agenttesla | c334e1bcb782101b5c976a61d6d4e80ab8e5c2a642685c192abe7bbaa4768699

General

Target

Pre Alert PO TKVJEANSA000917/Pre Alert PO TKVJEANSA000917.exe
Size

413KB
MD5

fe26548a59a135b06e0701f666fdebb4
SHA1

525fdab3178b27769d3ee170465fe40a02fbd42e
SHA256

57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f
SHA512

b0c08f531dfa738e5c19015d0df8f2ff7056efb974bb25ff064e04f78a2cce6c95643ddf738b5ee4c3ad0bc4aa6c67e59032868e53ab39ed763f679e47a147e4
SSDEEP

12288:Pzhtfzyv02njijj9h20AX2kFODHDppepDPghDDei:PFtfzMS1h20AX2kFODHDppepDPghDDe

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
s4.serv00.com
Port:
21
Username:
f2241_dol
Password:
Doll900#@

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://s4.serv00.com
Port:
21
Username:
f2241_dol
Password:
Doll900#@

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
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 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Pre Alert PO TKVJEANSA000917.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adobe = "C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobe.exe"	Pre Alert PO TKVJEANSA000917.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.

Processes:

flow ioc

15 api.ipify.org
14 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Pre Alert PO TKVJEANSA000917.exe

description pid process target process

PID 3208 set thread context of 4384 3208 Pre Alert PO TKVJEANSA000917.exe Pre Alert PO TKVJEANSA000917.exe

flow	ioc
15	api.ipify.org
14	api.ipify.org

description	pid	process	target process
PID 3208 set thread context of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe

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

Processes:

Pre Alert PO TKVJEANSA000917.exePre Alert PO TKVJEANSA000917.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Pre Alert PO TKVJEANSA000917.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Pre Alert PO TKVJEANSA000917.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Pre Alert PO TKVJEANSA000917.exe

pid process

4384 Pre Alert PO TKVJEANSA000917.exe
4384 Pre Alert PO TKVJEANSA000917.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Pre Alert PO TKVJEANSA000917.exe

description pid process

Token: SeDebugPrivilege 4384 Pre Alert PO TKVJEANSA000917.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Pre Alert PO TKVJEANSA000917.exe

pid process

4384 Pre Alert PO TKVJEANSA000917.exe

pid	process
4384	Pre Alert PO TKVJEANSA000917.exe
4384	Pre Alert PO TKVJEANSA000917.exe

description	pid	process
Token: SeDebugPrivilege	4384	Pre Alert PO TKVJEANSA000917.exe

pid	process
4384	Pre Alert PO TKVJEANSA000917.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Pre Alert PO TKVJEANSA000917.exe

description	pid	process	target process
PID 3208 wrote to memory of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe
PID 3208 wrote to memory of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe
PID 3208 wrote to memory of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe
PID 3208 wrote to memory of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe
PID 3208 wrote to memory of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe
PID 3208 wrote to memory of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe
PID 3208 wrote to memory of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe
PID 3208 wrote to memory of 4384	3208	Pre Alert PO TKVJEANSA000917.exe	Pre Alert PO TKVJEANSA000917.exe

C:\Users\Admin\AppData\Local\Temp\Pre Alert PO TKVJEANSA000917\Pre Alert PO TKVJEANSA000917.exe
"C:\Users\Admin\AppData\Local\Temp\Pre Alert PO TKVJEANSA000917\Pre Alert PO TKVJEANSA000917.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Users\Admin\AppData\Local\Temp\Pre Alert PO TKVJEANSA000917\Pre Alert PO TKVJEANSA000917.exe
  "C:\Users\Admin\AppData\Local\Temp\Pre Alert PO TKVJEANSA000917\Pre Alert PO TKVJEANSA000917.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4384

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/3208-6-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/3208-0-0x000000007518E000-0x000000007518F000-memory.dmp

Filesize
4KB

Download
memory/3208-2-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/3208-3-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/3208-5-0x00000000057B0000-0x00000000057F8000-memory.dmp

Filesize
288KB

Download
memory/3208-4-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/3208-1-0x0000000000C00000-0x0000000000C6E000-memory.dmp

Filesize
440KB

Download
memory/3208-11-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4384-8-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4384-9-0x00000000051A0000-0x0000000005206000-memory.dmp

Filesize
408KB

Download
memory/4384-10-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4384-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4384-14-0x0000000006930000-0x0000000006980000-memory.dmp

Filesize
320KB

Download
memory/4384-15-0x0000000006A20000-0x0000000006ABC000-memory.dmp

Filesize
624KB

Download
memory/4384-16-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads