agenttesla | 6702fd8cc69861fd00ceba3d93fd0108be39694f0af90577e99e3e04f0c2ce83

General

Target

asklamaya.exe
Size

293KB
MD5

6cc93c3cbc8578aa9e7a69b527521577
SHA1

6f578200f0f4ee228f08bd7197dfc6ec9035e608
SHA256

6702fd8cc69861fd00ceba3d93fd0108be39694f0af90577e99e3e04f0c2ce83
SHA512

396cb20c6badad5f6343deb5cc2192cc663e8f166cf2c5a4b39a56037b700889cda7cc419781cf7f6f58c55e5983e81b0498c74abc55afea2b6f8464a7f9b144
SSDEEP

6144:vYa6XerF2JOK15cSag0dwXhmmunvWkZ5PECg1U4L/q/hpBV:vYleRM1SSb0mw+O58Cg1p/qV

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
852	asklamaya.exe

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-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asklamaya.exe
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asklamaya.exe
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asklamaya.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-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	asklamaya.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.

flow	ioc
25	api.ipify.org
26	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 852 set thread context of 1596	852	asklamaya.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1596	asklamaya.exe
1596	asklamaya.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
852	asklamaya.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	asklamaya.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 1596	852	asklamaya.exe	85
PID 852 wrote to memory of 1596	852	asklamaya.exe	85
PID 852 wrote to memory of 1596	852	asklamaya.exe	85
PID 852 wrote to memory of 1596	852	asklamaya.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asklamaya.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	asklamaya.exe

C:\Users\Admin\AppData\Local\Temp\asklamaya.exe
"C:\Users\Admin\AppData\Local\Temp\asklamaya.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:852
- C:\Users\Admin\AppData\Local\Temp\asklamaya.exe
  "C:\Users\Admin\AppData\Local\Temp\asklamaya.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:1596

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nswB018.tmp\mlntqkyos.dll

Filesize
68KB

MD5
9a8c6f434244f278ed3b760cd2e17ff2

SHA1
a70e8ee2ee60cb74dedb99c081add8f2ff9d40ce

SHA256
812a194361b097fbb80ab6d6d89ef618aae93150edd1833040a65a854e146942

SHA512
8db4921eaf33bf23f8ae59cf3d14a1811c611f8b41f9c2c1465d680a4b2b4c581d1751c26caa670e1597a39caef9060d1d89f0cc6ec0a054eb3de12e6fa1342f

Download Submit
memory/852-143-0x0000000074CB0000-0x0000000074CC6000-memory.dmp

Filesize
88KB

Download
memory/852-139-0x0000000074CB0000-0x0000000074CC6000-memory.dmp

Filesize
88KB

Download
memory/1596-148-0x0000000004B90000-0x0000000005134000-memory.dmp

Filesize
5.6MB

Download
memory/1596-150-0x0000000004A20000-0x0000000004A86000-memory.dmp

Filesize
408KB

Download
memory/1596-142-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1596-144-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1596-145-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-146-0x0000000004B80000-0x0000000004B90000-memory.dmp

Filesize
64KB

Download
memory/1596-147-0x0000000004B80000-0x0000000004B90000-memory.dmp

Filesize
64KB

Download
memory/1596-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1596-149-0x0000000004B80000-0x0000000004B90000-memory.dmp

Filesize
64KB

Download
memory/1596-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1596-151-0x0000000005D10000-0x0000000005D60000-memory.dmp

Filesize
320KB

Download
memory/1596-152-0x0000000005D80000-0x0000000005F42000-memory.dmp

Filesize
1.8MB

Download
memory/1596-153-0x0000000005F50000-0x0000000005FE2000-memory.dmp

Filesize
584KB

Download
memory/1596-154-0x0000000006160000-0x000000000616A000-memory.dmp

Filesize
40KB

Download
memory/1596-155-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-156-0x0000000004B80000-0x0000000004B90000-memory.dmp

Filesize
64KB

Download
memory/1596-158-0x0000000004B80000-0x0000000004B90000-memory.dmp

Filesize
64KB

Download

Analysis

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