agenttesla | b011d6f45feac0fc5b1e153d7f0da44b0750c177761bce45a6f7614ea476bb2b

General

Target

aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
Size

1.0MB
MD5

9e03276a3ccd1da3abc584204dfdf469
SHA1

4292112e581499f7eb83f69653f6ee40ea3aa1c3
SHA256

aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35
SHA512

301d58e9187294ca582ebb31df62367e4043e3811ecbb2c2457d89dd6a6892848dfa7014c6e17c371fa9c3942a95f288bef7e6f1e5a8b0fa353ced0c4a9233ea
SSDEEP

12288:+R/iAtfBSkkkkkkkkkkkkkkx9L+kIkkvkkkkkkkk7ZLyzF3feqWu3m1CZHo1SUFs:+RqAtklIAvL3gnvq0A

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.aivazibis.com
Port:
587
Username:
[email protected]
Password:
kp@BFLC1

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/1164-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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 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
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-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 220 set thread context of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96

System Location Discovery: System Language Discovery 1 TTPs 2 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	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
1164	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
1164	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
Token: SeDebugPrivilege	1164	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 1568	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	95
PID 220 wrote to memory of 1568	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	95
PID 220 wrote to memory of 1568	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	95
PID 220 wrote to memory of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96
PID 220 wrote to memory of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96
PID 220 wrote to memory of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96
PID 220 wrote to memory of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96
PID 220 wrote to memory of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96
PID 220 wrote to memory of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96
PID 220 wrote to memory of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96
PID 220 wrote to memory of 1164	220	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe

C:\Users\Admin\AppData\Local\Temp\aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
"C:\Users\Admin\AppData\Local\Temp\aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220
- C:\Users\Admin\AppData\Local\Temp\aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
  "{path}"
  2⤵
  PID:1568
- C:\Users\Admin\AppData\Local\Temp\aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\aa619da09e3fec8627d139e888381ef1dfd8bc79a67b8f473be0ae2e40619c35.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/220-12-0x0000000005EB0000-0x0000000005EEC000-memory.dmp

Filesize
240KB

Download
memory/220-7-0x0000000005BE0000-0x0000000005C36000-memory.dmp

Filesize
344KB

Download
memory/220-3-0x0000000005F60000-0x0000000006504000-memory.dmp

Filesize
5.6MB

Download
memory/220-4-0x0000000005A50000-0x0000000005AE2000-memory.dmp

Filesize
584KB

Download
memory/220-5-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/220-6-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/220-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/220-8-0x0000000001900000-0x0000000001914000-memory.dmp

Filesize
80KB

Download
memory/220-9-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/220-10-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/220-2-0x0000000005910000-0x00000000059AC000-memory.dmp

Filesize
624KB

Download
memory/220-11-0x0000000006E80000-0x0000000006F04000-memory.dmp

Filesize
528KB

Download
memory/220-17-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/220-1-0x0000000000E30000-0x0000000000F36000-memory.dmp

Filesize
1.0MB

Download
memory/1164-16-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1164-18-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1164-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1164-19-0x0000000005CF0000-0x0000000005D08000-memory.dmp

Filesize
96KB

Download
memory/1164-20-0x00000000067C0000-0x0000000006826000-memory.dmp

Filesize
408KB

Download
memory/1164-21-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1164-22-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1164-23-0x0000000006DB0000-0x0000000006E00000-memory.dmp

Filesize
320KB

Download
memory/1164-24-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/1164-25-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download

Analysis

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