agenttesla | c48351300bbb0c3615e445d9bef22ae9aa728f7975f62ab49d3a47bfaacd8eaf

General

Target

file.exe
Size

700KB
MD5

ce362b6095b1104c8e5bc8a1016be25f
SHA1

f5af55f5aeeb24186fab69d3ca73ebddd31dd1ed
SHA256

c48351300bbb0c3615e445d9bef22ae9aa728f7975f62ab49d3a47bfaacd8eaf
SHA512

693a75a075eed7b4f0bafd70381127ed44254943b79d85d544cfb4fccc2ea200deb619a4073cba652d65276af2150bca1470d6c2f4e216cef213f8bb17df7f41
SSDEEP

12288:WdAMTihh6xhZ6OrEm0zGg+dH8pHAKTqHeJaWneb6LGjTYJKE7Vky2:DMUgh8yEmvg+dH8pg5HeJaAebmGjTYcR

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5635409590:AAHInAR4dWLcsUes3TU8Nj2UQrEubKrXKLs/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.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 1488 set thread context of 1028	1488	file.exe	31

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
1756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
1488	file.exe
580	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	file.exe
Token: SeDebugPrivilege	1028	file.exe
Token: SeDebugPrivilege	580	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 580	1488	file.exe	27
PID 1488 wrote to memory of 580	1488	file.exe	27
PID 1488 wrote to memory of 580	1488	file.exe	27
PID 1488 wrote to memory of 580	1488	file.exe	27
PID 1488 wrote to memory of 1756	1488	file.exe	29
PID 1488 wrote to memory of 1756	1488	file.exe	29
PID 1488 wrote to memory of 1756	1488	file.exe	29
PID 1488 wrote to memory of 1756	1488	file.exe	29
PID 1488 wrote to memory of 1028	1488	file.exe	31
PID 1488 wrote to memory of 1028	1488	file.exe	31
PID 1488 wrote to memory of 1028	1488	file.exe	31
PID 1488 wrote to memory of 1028	1488	file.exe	31
PID 1488 wrote to memory of 1028	1488	file.exe	31
PID 1488 wrote to memory of 1028	1488	file.exe	31
PID 1488 wrote to memory of 1028	1488	file.exe	31
PID 1488 wrote to memory of 1028	1488	file.exe	31
PID 1488 wrote to memory of 1028	1488	file.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZAPqEBovL.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:580
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZAPqEBovL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5275.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1756
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

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\tmp5275.tmp

Filesize
1KB

MD5
0c176fb8c4288abcfea8c86eea4a718e

SHA1
e4ea22cd11847e1f54e044340a892af16f914f6c

SHA256
8ea2e384f40f9c786ea11c89a344dd2b8b2f007cb39fdf57def88600585e5f2c

SHA512
6fbb1345834d106e717696e3f03b9852756c206ffa1c91c83723be13314d71ba08c41174c126adadb8b767c4b3524777b6d093be94763b92d751070d87e4bd5b

Download Submit
memory/580-79-0x0000000002550000-0x0000000002590000-memory.dmp

Filesize
256KB

Download
memory/1028-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1028-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1028-97-0x0000000004E50000-0x0000000004E90000-memory.dmp

Filesize
256KB

Download
memory/1028-78-0x0000000004E50000-0x0000000004E90000-memory.dmp

Filesize
256KB

Download
memory/1028-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1028-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1028-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1028-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1028-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1028-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1488-54-0x0000000000DE0000-0x0000000000E94000-memory.dmp

Filesize
720KB

Download
memory/1488-67-0x0000000004770000-0x00000000047A2000-memory.dmp

Filesize
200KB

Download
memory/1488-56-0x0000000000560000-0x0000000000574000-memory.dmp

Filesize
80KB

Download
memory/1488-57-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

Filesize
256KB

Download
memory/1488-59-0x0000000000D20000-0x0000000000D8A000-memory.dmp

Filesize
424KB

Download
memory/1488-55-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

Filesize
256KB

Download
memory/1488-58-0x0000000000600000-0x000000000060C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads