agenttesla | 2062794ba57d2b43d792623c6e4abb1f90107d5c408e76e33b579295eaddc528

Analysis

max time kernel
137s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 08:03

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General

Target

purchase order oct_20_80373592_80373595.exe
Size

564KB
MD5

70a3002b8a40775f4856fc2cc8330b84
SHA1

eef7bac7da1d3a40f6222ddfc08962db40c0e385
SHA256

8dc9d32f21b231d0d1ed00ff04eae170eb680034e4079db1f6e17079ab5aa2f9
SHA512

f5303e7f3f96a4b7935a7d3702ced2d37b862181b574e368e9f9351fdb4180034528c3b53dbfd6fb66836caeb9edb5d6fd21872a78a2abe9565a4ed09a788193
SSDEEP

12288:ZHDOTk3cUdLMzEpwrrO+hZcNWWFXxwYOwU98:ZXs2ppB+hZcwWNxWwv

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
solo09052449116

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1212-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	purchase order oct_20_80373592_80373595.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe	cmd.exe

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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order oct_20_80373592_80373595.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order oct_20_80373592_80373595.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order oct_20_80373592_80373595.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
42	api.ipify.org
43	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 1212	2664	purchase order oct_20_80373592_80373595.exe	95

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	purchase order oct_20_80373592_80373595.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	purchase order oct_20_80373592_80373595.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
2664	purchase order oct_20_80373592_80373595.exe
1212	purchase order oct_20_80373592_80373595.exe
1212	purchase order oct_20_80373592_80373595.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1212	purchase order oct_20_80373592_80373595.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	purchase order oct_20_80373592_80373595.exe
Token: SeDebugPrivilege	1212	purchase order oct_20_80373592_80373595.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1212	purchase order oct_20_80373592_80373595.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 1856	2664	purchase order oct_20_80373592_80373595.exe	92
PID 2664 wrote to memory of 1856	2664	purchase order oct_20_80373592_80373595.exe	92
PID 2664 wrote to memory of 1856	2664	purchase order oct_20_80373592_80373595.exe	92
PID 2664 wrote to memory of 1212	2664	purchase order oct_20_80373592_80373595.exe	95
PID 2664 wrote to memory of 1212	2664	purchase order oct_20_80373592_80373595.exe	95
PID 2664 wrote to memory of 1212	2664	purchase order oct_20_80373592_80373595.exe	95
PID 2664 wrote to memory of 1212	2664	purchase order oct_20_80373592_80373595.exe	95
PID 2664 wrote to memory of 1212	2664	purchase order oct_20_80373592_80373595.exe	95
PID 2664 wrote to memory of 1212	2664	purchase order oct_20_80373592_80373595.exe	95
PID 2664 wrote to memory of 1212	2664	purchase order oct_20_80373592_80373595.exe	95
PID 2664 wrote to memory of 1212	2664	purchase order oct_20_80373592_80373595.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order oct_20_80373592_80373595.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order oct_20_80373592_80373595.exe

C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:1856
- C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

Query Registry

T1012

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\purchase order oct_20_80373592_80373595.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1212-18-0x00000000050E0000-0x00000000050F8000-memory.dmp

Filesize
96KB

Download
memory/1212-17-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1212-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1212-21-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1212-20-0x0000000006390000-0x00000000063E0000-memory.dmp

Filesize
320KB

Download
memory/1212-19-0x0000000005D50000-0x0000000005DB6000-memory.dmp

Filesize
408KB

Download
memory/1212-15-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/1212-22-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/2664-3-0x0000000005080000-0x0000000005112000-memory.dmp

Filesize
584KB

Download
memory/2664-8-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/2664-16-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/2664-7-0x0000000005410000-0x00000000054AC000-memory.dmp

Filesize
624KB

Download
memory/2664-1-0x0000000000610000-0x00000000006A2000-memory.dmp

Filesize
584KB

Download
memory/2664-2-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/2664-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/2664-6-0x00000000052F0000-0x000000000534E000-memory.dmp

Filesize
376KB

Download
memory/2664-5-0x0000000005140000-0x000000000514A000-memory.dmp

Filesize
40KB

Download
memory/2664-4-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/2664-9-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download