agenttesla | 00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406

General

Target

00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe
Size

860KB
MD5

7c037be9848f41dcd63da4244c6d060a
SHA1

4e2e8e25f2ac276f6a5b5abceddd0fdbf7940b45
SHA256

00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406
SHA512

9436b2f61b2d5c0a9bdb86829459704347c89c0ef50479d81f5ad0357fbb5fe40392e521c4439afe5cbd8fca40773cfc1c129be588d0ca08e4e45ce5bc5b0c85
SSDEEP

24576:LRmJkcoQricOIQxiZY1WNy7RxKdCij1IN:IJZoQrbTFZY1WNyCC21IN

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\vaccinatory.vbs	vaccinatory.exe

Executes dropped EXE 1 IoCs

pid	Process
5020	vaccinatory.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
15	ip-api.com

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2908-0-0x0000000000400000-0x00000000004B5000-memory.dmp	autoit_exe
behavioral2/files/0x0007000000023c73-10.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5020 set thread context of 4736	5020	vaccinatory.exe	85

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	00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vaccinatory.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4736	RegSvcs.exe
4736	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5020	vaccinatory.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2908	00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe
2908	00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe
5020	vaccinatory.exe
5020	vaccinatory.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2908	00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe
2908	00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe
5020	vaccinatory.exe
5020	vaccinatory.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 5020	2908	00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe	84
PID 2908 wrote to memory of 5020	2908	00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe	84
PID 2908 wrote to memory of 5020	2908	00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe	84
PID 5020 wrote to memory of 4736	5020	vaccinatory.exe	85
PID 5020 wrote to memory of 4736	5020	vaccinatory.exe	85
PID 5020 wrote to memory of 4736	5020	vaccinatory.exe	85
PID 5020 wrote to memory of 4736	5020	vaccinatory.exe	85

C:\Users\Admin\AppData\Local\Temp\00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe
"C:\Users\Admin\AppData\Local\Temp\00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\turbinals\vaccinatory.exe
  "C:\Users\Admin\AppData\Local\Temp\00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.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:5020
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4736

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\turbinals\vaccinatory.exe

Filesize
860KB

MD5
7c037be9848f41dcd63da4244c6d060a

SHA1
4e2e8e25f2ac276f6a5b5abceddd0fdbf7940b45

SHA256
00c26563b4b8f31c19d53446857023c81e59b0acc3fb3c268f304af79862d406

SHA512
9436b2f61b2d5c0a9bdb86829459704347c89c0ef50479d81f5ad0357fbb5fe40392e521c4439afe5cbd8fca40773cfc1c129be588d0ca08e4e45ce5bc5b0c85

Download Submit
memory/2908-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2908-7-0x0000000004070000-0x0000000004270000-memory.dmp

Filesize
2.0MB

Download
memory/4736-23-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/4736-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4736-24-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/4736-25-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/4736-26-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/4736-27-0x00000000065D0000-0x0000000006620000-memory.dmp

Filesize
320KB

Download
memory/4736-28-0x00000000066C0000-0x0000000006752000-memory.dmp

Filesize
584KB

Download
memory/4736-29-0x0000000006650000-0x000000000665A000-memory.dmp

Filesize
40KB

Download
memory/4736-30-0x000000007535E000-0x000000007535F000-memory.dmp

Filesize
4KB

Download
memory/4736-31-0x0000000075350000-0x0000000075B00000-memory.dmp

Filesize
7.7MB

Download
memory/5020-20-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

Filesize
1024KB

Download

Analysis

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