agenttesla | ee08bb40195e3f68a10bae8a2ba56faa85e9ba185a6155698bf2753e23f09c62

General

Target

Fwd bank details.exe
Size

701KB
MD5

84784fdb92f56f871978fc2138334abb
SHA1

9931a21ab800c6ea1482a7960398d84370a68d1a
SHA256

ee08bb40195e3f68a10bae8a2ba56faa85e9ba185a6155698bf2753e23f09c62
SHA512

39e67df24f949c2124f022dfee1da2f8bd0f947e40c4211940a7511b4410b9bb87a706e2db6619aa7e5927dbeb9ac5bb28c902f43ebe19c2def8fd4b9131445e
SSDEEP

12288:GqzGP7CRxd/Q3UablBz3sKFLftBsmGIj37kEFQhwVtqDSugDs+9t:bxSvxjG84EJtqDSu

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bosphoreqroup.com
Port:
587
Username:
[email protected]
Password:
password2022@
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fwd bank details.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fwd bank details.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fwd bank details.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe"	Fwd bank details.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1392 set thread context of 848	1392	Fwd bank details.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1392	Fwd bank details.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1392	Fwd bank details.exe
Token: SeDebugPrivilege	848	Fwd bank details.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 1096	1392	Fwd bank details.exe	27
PID 1392 wrote to memory of 1096	1392	Fwd bank details.exe	27
PID 1392 wrote to memory of 1096	1392	Fwd bank details.exe	27
PID 1392 wrote to memory of 1096	1392	Fwd bank details.exe	27
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28
PID 1392 wrote to memory of 848	1392	Fwd bank details.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fwd bank details.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Fwd bank details.exe

C:\Users\Admin\AppData\Local\Temp\Fwd bank details.exe
"C:\Users\Admin\AppData\Local\Temp\Fwd bank details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Users\Admin\AppData\Local\Temp\Fwd bank details.exe
  "C:\Users\Admin\AppData\Local\Temp\Fwd bank details.exe"
  2⤵
  PID:1096
- C:\Users\Admin\AppData\Local\Temp\Fwd bank details.exe
  "C:\Users\Admin\AppData\Local\Temp\Fwd bank details.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/848-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/848-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/848-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/848-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/848-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/848-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/848-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1392-55-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1392-54-0x0000000000EC0000-0x0000000000F76000-memory.dmp

Filesize
728KB

Download
memory/1392-59-0x0000000004760000-0x0000000004792000-memory.dmp

Filesize
200KB

Download
memory/1392-58-0x0000000005DF0000-0x0000000005E70000-memory.dmp

Filesize
512KB

Download
memory/1392-57-0x00000000004E0000-0x00000000004EC000-memory.dmp

Filesize
48KB

Download
memory/1392-56-0x0000000000460000-0x0000000000474000-memory.dmp

Filesize
80KB

Download

Analysis

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