agenttesla | 444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d

General

Target

444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe
Size

1.1MB
MD5

1f383b406074c2253d0e4a979703540d
SHA1

246c5ad4c8c719e430509dd7023536759cc2af6a
SHA256

444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d
SHA512

32b38a211f0abb8c68c93888ed8fa4234ff9e35073b94f4d8d665d82459bd6da15c0504d29728ea6bbfd6a4abd0e07ab538b2237800b85ae5624bf223a1d8ba9
SSDEEP

24576:uRmJkcoQricOIQxiZY1WNQKlrjlg3p2JGLNx7qqN2O88:7JZoQrbTFZY1WNQKzg3p2cLNxuqoO9

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\unrosed.vbs	unrosed.exe

Executes dropped EXE 1 IoCs

pid	Process
2004	unrosed.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
14	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0007000000023c8e-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2004 set thread context of 5096	2004	unrosed.exe	84

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 3 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	444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unrosed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5096	RegSvcs.exe
5096	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2004	unrosed.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5096	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4316	444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe
4316	444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe
2004	unrosed.exe
2004	unrosed.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4316	444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe
4316	444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe
2004	unrosed.exe
2004	unrosed.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 2004	4316	444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe	83
PID 4316 wrote to memory of 2004	4316	444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe	83
PID 4316 wrote to memory of 2004	4316	444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe	83
PID 2004 wrote to memory of 5096	2004	unrosed.exe	84
PID 2004 wrote to memory of 5096	2004	unrosed.exe	84
PID 2004 wrote to memory of 5096	2004	unrosed.exe	84
PID 2004 wrote to memory of 5096	2004	unrosed.exe	84

C:\Users\Admin\AppData\Local\Temp\444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe
"C:\Users\Admin\AppData\Local\Temp\444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Users\Admin\AppData\Local\chordates\unrosed.exe
  "C:\Users\Admin\AppData\Local\Temp\444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\chordates\unrosed.exe

Filesize
1.1MB

MD5
1f383b406074c2253d0e4a979703540d

SHA1
246c5ad4c8c719e430509dd7023536759cc2af6a

SHA256
444a5f9a40e319beb2b062de6e9c776f6fbaceb2ca588f92d6651a8fdf46e69d

SHA512
32b38a211f0abb8c68c93888ed8fa4234ff9e35073b94f4d8d665d82459bd6da15c0504d29728ea6bbfd6a4abd0e07ab538b2237800b85ae5624bf223a1d8ba9

Download Submit
memory/2004-10-0x00000000038D0000-0x0000000003AD0000-memory.dmp

Filesize
2.0MB

Download
memory/4316-2-0x00000000041B0000-0x00000000043B0000-memory.dmp

Filesize
2.0MB

Download
memory/5096-14-0x00000000054B0000-0x0000000005A54000-memory.dmp

Filesize
5.6MB

Download
memory/5096-13-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

Filesize
4KB

Download
memory/5096-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5096-15-0x0000000005000000-0x0000000005066000-memory.dmp

Filesize
408KB

Download
memory/5096-16-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/5096-17-0x00000000062B0000-0x0000000006300000-memory.dmp

Filesize
320KB

Download
memory/5096-18-0x00000000063A0000-0x0000000006432000-memory.dmp

Filesize
584KB

Download
memory/5096-19-0x0000000006330000-0x000000000633A000-memory.dmp

Filesize
40KB

Download
memory/5096-20-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

Filesize
4KB

Download
memory/5096-21-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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