agenttesla | 804bbe01939efa8390005721104163523d0c3e04c2eab8176e07f96674140245

General

Target

bank account.exe
Size

780KB
MD5

a5640ac4a8b294df8ced6dfd0ca544f3
SHA1

94fc2bc720e88f5f1bcab268fd441c3f640d63c3
SHA256

c57c8d4d2e724683791c90f26d4499886ab0498688740b5433e1c4a36680564e
SHA512

c49a3f261ee1832bc41d887bf0b195ea707a4eb4fd15f46bd3ec55329169ae97d1953338e736532219b483b2954f76545544eb1e7fc632ea78c48b31bb012fbd
SSDEEP

12288:eTfMnM2iNv4sDFremgK+gxYdUwW+2FMkBZhnmZF4:O6M1usBremd+gxYY+2FMkcZF4

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
Mail.jingtai.com.vn
Port:
587
Username:
[email protected]
Password:
truongtuyen2209

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/2428-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	bank account.exe

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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	bank account.exe

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 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-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bank account.exe
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bank account.exe
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bank account.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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hgvQCmQ = "C:\\Users\\Admin\\AppData\\Roaming\\hgvQCmQ\\hgvQCmQ.exe"	bank account.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4756 set thread context of 2428	4756	bank account.exe	99

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2152	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2428	bank account.exe
2428	bank account.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2428	bank account.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 2152	4756	bank account.exe	97
PID 4756 wrote to memory of 2152	4756	bank account.exe	97
PID 4756 wrote to memory of 2152	4756	bank account.exe	97
PID 4756 wrote to memory of 2428	4756	bank account.exe	99
PID 4756 wrote to memory of 2428	4756	bank account.exe	99
PID 4756 wrote to memory of 2428	4756	bank account.exe	99
PID 4756 wrote to memory of 2428	4756	bank account.exe	99
PID 4756 wrote to memory of 2428	4756	bank account.exe	99
PID 4756 wrote to memory of 2428	4756	bank account.exe	99
PID 4756 wrote to memory of 2428	4756	bank account.exe	99
PID 4756 wrote to memory of 2428	4756	bank account.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bank account.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bank account.exe

C:\Users\Admin\AppData\Local\Temp\bank account.exe
"C:\Users\Admin\AppData\Local\Temp\bank account.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IVNmTSJGrzid" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB20.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2152
- C:\Users\Admin\AppData\Local\Temp\bank account.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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_v4.0_32\UsageLogs\bank account.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCB20.tmp

Filesize
1KB

MD5
b25e5722f68ac452962ff7fe07293bc5

SHA1
a343f5ddda5851d83136529b62bda426c81b3145

SHA256
d52521464f3d362ef0916959e3902263d08ec494c88c1136780f755e4cc334ff

SHA512
0cf2b2568d49e26ab310714ab8b3cf2307e2551542a81b2d15f534badf71a599eb94ef0986f9f516c45c1ff34a66fe85a49d0c9533d7b9bfb6bfef919a2a594e

Download Submit
memory/2428-21-0x00000000050D0000-0x00000000050E8000-memory.dmp

Filesize
96KB

Download
memory/2428-29-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/2428-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-28-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/2428-27-0x00000000062F0000-0x0000000006340000-memory.dmp

Filesize
320KB

Download
memory/2428-25-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/2428-24-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/2428-22-0x0000000005D70000-0x0000000005DD6000-memory.dmp

Filesize
408KB

Download
memory/2428-20-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/2428-18-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4756-8-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4756-4-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/4756-11-0x0000000006120000-0x000000000615C000-memory.dmp

Filesize
240KB

Download
memory/4756-19-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4756-0-0x00000000001A0000-0x000000000026A000-memory.dmp

Filesize
808KB

Download
memory/4756-10-0x00000000077E0000-0x0000000007862000-memory.dmp

Filesize
520KB

Download
memory/4756-1-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4756-9-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/4756-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/4756-6-0x0000000004F00000-0x0000000004F08000-memory.dmp

Filesize
32KB

Download
memory/4756-7-0x0000000005F30000-0x0000000005FCC000-memory.dmp

Filesize
624KB

Download
memory/4756-5-0x0000000004C60000-0x0000000004C6A000-memory.dmp

Filesize
40KB

Download
memory/4756-2-0x0000000005270000-0x0000000005814000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads