agenttesla | 8e993557a231df7436cd50056152b4dfd48bb73120c11588a84373e84e31fc60

General

Target

DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe
Size

602KB
MD5

b2d583461e9c0f093969536db5bf3116
SHA1

0133a42b3dd136b9ad872683049fc7705f93b324
SHA256

8e993557a231df7436cd50056152b4dfd48bb73120c11588a84373e84e31fc60
SHA512

647d99964b310b76901d9ea53d946dc2ddd3145bc9baba64f2d446c58d51704c96655ce6021112b688d2aec2b08514daaed9551b079d705e4f4fb8d92cb815a1
SSDEEP

12288:b+ivt47MCGo/Ze29EgEO4HU1pHOC5eucD0u8ROxJq9Hb:bv1/yZJdD8U1pHOC5q2O30

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.rediffrnail.com
Port:
587
Username:
[email protected]
Password:
VhQ)^ti5
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2308	powershell.exe
736	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe
736	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	736	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe
Token: SeDebugPrivilege	2308	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2308	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	28
PID 2216 wrote to memory of 2308	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	28
PID 2216 wrote to memory of 2308	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	28
PID 2216 wrote to memory of 2308	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	28
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30
PID 2216 wrote to memory of 736	2216	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe

C:\Users\Admin\AppData\Local\Temp\DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2308
- C:\Users\Admin\AppData\Local\Temp\DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL - OVERDUE ACCOUNT NOTICE - 8311493658_PDF.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/736-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/736-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/736-73-0x0000000002320000-0x0000000002360000-memory.dmp

Filesize
256KB

Download
memory/736-72-0x0000000002320000-0x0000000002360000-memory.dmp

Filesize
256KB

Download
memory/736-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/736-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/736-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/736-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/736-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/736-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2216-58-0x0000000000620000-0x000000000062C000-memory.dmp

Filesize
48KB

Download
memory/2216-55-0x0000000004940000-0x0000000004980000-memory.dmp

Filesize
256KB

Download
memory/2216-54-0x0000000000810000-0x00000000008AC000-memory.dmp

Filesize
624KB

Download
memory/2216-59-0x0000000005770000-0x00000000057DA000-memory.dmp

Filesize
424KB

Download
memory/2216-57-0x0000000004940000-0x0000000004980000-memory.dmp

Filesize
256KB

Download
memory/2216-56-0x00000000005B0000-0x00000000005BC000-memory.dmp

Filesize
48KB

Download

Analysis

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