agenttesla | 9414d0cec9f5df6c254c3701fe4da6d262684b8082a6374013364fc13de5db8a

Analysis

max time kernel
115s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 04:05

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General

Target

PO 2365433229 pdf.exe
Size

663KB
MD5

d8ecc17a35277af19be6e71d76b00d10
SHA1

1e3f94c205f076882ff0ae00c3bc506c29ad722b
SHA256

ff55a325bc1ebf9ab3c1d988801018b36ae2cf27d02bb8207134298994781093
SHA512

6da749276437277f5088947688a13d69fa07980ac9760f26cb54003884ef16501ca5c28ae2de04f8b81686bc4f5526a0bda6a6674e11fb90a12861159f549b14
SSDEEP

12288:6BmKMK/naA4/GM7iK2kp0/Y4RElv7voWLuHzLJR9R+qZ+ZsmR+ETyfhp1fUpxdQW:kmKX/aAXKh0/Y4R6o3H3JR9RtQt

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
[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
behavioral3/memory/3016-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral3/memory/3016-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral3/memory/3016-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral3/memory/3016-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral3/memory/3016-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 2365433229 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 2365433229 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 2365433229 pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 3016	2544	PO 2365433229 pdf.exe	35

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	PO 2365433229 pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO 2365433229 pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2544	PO 2365433229 pdf.exe
2544	PO 2365433229 pdf.exe
2544	PO 2365433229 pdf.exe
2544	PO 2365433229 pdf.exe
2544	PO 2365433229 pdf.exe
2544	PO 2365433229 pdf.exe
2544	PO 2365433229 pdf.exe
2544	PO 2365433229 pdf.exe
3016	PO 2365433229 pdf.exe
3016	PO 2365433229 pdf.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3016	PO 2365433229 pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	PO 2365433229 pdf.exe
Token: SeDebugPrivilege	3016	PO 2365433229 pdf.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2728	2544	PO 2365433229 pdf.exe	29
PID 2544 wrote to memory of 2728	2544	PO 2365433229 pdf.exe	29
PID 2544 wrote to memory of 2728	2544	PO 2365433229 pdf.exe	29
PID 2544 wrote to memory of 2728	2544	PO 2365433229 pdf.exe	29
PID 2544 wrote to memory of 2832	2544	PO 2365433229 pdf.exe	31
PID 2544 wrote to memory of 2832	2544	PO 2365433229 pdf.exe	31
PID 2544 wrote to memory of 2832	2544	PO 2365433229 pdf.exe	31
PID 2544 wrote to memory of 2832	2544	PO 2365433229 pdf.exe	31
PID 2544 wrote to memory of 2844	2544	PO 2365433229 pdf.exe	32
PID 2544 wrote to memory of 2844	2544	PO 2365433229 pdf.exe	32
PID 2544 wrote to memory of 2844	2544	PO 2365433229 pdf.exe	32
PID 2544 wrote to memory of 2844	2544	PO 2365433229 pdf.exe	32
PID 2544 wrote to memory of 2800	2544	PO 2365433229 pdf.exe	33
PID 2544 wrote to memory of 2800	2544	PO 2365433229 pdf.exe	33
PID 2544 wrote to memory of 2800	2544	PO 2365433229 pdf.exe	33
PID 2544 wrote to memory of 2800	2544	PO 2365433229 pdf.exe	33
PID 2544 wrote to memory of 2912	2544	PO 2365433229 pdf.exe	34
PID 2544 wrote to memory of 2912	2544	PO 2365433229 pdf.exe	34
PID 2544 wrote to memory of 2912	2544	PO 2365433229 pdf.exe	34
PID 2544 wrote to memory of 2912	2544	PO 2365433229 pdf.exe	34
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35
PID 2544 wrote to memory of 3016	2544	PO 2365433229 pdf.exe	35

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	PO 2365433229 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	PO 2365433229 pdf.exe

C:\Users\Admin\AppData\Local\Temp\PO 2365433229 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO 2365433229 pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DGnPqaoAJRgjd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50EE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\PO 2365433229 pdf.exe
  "{path}"
  2⤵
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\PO 2365433229 pdf.exe
  "{path}"
  2⤵
  PID:2844
- C:\Users\Admin\AppData\Local\Temp\PO 2365433229 pdf.exe
  "{path}"
  2⤵
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\PO 2365433229 pdf.exe
  "{path}"
  2⤵
  PID:2912
- C:\Users\Admin\AppData\Local\Temp\PO 2365433229 pdf.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp50EE.tmp

Filesize
1KB

MD5
5fa5b2e1161ad656130102722a19b246

SHA1
bf47136ad328f5d5c95d909f0d582a36b0ef7663

SHA256
ae03ae80d35bfd31d710a21147e93a5b7cbb0e38645ee2b22fd4535cc3f78d6d

SHA512
b8fa916a8593a60a77aa0c59160dab5799d6f2f4a61d4f7343b014c9537f82b68b8cb10268bc5ab155cba4ddbfe5f71352cee9e99428ca6a83954e00d333bb27

Download Submit
memory/2544-0-0x0000000073C4E000-0x0000000073C4F000-memory.dmp

Filesize
4KB

Download
memory/2544-1-0x0000000000020000-0x00000000000CC000-memory.dmp

Filesize
688KB

Download
memory/2544-2-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-3-0x0000000000440000-0x0000000000448000-memory.dmp

Filesize
32KB

Download
memory/2544-4-0x0000000073C4E000-0x0000000073C4F000-memory.dmp

Filesize
4KB

Download
memory/2544-5-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-6-0x0000000007D50000-0x0000000007DE0000-memory.dmp

Filesize
576KB

Download
memory/2544-23-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/3016-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-22-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/3016-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3016-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-24-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/3016-25-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/3016-26-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download