agenttesla | 341c577082740e45bd8cd65b44cef857b80f864dbaf4f5c77d7c1b0756265b1d

General

Target

PCA9626B,118.exe
Size

866KB
MD5

cb9e1d1bbe47f48fc4e5160f7ad601da
SHA1

1ff552e59a6d88d7600130113f88a75e4f88c8cc
SHA256

77529cc504690e79a72680d72b42be8f021f5b2799fbce50bed59637dc4aa5b2
SHA512

cdda2bc4607929f0a89566ac5dc0234e8140e0698a467922434724d50d76c9436ff7bfc141f2f469efeb85bbe239a487412fd059c5d44129473f70176adb8286
SSDEEP

24576:uHf2Uol0ge2X7EXMuYcXrcMt/nzzGcXNyIEikE:uHfql0IL6MuYcXL/zzGcX7w

Score

10^/10

agenttesla credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.medicalhome.com.pe
Port:
587
Username:
[email protected]
Password:
MHinfo01
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\GrOcCQC = "C:\\Users\\Admin\\AppData\\Roaming\\GrOcCQC\\GrOcCQC.exe"	PCA9626B,118.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2560 set thread context of 2084	2560	PCA9626B,118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PCA9626B,118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PCA9626B,118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2084	PCA9626B,118.exe
2084	PCA9626B,118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	PCA9626B,118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31
PID 2560 wrote to memory of 2084	2560	PCA9626B,118.exe	31

C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe
"C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe
  "C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2084

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2084-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2084-13-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2084-11-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2084-21-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2084-24-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-22-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-9-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2084-7-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2084-19-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2084-27-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-17-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2560-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2560-1-0x0000000000CF0000-0x0000000000DCE000-memory.dmp

Filesize
888KB

Download
memory/2560-6-0x0000000007B70000-0x0000000007C28000-memory.dmp

Filesize
736KB

Download
memory/2560-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2560-23-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-3-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads