agenttesla | 6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc

General

Target

6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe
Size

1.1MB
MD5

d6c8ba68ecf78fc39bcd1895bb649cd9
SHA1

8bc0ad1a87a0241602f17930dc8f8a358a471c9a
SHA256

6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc
SHA512

684965d0a68b7a291cc6788dbbdc61290269c551d8e55246385b0220e05b516680496950d73d7f5e06b8b35f1af8d4a0dd6d9e4413fbe1a6a1ab8d34e9b54dbc
SSDEEP

24576:LRmJkcoQricOIQxiZY1WNy/IFFq3h+640rSTkDs7n:IJZoQrbTFZY1WNyaSwGDM

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\hurtling.vbs	hurtling.exe

Executes dropped EXE 1 IoCs

pid	Process
3088	hurtling.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 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3128-0-0x0000000000400000-0x00000000004B5000-memory.dmp	autoit_exe
behavioral2/memory/3128-3-0x00000000041B0000-0x00000000043B0000-memory.dmp	autoit_exe
behavioral2/files/0x000a000000023b67-6.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3088 set thread context of 4332	3088	hurtling.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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurtling.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4332	RegSvcs.exe
4332	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3088	hurtling.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4332	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3128	6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe
3128	6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe
3088	hurtling.exe
3088	hurtling.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3128	6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe
3128	6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe
3088	hurtling.exe
3088	hurtling.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 3088	3128	6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe	83
PID 3128 wrote to memory of 3088	3128	6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe	83
PID 3128 wrote to memory of 3088	3128	6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe	83
PID 3088 wrote to memory of 4332	3088	hurtling.exe	84
PID 3088 wrote to memory of 4332	3088	hurtling.exe	84
PID 3088 wrote to memory of 4332	3088	hurtling.exe	84
PID 3088 wrote to memory of 4332	3088	hurtling.exe	84

C:\Users\Admin\AppData\Local\Temp\6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe
"C:\Users\Admin\AppData\Local\Temp\6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3128
- C:\Users\Admin\AppData\Local\parachronism\hurtling.exe
  "C:\Users\Admin\AppData\Local\Temp\6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.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:3088
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4332

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\parachronism\hurtling.exe

Filesize
1.1MB

MD5
d6c8ba68ecf78fc39bcd1895bb649cd9

SHA1
8bc0ad1a87a0241602f17930dc8f8a358a471c9a

SHA256
6439e0cd38842bbd00a4165f0625b2dc6fea9c9a7fcbb0f05ab16e6829c558bc

SHA512
684965d0a68b7a291cc6788dbbdc61290269c551d8e55246385b0220e05b516680496950d73d7f5e06b8b35f1af8d4a0dd6d9e4413fbe1a6a1ab8d34e9b54dbc

Download Submit
memory/3088-12-0x0000000003ED0000-0x00000000040D0000-memory.dmp

Filesize
2.0MB

Download
memory/3128-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3128-3-0x00000000041B0000-0x00000000043B0000-memory.dmp

Filesize
2.0MB

Download
memory/4332-15-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/4332-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4332-16-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/4332-17-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/4332-18-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4332-19-0x0000000006980000-0x00000000069D0000-memory.dmp

Filesize
320KB

Download
memory/4332-20-0x0000000006A70000-0x0000000006B02000-memory.dmp

Filesize
584KB

Download
memory/4332-21-0x0000000006A00000-0x0000000006A0A000-memory.dmp

Filesize
40KB

Download
memory/4332-22-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/4332-23-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download

Analysis

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