agenttesla | b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca

General

Target

b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
Size

705KB
MD5

cd3a6f4e87632d933a99502e32a34b73
SHA1

0033645d2b94cf4e56c8ea6eb8508e3c2ee77b11
SHA256

b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca
SHA512

5bb5961f2c0a22ac96ddbf6865ca73d308da2a9d0d04b4265debeed062ff56e7cff9cee8bf428f027f0849f27d01d84fa9b0e0b6902e8b594ceac2b7da73dc0b
SSDEEP

12288:uyU5mU+8o1XTsMGQ8rbHJwVKlwIuyrxLr45MF1R43MtK6jO7i1DIYop:vUx4TXGtHFlwIvN05MF1Tj4i1DMp

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
w#chNV#1
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2740	powershell.exe
2844	powershell.exe

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 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe"	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.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	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2104 set thread context of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
2632	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
2632	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
2844	powershell.exe
2740	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
Token: SeDebugPrivilege	2632	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	2844	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2740	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	31
PID 2104 wrote to memory of 2740	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	31
PID 2104 wrote to memory of 2740	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	31
PID 2104 wrote to memory of 2740	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	31
PID 2104 wrote to memory of 2844	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	33
PID 2104 wrote to memory of 2844	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	33
PID 2104 wrote to memory of 2844	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	33
PID 2104 wrote to memory of 2844	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	33
PID 2104 wrote to memory of 2764	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	35
PID 2104 wrote to memory of 2764	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	35
PID 2104 wrote to memory of 2764	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	35
PID 2104 wrote to memory of 2764	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	35
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37
PID 2104 wrote to memory of 2632	2104	b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe	37

C:\Users\Admin\AppData\Local\Temp\b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
"C:\Users\Admin\AppData\Local\Temp\b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jHJQWf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jHJQWf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE66.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2764
- C:\Users\Admin\AppData\Local\Temp\b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe
  "C:\Users\Admin\AppData\Local\Temp\b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCE66.tmp

Filesize
1KB

MD5
db5337052a53758ca406ddb26f764344

SHA1
c973cf1a40f633d8eb130fb43c3088c629d8363c

SHA256
7c2ca0fcf84e46b2b0930f0aaa4325b89d58ba2fe316cf7e8671b11675a3c1b6

SHA512
717daee02a94d31f98cf8354fe3c7e5a35af510bd22f568940b11365beb0f9b5936f28f92ce0b181785f938f49d5e62d0422dfc41473a249f733024fa324e4dc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
b79b2d94f174d4b340af1df053a18add

SHA1
d3af75fcce42e5ec98c9d4639990cd6ca0eb6256

SHA256
6b5117588e71060899d136e6d33e1b872779114feb0e7fd9948422a40b7a34f1

SHA512
ec9e1a3c53c440ba10cf4e7b22b7c32f60809e8274265c16edb8dd8434393e90423ecfe146487fccfcfff69bc66ab057b29755a1b226ac35458bac098f15c7ed

Download Submit
memory/2104-4-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2104-31-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-0-0x000000007415E000-0x000000007415F000-memory.dmp

Filesize
4KB

Download
memory/2104-5-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-6-0x0000000004DB0000-0x0000000004E34000-memory.dmp

Filesize
528KB

Download
memory/2104-2-0x0000000074150000-0x000000007483E000-memory.dmp

Filesize
6.9MB

Download
memory/2104-1-0x00000000009F0000-0x0000000000AA6000-memory.dmp

Filesize
728KB

Download
memory/2104-3-0x0000000000990000-0x00000000009A8000-memory.dmp

Filesize
96KB

Download
memory/2632-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2632-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2632-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2632-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2632-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2632-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2632-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads