agenttesla | 4b7ebbf2cb82e29b854f646b66e3756b5226910b42996d267fb770eff225954d

General

Target
OV2BR2G9XZfQ1M9.exe
Size 511KB
Sample211216-ewdbaabhgr
SHA256 4b7ebbf2cb82e29b854f646b66e3756b5226910b42996d267fb770eff225954d
MD5 73ffc9971ac079c61759dcabbff8e731
SHA1 da6acb4c862c000c0c9ebea5eddc83fd98553ed7
SHA512 7b4f3b13b88a4ca03d57dae4d510a788d57adb783787f7a0aeecced6e803ca23e39cdadae043415778fa07557ecd33f799cac47f46197e38d741c5effd8947b5
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.ozprize.com.au
Port
587
Username
[email protected]
Password
JQ&+VhtZh#;X

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/896-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/896-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/896-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/896-66-0x000000000043785E-mapping.dmp	family_agenttesla
behavioral1/memory/896-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OV2BR2G9XZfQ1M9.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OV2BR2G9XZfQ1M9.exe
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OV2BR2G9XZfQ1M9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	OV2BR2G9XZfQ1M9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1700 set thread context of 896	1700	OV2BR2G9XZfQ1M9.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1700	OV2BR2G9XZfQ1M9.exe
896	OV2BR2G9XZfQ1M9.exe
896	OV2BR2G9XZfQ1M9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	OV2BR2G9XZfQ1M9.exe
Token: SeDebugPrivilege	896	OV2BR2G9XZfQ1M9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
896	OV2BR2G9XZfQ1M9.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 860	1700	OV2BR2G9XZfQ1M9.exe	27
PID 1700 wrote to memory of 860	1700	OV2BR2G9XZfQ1M9.exe	27
PID 1700 wrote to memory of 860	1700	OV2BR2G9XZfQ1M9.exe	27
PID 1700 wrote to memory of 860	1700	OV2BR2G9XZfQ1M9.exe	27
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28
PID 1700 wrote to memory of 896	1700	OV2BR2G9XZfQ1M9.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OV2BR2G9XZfQ1M9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OV2BR2G9XZfQ1M9.exe

C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe
"C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe
  "C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe"
  2⤵
  PID:860
- C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe
  "C:\Users\Admin\AppData\Local\Temp\OV2BR2G9XZfQ1M9.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/896-65-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/896-70-0x0000000004B61000-0x0000000004B62000-memory.dmp

Download

memory/896-63-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/896-67-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/896-62-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/896-61-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/896-69-0x0000000004B60000-0x0000000004B61000-memory.dmp

Download

memory/896-64-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1700-55-0x0000000000D20000-0x0000000000D21000-memory.dmp

Download

memory/1700-57-0x00000000758A1000-0x00000000758A3000-memory.dmp

Download

memory/1700-60-0x0000000005770000-0x00000000057DA000-memory.dmp

Download

memory/1700-59-0x0000000000370000-0x0000000000378000-memory.dmp

Download

memory/1700-58-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads