agenttesla | 66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f

General

Target

66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe
Size

872KB
MD5

a80cc11115ee01130a95952d2556fde7
SHA1

d7974567a59a65f6ed55ff499150de2f069f02e2
SHA256

66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f
SHA512

9a127436bf63046c2c9832d7a5c0b10c11f694572c33a528c7f64d73b60feeaa36dc72cffb9ea46b56e8a6e1ea2cd53e5fe998db9ea22ccc94923569393b43f7
SSDEEP

12288:or5JQJujQkoqtI8+6uTtVq7guWrWsgLngfuuvLspmwMwZZmtNZO7cJMuPMR+ur6q:K5JQKhD8FTtEgFnEqu4PeZQLauPXp

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

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

Signatures

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

AgentTesla payload 6 IoCs

resource	yara_rule
behavioral1/memory/1332-63-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1332-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1332-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1332-66-0x0000000000454E7E-mapping.dmp	family_agenttesla
behavioral1/memory/1332-68-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1332-70-0x0000000000400000-0x000000000045A000-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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.amazonaws.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30

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

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

T1053

pid	Process
1712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1332	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe
1332	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1332	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1332	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1712	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	28
PID 1996 wrote to memory of 1712	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	28
PID 1996 wrote to memory of 1712	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	28
PID 1996 wrote to memory of 1712	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	28
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30
PID 1996 wrote to memory of 1332	1996	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe

C:\Users\Admin\AppData\Local\Temp\66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe
"C:\Users\Admin\AppData\Local\Temp\66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wbEVzfWZQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1712
- C:\Users\Admin\AppData\Local\Temp\66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.exe
  "C:\Users\Admin\AppData\Local\Temp\66598898a7a8f085e2799e2fbd9ccff05db6db0c931fda324f24374b74ea7e9f.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:1332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

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\Temp\tmpEE0.tmp

Filesize
1KB

MD5
71350937567e21fa59a10a26a342db78

SHA1
86ec46ed8049bbc92227dce8e4a39e12d4d0fa8e

SHA256
a372cdd38c4fc96478cef458d6c8e25413fad67c9a4599837e91275ec1028dce

SHA512
47b38737be951c00f9ac47f6cf1fb871ad7d7d4cf28bd9fd3fd4503aa12372efbb24e083813959baa04b49841302004d8ceb95723b74f93835bf8e1f2205dec0

Download Submit
memory/1332-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1332-72-0x0000000000520000-0x000000000052A000-memory.dmp

Filesize
40KB

Download
memory/1332-70-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1332-68-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1332-60-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1332-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1332-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1332-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1996-54-0x0000000010930000-0x0000000010A0E000-memory.dmp

Filesize
888KB

Download
memory/1996-56-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/1996-55-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

Download
memory/1996-57-0x00000000056A0000-0x000000000572A000-memory.dmp

Filesize
552KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads