agenttesla | 3f33ad806e3b9edcd5414df483fa31a91395c983c35714277f7bf8ca74db2a7e

General

Target

Product specification.exe
Size

879KB
MD5

3d81936d4f07a119b37f9d3a45012d47
SHA1

34587306cce993af14eceb7d8a88c41a26b08ac2
SHA256

0538015f91c94d63edf194e7be7ec2e4ca956e479d50c1d0963e5a0238ab5f30
SHA512

1ecb8f7d06552891a8f5c6da4cf5fda13183b964f779118d1b179b7646fb0021d6c18c7b415f6302f0136f9e026b0011854d333acdfe526ce58bc14101e0c20e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
107.152.35.241
Port:
587
Username:
[email protected]
Password:
speech

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4796-138-0x0000000000400000-0x000000000044C000-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

Processes:

Product specification.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Product specification.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Product specification.exe

description pid process target process

PID 2076 set thread context of 4796 2076 Product specification.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

5064 schtasks.exe

description	pid	process	target process
PID 2076 set thread context of 4796	2076	Product specification.exe	MSBuild.exe

pid	process
5064	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

Product specification.exeMSBuild.exe

pid	process
2076	Product specification.exe
2076	Product specification.exe
2076	Product specification.exe
2076	Product specification.exe
2076	Product specification.exe
2076	Product specification.exe
2076	Product specification.exe
2076	Product specification.exe
2076	Product specification.exe
4796	MSBuild.exe
4796	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Product specification.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 2076 Product specification.exe
Token: SeDebugPrivilege 4796 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

4796 MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2076	Product specification.exe
Token: SeDebugPrivilege	4796	MSBuild.exe

pid	process
4796	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Product specification.exe

description	pid	process	target process
PID 2076 wrote to memory of 5064	2076	Product specification.exe	schtasks.exe
PID 2076 wrote to memory of 5064	2076	Product specification.exe	schtasks.exe
PID 2076 wrote to memory of 5064	2076	Product specification.exe	schtasks.exe
PID 2076 wrote to memory of 3476	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 3476	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 3476	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 4796	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 4796	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 4796	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 4796	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 4796	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 4796	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 4796	2076	Product specification.exe	MSBuild.exe
PID 2076 wrote to memory of 4796	2076	Product specification.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Product specification.exe
"C:\Users\Admin\AppData\Local\Temp\Product specification.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ybCIEXZOt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4304.tmp"
2⤵
- Creates scheduled task(s)
PID:5064

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
PID:3476

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4796

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4304.tmp
Filesize
1KB

MD5
d892ec00c14c3bdeee3d333cc348a420

SHA1
6b8f9d864d4ec96c76f3353ce747cadece6dc844

SHA256
7e5b8ff1caf9d56f7c700bfc1d8578a08fb5cbfed32ac60c1e3298d8b97ce3e5

SHA512
ebca1dbb3cd692d06a5ed2827fbbdc11185edaa278822c81644424f8886f1bc7b5311f44d84ef96a0bb36cf32c2eed0f7bcc63bd8a31c93312a61ed1b76b12bc

Download Submit
memory/2076-130-0x0000000000250000-0x0000000000332000-memory.dmp

Filesize
904KB

Download
memory/2076-131-0x0000000007960000-0x0000000007F04000-memory.dmp

Filesize
5.6MB

Download
memory/2076-132-0x0000000007550000-0x00000000075E2000-memory.dmp

Filesize
584KB

Download
memory/2076-133-0x0000000007690000-0x000000000772C000-memory.dmp

Filesize
624KB

Download
memory/3476-136-0x0000000000000000-mapping.dmp

Download
memory/4796-137-0x0000000000000000-mapping.dmp

Download
memory/4796-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4796-139-0x0000000006390000-0x00000000063F6000-memory.dmp

Filesize
408KB

Download
memory/4796-140-0x0000000006A20000-0x0000000006A70000-memory.dmp

Filesize
320KB

Download
memory/4796-141-0x0000000006A80000-0x0000000006A8A000-memory.dmp

Filesize
40KB

Download
memory/5064-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads