agenttesla | a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8

Analysis

max time kernel
102s
max time network
104s
platform
windows7_x64
resource
win7v20201028
submitted
11/01/2021, 08:14

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General

Target
Re.invoice.exe
Size 424KB
Sample210111-vrjgwbcac2
SHA256 a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8
MD5 5d3cbe019a162f85909571b258ea7c0f
SHA1 b5c468f2da9154e49af3ffb6079b0f2040e33ae2
SHA512 5d80d7e4e1faeccd6d1cff6f8e2d52e895d5e0be68ab4f1b42d5708f5cbe63ec406de9a33a4d3a6d0c7419e4a8060f7c523065af1f776ce94a37b09d27ff2f5b
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
srvc13.turhost.com
Port
587
Username
[email protected]
Password
italik2015

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1756-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1756-12-0x00000000004374DE-mapping.dmp	family_agenttesla
behavioral1/memory/1756-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1756-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 784 set thread context of 1756	784	Re.invoice.exe	28

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1984	Powershell.exe
1756	Re.invoice.exe
1756	Re.invoice.exe
1984	Powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	Powershell.exe
Token: SeDebugPrivilege	1756	Re.invoice.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 1984	784	Re.invoice.exe	26
PID 784 wrote to memory of 1984	784	Re.invoice.exe	26
PID 784 wrote to memory of 1984	784	Re.invoice.exe	26
PID 784 wrote to memory of 1984	784	Re.invoice.exe	26
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28
PID 784 wrote to memory of 1756	784	Re.invoice.exe	28

C:\Users\Admin\AppData\Local\Temp\Re.invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Re.invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Re.invoice.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1984
- C:\Users\Admin\AppData\Local\Temp\Re.invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Re.invoice.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/784-10-0x0000000000410000-0x000000000041F000-memory.dmp

Download

memory/784-3-0x00000000011A0000-0x00000000011A1000-memory.dmp

Download

memory/784-5-0x0000000000B70000-0x0000000000BD4000-memory.dmp

Download

memory/784-2-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Download

memory/1756-15-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Download

memory/1756-14-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1756-13-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1756-11-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1984-7-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Download

memory/1984-9-0x0000000004840000-0x0000000004841000-memory.dmp

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memory/1984-8-0x00000000003D0000-0x00000000003D1000-memory.dmp

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memory/1984-18-0x0000000002620000-0x0000000002621000-memory.dmp

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memory/1984-19-0x0000000005240000-0x0000000005241000-memory.dmp

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memory/1984-22-0x0000000005670000-0x0000000005671000-memory.dmp

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memory/1984-27-0x00000000056B0000-0x00000000056B1000-memory.dmp

Download

memory/1984-28-0x0000000006190000-0x0000000006191000-memory.dmp

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memory/1984-35-0x0000000006130000-0x0000000006131000-memory.dmp

Download