agenttesla | da2583a529827b15b05b18370fe5f8bab878fdd0c78e4fde91e2e5c5b476930f

General

Target

034b8ed08edfa130c4753550d7aea9bd.exe
Size

796KB
MD5

034b8ed08edfa130c4753550d7aea9bd
SHA1

7efd865efe47e8f2665cf5bdc4556be769ea998f
SHA256

da2583a529827b15b05b18370fe5f8bab878fdd0c78e4fde91e2e5c5b476930f
SHA512

52aa0c025d57399f0024d792918da946b87371b62519e1ef0e7098cc68fddb27bb6c312eccccf246fe2079584b61b2bec7d3ef6f4ce021a4042db9e7485b1368
SSDEEP

24576:CvrroA8+PzWh7/wAUEcgGtOz23v9MNjd:wr4+qh//4Oz2/Kh

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.spamora.net
Port:
587
Username:
[email protected]
Password:
Emotion22

Signatures

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

AgentTesla payload 7 IoCs

resource	yara_rule
behavioral1/memory/2180-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2180-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2180-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2180-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2180-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2180-25-0x0000000004B70000-0x0000000004BB0000-memory.dmp	family_agenttesla
behavioral1/memory/2180-30-0x0000000004B70000-0x0000000004BB0000-memory.dmp	family_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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	034b8ed08edfa130c4753550d7aea9bd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	034b8ed08edfa130c4753550d7aea9bd.exe
Key opened	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	034b8ed08edfa130c4753550d7aea9bd.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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\MLdAu = "C:\\Users\\Admin\\AppData\\Roaming\\MLdAu\\MLdAu.exe"	034b8ed08edfa130c4753550d7aea9bd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.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
2916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2196	034b8ed08edfa130c4753550d7aea9bd.exe
2180	034b8ed08edfa130c4753550d7aea9bd.exe
2180	034b8ed08edfa130c4753550d7aea9bd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	034b8ed08edfa130c4753550d7aea9bd.exe
Token: SeDebugPrivilege	2180	034b8ed08edfa130c4753550d7aea9bd.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2916	2196	034b8ed08edfa130c4753550d7aea9bd.exe	28
PID 2196 wrote to memory of 2916	2196	034b8ed08edfa130c4753550d7aea9bd.exe	28
PID 2196 wrote to memory of 2916	2196	034b8ed08edfa130c4753550d7aea9bd.exe	28
PID 2196 wrote to memory of 2916	2196	034b8ed08edfa130c4753550d7aea9bd.exe	28
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30
PID 2196 wrote to memory of 2180	2196	034b8ed08edfa130c4753550d7aea9bd.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	034b8ed08edfa130c4753550d7aea9bd.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	034b8ed08edfa130c4753550d7aea9bd.exe

C:\Users\Admin\AppData\Local\Temp\034b8ed08edfa130c4753550d7aea9bd.exe
"C:\Users\Admin\AppData\Local\Temp\034b8ed08edfa130c4753550d7aea9bd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mdwSETuWz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBEDC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2916
- C:\Users\Admin\AppData\Local\Temp\034b8ed08edfa130c4753550d7aea9bd.exe
  "C:\Users\Admin\AppData\Local\Temp\034b8ed08edfa130c4753550d7aea9bd.exe"
  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:2180

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\tmpBEDC.tmp

Filesize
1KB

MD5
3f5741e41fd645ee2fd493dab6e24259

SHA1
7eb23a18e9fce0960da84a418a2775854e58053e

SHA256
a46c21bff60d439be4f85b1bb198c98dffe441bee4a7255831cfe1e45ba9d245

SHA512
e6b33a3de660e27b0c12103a10e61cce254e4f3139d59223b830b95684fe41a0ba8b73113c8e23e7fbd35f299f2978fa09285cca56eb180b4ef59718d48736c4

Download Submit
C:\Users\Admin\AppData\Roaming\MLdAu\MLdAu.exe

Filesize
796KB

MD5
034b8ed08edfa130c4753550d7aea9bd

SHA1
7efd865efe47e8f2665cf5bdc4556be769ea998f

SHA256
da2583a529827b15b05b18370fe5f8bab878fdd0c78e4fde91e2e5c5b476930f

SHA512
52aa0c025d57399f0024d792918da946b87371b62519e1ef0e7098cc68fddb27bb6c312eccccf246fe2079584b61b2bec7d3ef6f4ce021a4042db9e7485b1368

Download Submit
memory/2180-25-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download
memory/2180-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2180-31-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download
memory/2180-30-0x0000000004B70000-0x0000000004BB0000-memory.dmp

Filesize
256KB

Download
memory/2180-29-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-24-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2180-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2180-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2180-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2180-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2180-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2180-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2196-2-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/2196-3-0x0000000000460000-0x000000000047A000-memory.dmp

Filesize
104KB

Download
memory/2196-7-0x0000000000C70000-0x0000000000CAE000-memory.dmp

Filesize
248KB

Download
memory/2196-0-0x0000000001110000-0x00000000011DE000-memory.dmp

Filesize
824KB

Download
memory/2196-26-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-1-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-6-0x0000000004F80000-0x0000000005018000-memory.dmp

Filesize
608KB

Download
memory/2196-5-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/2196-4-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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