agenttesla | 355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8

General

Target

355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe
Size

1.1MB
MD5

a437894833f1d29adfdff86cadefc0fb
SHA1

a6026520fb59515d7533ab33548f926f0d1e9a13
SHA256

355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8
SHA512

d6012c6c7c7f776c0540df3b98f6e55f9039a6c99b57b3d5c71cc55ab3e514bae3318b1ecc4289a09363a74b8ddc88d8fcb6be0e5e8635d487b60072101567b3
SSDEEP

24576:WfmMv6Ckr7Mny5Q6J7IAH/iZpGY/fUAo9TZq:W3v+7/5Q6J7IAH/inDfUAojq

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:
uy,o#mZj8$lY

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
uy,o#mZj8$lY

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	RegSvcs.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
20	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 220 set thread context of 1756	220	355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe	86

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 2 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	355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1756	RegSvcs.exe
1756	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
220	355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1756	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 1756	220	355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe	86
PID 220 wrote to memory of 1756	220	355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe	86
PID 220 wrote to memory of 1756	220	355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe	86
PID 220 wrote to memory of 1756	220	355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe	86

C:\Users\Admin\AppData\Local\Temp\355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe
"C:\Users\Admin\AppData\Local\Temp\355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\355878cfd65adca3a5ee759a484041f823bc9578099e5ef4180de198931592f8.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:1756

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 Information Discovery

1

T1082

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/220-2-0x00000000042E0000-0x00000000046E0000-memory.dmp

Filesize
4.0MB

Download
memory/1756-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1756-4-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/1756-5-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/1756-6-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/1756-7-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1756-10-0x00000000067A0000-0x00000000067F0000-memory.dmp

Filesize
320KB

Download
memory/1756-11-0x0000000006910000-0x00000000069A2000-memory.dmp

Filesize
584KB

Download
memory/1756-12-0x00000000068B0000-0x00000000068BA000-memory.dmp

Filesize
40KB

Download
memory/1756-13-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/1756-14-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads