agenttesla | 15712c6c43c25291c0bff7e6e67df590fbfc1db2e00f341f65c13eb001ba0996

General

Target

QUOTATION008792.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	jsc.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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 1740	2124	QUOTATION008792.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	jsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1740	jsc.exe
1740	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	jsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1740	jsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 1740	2124	QUOTATION008792.exe	30
PID 2124 wrote to memory of 2224	2124	QUOTATION008792.exe	31
PID 2124 wrote to memory of 2224	2124	QUOTATION008792.exe	31
PID 2124 wrote to memory of 2224	2124	QUOTATION008792.exe	31

C:\Users\Admin\AppData\Local\Temp\QUOTATION008792.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION008792.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.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:1740
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2124 -s 620
  2⤵
  PID:2224

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

Replay Monitor

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Downloads

memory/1740-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1740-15-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1740-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1740-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1740-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1740-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1740-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1740-21-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-20-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1740-14-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1740-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2124-3-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download
memory/2124-1-0x0000000001030000-0x0000000001566000-memory.dmp

Filesize
5.2MB

Download
memory/2124-18-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp

Filesize
4KB

Download
memory/2124-19-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download
memory/2124-2-0x0000000000A40000-0x0000000000AD6000-memory.dmp

Filesize
600KB

Download
memory/2124-0-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads