agenttesla | bc311f2845a756c0ff57e94abac7f894e60338ddc08187324154005d45c32456

General

Target

leylaty-RAK-16.02.2021,pdf.exe
Size

922KB
MD5

98e4d53f6ddd58d28af89b921bf5d6ea
SHA1

83486dab455ecedbe530ff267958cc07e2ed6f5d
SHA256

a710f59d3a9366dcac9bf7ead6fc0382b72373fe55e97bc32e3149960ed41bea
SHA512

39774eff85e9485fa39ad12fd0e832b64f746c3da7c448c1a270977e8c5ee11ae205cc5e787d4216bf448b511f9e03b0b5b9257df73bbfd5356dca1bcc2bb997
SSDEEP

24576:8fJ6Y86Z7iYtU+wkxQqBwtfLoA8A5jBmj:aJZ7iYtvBwtj18AZBmj

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sizetekstil.com
Port:
587
Username:
[email protected]
Password:
wsxa58ax

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/552-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	leylaty-RAK-16.02.2021,pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4488 set thread context of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	leylaty-RAK-16.02.2021,pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	leylaty-RAK-16.02.2021,pdf.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
552	leylaty-RAK-16.02.2021,pdf.exe
552	leylaty-RAK-16.02.2021,pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	leylaty-RAK-16.02.2021,pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 3744	4488	leylaty-RAK-16.02.2021,pdf.exe	96
PID 4488 wrote to memory of 3744	4488	leylaty-RAK-16.02.2021,pdf.exe	96
PID 4488 wrote to memory of 3744	4488	leylaty-RAK-16.02.2021,pdf.exe	96
PID 4488 wrote to memory of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98
PID 4488 wrote to memory of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98
PID 4488 wrote to memory of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98
PID 4488 wrote to memory of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98
PID 4488 wrote to memory of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98
PID 4488 wrote to memory of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98
PID 4488 wrote to memory of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98
PID 4488 wrote to memory of 552	4488	leylaty-RAK-16.02.2021,pdf.exe	98

C:\Users\Admin\AppData\Local\Temp\leylaty-RAK-16.02.2021,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\leylaty-RAK-16.02.2021,pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Kmeefc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B12.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3744
- C:\Users\Admin\AppData\Local\Temp\leylaty-RAK-16.02.2021,pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\leylaty-RAK-16.02.2021,pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9B12.tmp

Filesize
1KB

MD5
a21dfecaaffb940e88fe0b2c8f8435c0

SHA1
98a82da92094e72f3ef999b1917c967c12c68343

SHA256
945136c07b4be58f618ea2762219a2ed72e172407528a7046500a943d6241087

SHA512
f6e6f17b80b0e6200050c3f718daabf54d52824e5f57b73ca23eea9b64b6eec05a2de36334d88dbcf9c532538b284e781bf4162150ff4f642afe25432f1eeccc

Download Submit
memory/552-25-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/552-24-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/552-23-0x0000000006450000-0x00000000064B6000-memory.dmp

Filesize
408KB

Download
memory/552-22-0x00000000063A0000-0x00000000063B8000-memory.dmp

Filesize
96KB

Download
memory/552-21-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/552-19-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/552-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4488-10-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4488-9-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/4488-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/4488-11-0x0000000000DC0000-0x0000000000E2C000-memory.dmp

Filesize
432KB

Download
memory/4488-8-0x0000000005430000-0x000000000543A000-memory.dmp

Filesize
40KB

Download
memory/4488-7-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4488-6-0x0000000005230000-0x0000000005286000-memory.dmp

Filesize
344KB

Download
memory/4488-20-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4488-5-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

Filesize
40KB

Download
memory/4488-4-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/4488-3-0x0000000005550000-0x0000000005AF4000-memory.dmp

Filesize
5.6MB

Download
memory/4488-2-0x0000000004F00000-0x0000000004F9C000-memory.dmp

Filesize
624KB

Download
memory/4488-1-0x0000000000460000-0x000000000054C000-memory.dmp

Filesize
944KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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