agenttesla | 11f12132d28b029198eb0b00b9242ab5794bd3634114e0beefa2d2c46cad3a05

General

Target

Bezuelungsberodung Kopie_pdf.exe
Size

553KB
MD5

2cf5c48e0de0c8f3e391fcb20b473276
SHA1

47b96fca595138f2ee6d801fae6848ca06b6e80b
SHA256

9d10bbb271aed1e6e9402ea2a8ccb8bc40da901b28f68954285e493d3b69b409
SHA512

c1e81a13a09f59ee22bb82dd3edafad57c75a1cc5433481d32d466d74fb69d0644e559d6b82bea9fcc78037fde6ec5d88dbac215b04ae83fce119311079dc39a
SSDEEP

12288:9PLazLtO9Cg3hzVrkHO2tDfrMvXQLghCiX77yQUNuiAKu1LXno:MzLsXhBr4DtfMPQLgr7luOt1ro

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ingeniumhea.com
Port:
587
Username:
[email protected]
Password:
IngeniumC18
Email To:
[email protected]

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2956-26-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2956-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2956-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2956-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2956-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bezuelungsberodung Kopie_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bezuelungsberodung Kopie_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bezuelungsberodung Kopie_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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bezuelungsberodung Kopie_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bezuelungsberodung Kopie_pdf.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2956	Bezuelungsberodung Kopie_pdf.exe
2956	Bezuelungsberodung Kopie_pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	Bezuelungsberodung Kopie_pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2684	2744	Bezuelungsberodung Kopie_pdf.exe	30
PID 2744 wrote to memory of 2684	2744	Bezuelungsberodung Kopie_pdf.exe	30
PID 2744 wrote to memory of 2684	2744	Bezuelungsberodung Kopie_pdf.exe	30
PID 2744 wrote to memory of 2684	2744	Bezuelungsberodung Kopie_pdf.exe	30
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32
PID 2744 wrote to memory of 2956	2744	Bezuelungsberodung Kopie_pdf.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bezuelungsberodung Kopie_pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Bezuelungsberodung Kopie_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Bezuelungsberodung Kopie_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Bezuelungsberodung Kopie_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nBWtBTcLcJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp428C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2684
- C:\Users\Admin\AppData\Local\Temp\Bezuelungsberodung Kopie_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Bezuelungsberodung Kopie_pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp428C.tmp

Filesize
1KB

MD5
f6b285814e1cc847abafd197037bf6d0

SHA1
6a99751e91f90daf988909a312dd37835df96280

SHA256
61fccd2994a2df82ebfe03add89a75f63abc97524d4fd191ff1a8f59670855e3

SHA512
06277794f93f435f57537549a2f909e4dcbeedaf4f9b80a62c48597b4ca7245493f7ad58aad6d5f3fb6b2444d8e07370de680d0391be1d6837c2dce1c5c3a495

Download Submit
memory/2744-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2744-1-0x0000000000F60000-0x0000000000FF0000-memory.dmp

Filesize
576KB

Download
memory/2744-2-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download
memory/2744-3-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2744-4-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2744-5-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2744-6-0x0000000004CC0000-0x0000000004D32000-memory.dmp

Filesize
456KB

Download
memory/2744-7-0x0000000000A20000-0x0000000000A5C000-memory.dmp

Filesize
240KB

Download
memory/2744-28-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2956-26-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2956-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-27-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2956-29-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2956-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-30-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2956-31-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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