agenttesla | 234324edb8c37ebf39511742e738efe114b74e9f870041fe2fa914ab93f6c55f

General

Target

89c904361df19a2a17249e11d8af8c5e.exe
Size

542KB
MD5

89c904361df19a2a17249e11d8af8c5e
SHA1

1645a5d0af6c3d9b61c51887832273246724d402
SHA256

234324edb8c37ebf39511742e738efe114b74e9f870041fe2fa914ab93f6c55f
SHA512

63b9624845bebcd8d70eb0deae3f96187b433b2e2a352ee34a00605e3d6318dc5ec48ff288862f07855230ad9e50195049146541385cadd1ac30422103d60068
SSDEEP

12288:3wH8x3ti5M5lQ6o5wwjXqAo6Gmtbwr2I:3wcx3w65u66u055I

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1672292609:AAFOQ1wnC9bCfDnsgfgHGBDCleHSmFEu_0k/sendDocument

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/1952-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1952-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1952-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1952-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1952-20-0x0000000000400000-0x000000000043C000-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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	89c904361df19a2a17249e11d8af8c5e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	89c904361df19a2a17249e11d8af8c5e.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	89c904361df19a2a17249e11d8af8c5e.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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\winfiles = "C:\\Users\\Admin\\AppData\\Roaming\\winfiles\\winfiles.exe"	89c904361df19a2a17249e11d8af8c5e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1952	89c904361df19a2a17249e11d8af8c5e.exe
1952	89c904361df19a2a17249e11d8af8c5e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	89c904361df19a2a17249e11d8af8c5e.exe
Token: SeDebugPrivilege	1952	89c904361df19a2a17249e11d8af8c5e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1952	89c904361df19a2a17249e11d8af8c5e.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28
PID 2296 wrote to memory of 1952	2296	89c904361df19a2a17249e11d8af8c5e.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	89c904361df19a2a17249e11d8af8c5e.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	89c904361df19a2a17249e11d8af8c5e.exe

C:\Users\Admin\AppData\Local\Temp\89c904361df19a2a17249e11d8af8c5e.exe
"C:\Users\Admin\AppData\Local\Temp\89c904361df19a2a17249e11d8af8c5e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\89c904361df19a2a17249e11d8af8c5e.exe
  "C:\Users\Admin\AppData\Local\Temp\89c904361df19a2a17249e11d8af8c5e.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1952

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

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1952-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1952-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1952-27-0x0000000000750000-0x0000000000790000-memory.dmp

Filesize
256KB

Download
memory/1952-26-0x0000000000750000-0x0000000000790000-memory.dmp

Filesize
256KB

Download
memory/1952-25-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/1952-23-0x0000000000750000-0x0000000000790000-memory.dmp

Filesize
256KB

Download
memory/1952-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1952-22-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/1952-28-0x0000000000750000-0x0000000000790000-memory.dmp

Filesize
256KB

Download
memory/1952-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1952-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1952-14-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1952-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1952-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2296-5-0x00000000089C0000-0x0000000008A02000-memory.dmp

Filesize
264KB

Download
memory/2296-21-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2296-0-0x0000000000D20000-0x0000000000DAE000-memory.dmp

Filesize
568KB

Download
memory/2296-4-0x0000000004BE0000-0x0000000004C20000-memory.dmp

Filesize
256KB

Download
memory/2296-3-0x0000000004BE0000-0x0000000004C20000-memory.dmp

Filesize
256KB

Download
memory/2296-2-0x0000000004BE0000-0x0000000004C20000-memory.dmp

Filesize
256KB

Download
memory/2296-1-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads