agenttesla | ebf92e6bc069d1ca205eb0a7abe173a7b9bbcecc4cd40b40c7bf637f3990f46e

General

Target

Orden de compra.pdf.exe
Size

2.2MB
MD5

6e50a6569869030287604165efcfa4f9
SHA1

cdd4476ab3a750729e3e418917e8d66b1b59363c
SHA256

5a54487d18e12268b6368c5b8f97b0d3d53ca57a423e01a7f586f450891dbf12
SHA512

dbd5bedbc06bd4cfc3dd301ac237a41b70181142fdb0cbac549d212c7729cb1fe0e8bd30c290b7b1cb9348f6bc29b745d2688a331ee3061510b7e5c215a2feab
SSDEEP

49152:43ASbdYAm4zEbdYAm4zWbdYAm4z23Ag3AWbdYAm4zSbdYAm4zO3A15jGN:KA4drWdr0drkASA0dr4dr8A3j+

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.lampadari.gr
Port:
21
Username:
[email protected]
Password:
P8P[uVeJU=vh

Signatures

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

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
13	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 4440	1232	Orden de compra.pdf.exe	84

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	Orden de compra.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4440	regasm.exe
4440	regasm.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1232	Orden de compra.pdf.exe
1232	Orden de compra.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4440	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1232	Orden de compra.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 2696	1232	Orden de compra.pdf.exe	83
PID 1232 wrote to memory of 2696	1232	Orden de compra.pdf.exe	83
PID 1232 wrote to memory of 2696	1232	Orden de compra.pdf.exe	83
PID 1232 wrote to memory of 2696	1232	Orden de compra.pdf.exe	83
PID 1232 wrote to memory of 4440	1232	Orden de compra.pdf.exe	84
PID 1232 wrote to memory of 4440	1232	Orden de compra.pdf.exe	84
PID 1232 wrote to memory of 4440	1232	Orden de compra.pdf.exe	84
PID 1232 wrote to memory of 4440	1232	Orden de compra.pdf.exe	84

C:\Users\Admin\AppData\Local\Temp\Orden de compra.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de compra.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:2696
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1232-9-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/1232-3-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/1232-13-0x0000000001220000-0x000000000144F000-memory.dmp

Filesize
2.2MB

Download
memory/1232-12-0x000000000122E000-0x000000000122F000-memory.dmp

Filesize
4KB

Download
memory/1232-11-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/1232-10-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/1232-44-0x0000000000D50000-0x0000000000D58000-memory.dmp

Filesize
32KB

Download
memory/1232-8-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/1232-17-0x0000000001220000-0x000000000144F000-memory.dmp

Filesize
2.2MB

Download
memory/1232-42-0x0000000001220000-0x000000000144F000-memory.dmp

Filesize
2.2MB

Download
memory/1232-41-0x0000000001220000-0x000000000144F000-memory.dmp

Filesize
2.2MB

Download
memory/1232-40-0x0000000001220000-0x000000000144F000-memory.dmp

Filesize
2.2MB

Download
memory/1232-2-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/4440-46-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/4440-45-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/4440-47-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download
memory/4440-39-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4440-48-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4440-49-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/4440-50-0x0000000004EC0000-0x0000000004F26000-memory.dmp

Filesize
408KB

Download
memory/4440-51-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-52-0x0000000006290000-0x00000000062E0000-memory.dmp

Filesize
320KB

Download
memory/4440-53-0x0000000006380000-0x0000000006412000-memory.dmp

Filesize
584KB

Download
memory/4440-54-0x0000000006310000-0x000000000631A000-memory.dmp

Filesize
40KB

Download
memory/4440-55-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

Filesize
4KB

Download
memory/4440-56-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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