agenttesla | 6a6ca8111f066f7c4110c123af309080ceead65edc3e473e98ef4ec4020ab91e

General

Target

purchase_order T&B19-20PO128.pdf.exe
Size

659KB
MD5

821f3780a936cbec78ef0a92a6abe240
SHA1

1068227546e0b7f016028033b34c3ffa5b3eb38e
SHA256

b57506921f2720895173741a012333b7f8b981a58dfa16493088371371b815c3
SHA512

cbe4077a61f22091b3d13d276ea637b097f192e0e0e9caf6bb379ff5211bb81cfcaaf854a29071a8c0e9054558d85fe605e1e3f3b3c0e07736c2e75518f3402d
SSDEEP

12288:93GBMjCfftXHRuznqQ+AORIKMLyUsiBpp8:9TkXEepRI7Lyn

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.unitechautomations.com
Port:
587
Username:
[email protected]
Password:
Unitech@123
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-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	purchase_order T&B19-20PO128.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

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-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vlflvDv = "C:\\Users\\Admin\\AppData\\Roaming\\vlflvDv\\vlflvDv.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
39	api.ipify.org
40	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1096 set thread context of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91

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/Job

T1053

pid	Process
3904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3940	RegSvcs.exe
3940	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 3904	1096	purchase_order T&B19-20PO128.pdf.exe	89
PID 1096 wrote to memory of 3904	1096	purchase_order T&B19-20PO128.pdf.exe	89
PID 1096 wrote to memory of 3904	1096	purchase_order T&B19-20PO128.pdf.exe	89
PID 1096 wrote to memory of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91
PID 1096 wrote to memory of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91
PID 1096 wrote to memory of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91
PID 1096 wrote to memory of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91
PID 1096 wrote to memory of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91
PID 1096 wrote to memory of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91
PID 1096 wrote to memory of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91
PID 1096 wrote to memory of 3940	1096	purchase_order T&B19-20PO128.pdf.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nuGVaTgPHDiwX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDFC1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

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\tmpDFC1.tmp

Filesize
1KB

MD5
04cbda9e0b5bc99f1a50d472c633c97e

SHA1
6b6c31e6e7af660d59f57dbfa82a2d20b88a3f5a

SHA256
128e1984732035c3a0e032f2947453719b5cfb0d5307cbc301e1808bbd5b182b

SHA512
daf8a849696c305d886f5ca70f65e876e5dbe90b8dc927ea8fc5103edb5bd18cb44c5841c8945752d07bde98ab4300cf45db4e676812ecedcaf5235c4c9d9bb8

Download Submit
memory/1096-10-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/1096-12-0x0000000006830000-0x0000000006872000-memory.dmp

Filesize
264KB

Download
memory/1096-3-0x0000000005900000-0x0000000005EA4000-memory.dmp

Filesize
5.6MB

Download
memory/1096-4-0x0000000005350000-0x00000000053E2000-memory.dmp

Filesize
584KB

Download
memory/1096-5-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/1096-6-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/1096-7-0x00000000055B0000-0x0000000005606000-memory.dmp

Filesize
344KB

Download
memory/1096-8-0x00000000058A0000-0x00000000058AC000-memory.dmp

Filesize
48KB

Download
memory/1096-9-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1096-1-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1096-2-0x00000000052B0000-0x000000000534C000-memory.dmp

Filesize
624KB

Download
memory/1096-0-0x0000000000810000-0x00000000008BA000-memory.dmp

Filesize
680KB

Download
memory/1096-11-0x00000000067B0000-0x0000000006832000-memory.dmp

Filesize
520KB

Download
memory/1096-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3940-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-20-0x0000000005710000-0x0000000005720000-memory.dmp

Filesize
64KB

Download
memory/3940-21-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/3940-23-0x0000000006CB0000-0x0000000006D00000-memory.dmp

Filesize
320KB

Download
memory/3940-24-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/3940-25-0x0000000005710000-0x0000000005720000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads