agenttesla | 15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996

General

Target

15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe
Size

5.2MB
MD5

3fe5154545a6e8c47335c12fcf16b481
SHA1

7768419fc41a9bbe7fd22896e1e871316fe631a2
SHA256

15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996
SHA512

1cafb13bfc7ad5af6fe6f3aa7f7589b2c8ed9856b351df77e67e8df816f8dd8a94048f2d49bfd205c3e4e6d1894e1ab4f1c4487ed3d1bd0ab9d1958f59d09283
SSDEEP

49152:xbBzJFqLJMYJ3SlFdw/7xhSFOOrTM7F44eF4Gx13Wt64XnrE/ylDYRcrbZ4GOmd7:xbELJM50xhfOidV/eRLmW0XpSoZIeBt

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Signatures

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

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	installutil.exe

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 632 set thread context of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3040	installutil.exe
3040	installutil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	installutil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3040	installutil.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 3040	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	30
PID 632 wrote to memory of 2384	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	31
PID 632 wrote to memory of 2384	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	31
PID 632 wrote to memory of 2384	632	15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe	31

C:\Users\Admin\AppData\Local\Temp\15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe
"C:\Users\Admin\AppData\Local\Temp\15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3040
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 632 -s 620
  2⤵
  PID:2384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/632-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

Filesize
4KB

Download
memory/632-1-0x0000000000F50000-0x0000000001486000-memory.dmp

Filesize
5.2MB

Download
memory/632-2-0x0000000000580000-0x0000000000616000-memory.dmp

Filesize
600KB

Download
memory/632-3-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/632-21-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/632-20-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

Filesize
4KB

Download
memory/3040-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3040-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3040-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3040-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3040-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3040-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3040-16-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/3040-17-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3040-22-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/3040-23-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads