agenttesla | a3928afcfa8b3e1825c9796ea9099e59e1e7ae2306fbfcc20dc3aae7c6065121

General

Target

Invoice No.23DF-46775.exe
Size

903KB
MD5

8b97b1a70e233a34a42dc72971545f07
SHA1

17cdf8a99b83975664698b963c568ec299a6251c
SHA256

a3928afcfa8b3e1825c9796ea9099e59e1e7ae2306fbfcc20dc3aae7c6065121
SHA512

f025a66ae932bd4976a63f3319a438454bececb26f09c78a7d77000c056f7d483b2d58050ad0fb44f0c4824080b4cb3ba8c3d03699dbd398e243dcc4187187ab
SSDEEP

6144:yGJK4njQgky2InEoRhUaN9B6YjrlfplKGjXWnl/bQmkLKS0fCvYafA3Zrkkn/LqY:S4nJCnGLS2nQaINkULq7nO/Ga9H

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
iebtzpacgzyullvo
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	Invoice No.23DF-46775.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YLcqPJe = "C:\\Users\\Admin\\AppData\\Roaming\\YLcqPJe\\YLcqPJe.exe"	RegSvcs.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
37	api.ipify.org
38	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4184 set thread context of 1512	4184	Invoice No.23DF-46775.exe	90

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

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

pid	Process
2424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4184	Invoice No.23DF-46775.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4184	Invoice No.23DF-46775.exe
Token: SeDebugPrivilege	1512	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 2424	4184	Invoice No.23DF-46775.exe	88
PID 4184 wrote to memory of 2424	4184	Invoice No.23DF-46775.exe	88
PID 4184 wrote to memory of 2424	4184	Invoice No.23DF-46775.exe	88
PID 4184 wrote to memory of 1512	4184	Invoice No.23DF-46775.exe	90
PID 4184 wrote to memory of 1512	4184	Invoice No.23DF-46775.exe	90
PID 4184 wrote to memory of 1512	4184	Invoice No.23DF-46775.exe	90
PID 4184 wrote to memory of 1512	4184	Invoice No.23DF-46775.exe	90
PID 4184 wrote to memory of 1512	4184	Invoice No.23DF-46775.exe	90
PID 4184 wrote to memory of 1512	4184	Invoice No.23DF-46775.exe	90
PID 4184 wrote to memory of 1512	4184	Invoice No.23DF-46775.exe	90
PID 4184 wrote to memory of 1512	4184	Invoice No.23DF-46775.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Invoice No.23DF-46775.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice No.23DF-46775.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4184
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QmQZBqWJnxs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6DD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1512

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD6DD.tmp

Filesize
1KB

MD5
bdfd89e1ab484fe535f8db2040fb6336

SHA1
bd38094e71e88d101223202744a971588158e8f8

SHA256
0913c03391007b7308146fb3f0ea156724900a54be71f61c7cf8686d9ab1a90d

SHA512
353d99282a082ea2cd97f2ebd8f3479dfdc0697ea513bb3bb8ec5efb1a6193d07202eec12156841d9e0d391069a7fe1700bd202974ac17d5e5da954a021c1dcc

Download Submit
memory/1512-150-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/1512-149-0x0000000006CB0000-0x0000000006E72000-memory.dmp

Filesize
1.8MB

Download
memory/1512-148-0x0000000006A90000-0x0000000006AE0000-memory.dmp

Filesize
320KB

Download
memory/1512-146-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/1512-145-0x0000000005210000-0x0000000005276000-memory.dmp

Filesize
408KB

Download
memory/1512-143-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4184-136-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/4184-139-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/4184-138-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/4184-137-0x0000000005390000-0x000000000539A000-memory.dmp

Filesize
40KB

Download
memory/4184-133-0x00000000008F0000-0x00000000009D8000-memory.dmp

Filesize
928KB

Download
memory/4184-135-0x00000000053E0000-0x0000000005472000-memory.dmp

Filesize
584KB

Download
memory/4184-134-0x00000000058F0000-0x0000000005E94000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads