agenttesla | 8031f29ca671c9c658a3ecc57e27257df6b0b562fce7bee6c8790203632d175e

General

Target

33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe
Size

651KB
MD5

00e30e1804f2430265b1cefeb129c0ca
SHA1

92d2ac8c14544693c00c46139e38a248ebc894af
SHA256

33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc
SHA512

97599f4fca7f8de8dfac3133ef5c02a4afd25f1421676b5c9e92ecaaf4aeb6a67dd843c475d4aae0d685f866178ec40a96404f885594744fda29322c9c11222b
SSDEEP

12288:qnBEbI7vijPHnMvEsHFZt6oy3/WAp6ibZNHgn8oh9a0oz1q8X31VOkZ5KvgwSWy:qB2ILijwEs3Qr3x6qv8h9Ho5q8XvOBvm

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
$F%bWyL5
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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 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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe"	regasm.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 2824 set thread context of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1384	regasm.exe
1384	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1384	regasm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 1384	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	28
PID 2824 wrote to memory of 2708	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	29
PID 2824 wrote to memory of 2708	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	29
PID 2824 wrote to memory of 2708	2824	33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe	29

C:\Users\Admin\AppData\Local\Temp\33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe
"C:\Users\Admin\AppData\Local\Temp\33fa911dd004b649e230afe01f281a477a67b0a84b42cd71548a5b899b41e6dc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1384
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2824 -s 716
  2⤵
  PID:2708

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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1384-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1384-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1384-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1384-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1384-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1384-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1384-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1384-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-1-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

Filesize
9.9MB

Download
memory/2824-0-0x00000000001B0000-0x00000000001C6000-memory.dmp

Filesize
88KB

Download
memory/2824-3-0x000000001A920000-0x000000001A9B6000-memory.dmp

Filesize
600KB

Download
memory/2824-2-0x000000001B310000-0x000000001B390000-memory.dmp

Filesize
512KB

Download
memory/2824-19-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

Filesize
9.9MB

Download
memory/2824-20-0x000000001B310000-0x000000001B390000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads