agenttesla | c8dc82c83a24c9050ec86751b8f08d627bac0020a0d93f649a73c2acb45d00e1

General

Target

COVID-19 WHO RECOMENDED V.exe
Size

378KB
MD5

1179a7989031fc4b6331505b388dcb12
SHA1

eb644752ffb7d9b12511a0d10448150c91eb30bd
SHA256

d150feb631d6e9050b7fb76db57504e6dcc2715fe03e45db095f50d56a9495a5
SHA512

c21193698a03259eb486ebfb281e4c8fb7224814fd81d9d676c3ff8f7c9ebb8f277ef03cf5025b648e88849cca8731d16b7735288e49b0bf04da9336b4279b31
SSDEEP

6144:0QT73Grj0u1H+DTqKXKqYpwGspOzo5R7dhV0iyIwu5CfQxt/vVauu1fmLA3Kjx4b:rTDu0a+DnHpOAHVtyIV5cQXHUuuU+6Bw

Score

10^/10

agenttesla collection discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.bnb-spa.com
Port:
587
Username:
[email protected]
Password:
hope2020

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral4/memory/4672-8-0x0000000000400000-0x000000000044C000-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-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\International\Geo\Nation	COVID-19 WHO RECOMENDED V.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COVID-19 WHO RECOMENDED V.exe
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COVID-19 WHO RECOMENDED V.exe
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COVID-19 WHO RECOMENDED V.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-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vidmp6 = "C:\\Users\\Admin\\AppData\\Roaming\\vidmp6\\vidmp6.exe"	COVID-19 WHO RECOMENDED V.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3488 set thread context of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91

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	COVID-19 WHO RECOMENDED V.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	COVID-19 WHO RECOMENDED V.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
1200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4672	COVID-19 WHO RECOMENDED V.exe
4672	COVID-19 WHO RECOMENDED V.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4672	COVID-19 WHO RECOMENDED V.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4672	COVID-19 WHO RECOMENDED V.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 1200	3488	COVID-19 WHO RECOMENDED V.exe	89
PID 3488 wrote to memory of 1200	3488	COVID-19 WHO RECOMENDED V.exe	89
PID 3488 wrote to memory of 1200	3488	COVID-19 WHO RECOMENDED V.exe	89
PID 3488 wrote to memory of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91
PID 3488 wrote to memory of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91
PID 3488 wrote to memory of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91
PID 3488 wrote to memory of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91
PID 3488 wrote to memory of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91
PID 3488 wrote to memory of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91
PID 3488 wrote to memory of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91
PID 3488 wrote to memory of 4672	3488	COVID-19 WHO RECOMENDED V.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COVID-19 WHO RECOMENDED V.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	COVID-19 WHO RECOMENDED V.exe

C:\Users\Admin\AppData\Local\Temp\COVID-19 WHO RECOMENDED V.exe
"C:\Users\Admin\AppData\Local\Temp\COVID-19 WHO RECOMENDED V.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qaTvDpiuY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC42B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1200
- C:\Users\Admin\AppData\Local\Temp\COVID-19 WHO RECOMENDED V.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v2.0_32\UsageLogs\COVID-19 WHO RECOMENDED V.exe.log

Filesize
667B

MD5
fad44290d2f569240416a287677a6b34

SHA1
0799266664e37852987cc24398f9a70c7e56742b

SHA256
e955c99499359471526e95c22a084d1578997c39ecab988badf6798cfbd995b0

SHA512
ee4136ac147d41646368eeb16390598c1da2b9e3bb8331b43062a72e4ad1d05eec56dcc727f9b5b447756c3edc855b08ef0c241073a5f88e749714f2beb98bc3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC42B.tmp

Filesize
1KB

MD5
fb688f40d1ff06eda16db9894dbd3711

SHA1
c3d7e21ae12ed0313defd0766aad974b34a76ca1

SHA256
f2ad49650d2c86e22cba8aeb0a537a7f548dddc09a9ccbf3056e917f88ba7e60

SHA512
32998e6242357a6948d1e6ab895707ba131833556d169f1b1fa4099c6278eefd95157934ef18718055c0353099d6ad0c6d16789cb1badebe7d0c02f8b1f8e567

Download Submit
memory/3488-0-0x0000000074B22000-0x0000000074B23000-memory.dmp

Filesize
4KB

Download
memory/3488-1-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download
memory/3488-2-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download
memory/3488-12-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download
memory/4672-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4672-11-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download
memory/4672-13-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download
memory/4672-14-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download
memory/4672-16-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download
memory/4672-17-0x0000000074B20000-0x00000000750D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads