
memory/1532-59-0x0000000004DD0000-0x0000000004E3C000-memory.dmp

Filesize
432KB

Download
memory/1532-58-0x0000000000A80000-0x0000000000A8A000-memory.dmp

Filesize
40KB

Download
memory/1532-57-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads