agenttesla | f1d4b66a8de9c9869e4014a798d36795cb43bdbcdefd795b87c7d3b066abaee1

General

Target

Pre-Alert BOTNAY BAY V-1E/Pre-Alert BOTNAY BAY V-1E.exe
Size

1.7MB
MD5

4c80becc727130fae34c312295f56517
SHA1

d5aed4fa3fbf2994680c97b95a68eeb2e992fc65
SHA256

f2448e5b108286c840b6d8a283af1f980818d500dacf0f04a8b424cd70b6d442
SHA512

d0be51acb0e1a88523d2152054990d862972fc755ec647763707275828f97eccbcbd502b8ee43ae53a79d7018876f2f9a39ed3d1e9d5518604e57c4971480c86
SSDEEP

24576:CSexfdrBbi0T+IKztFBGDVXsgpriBWmSOe/E3vq6EsSV:X8fTBKz/0BNiBWmNesfq6Es

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
s4.serv00.com
Port:
21
Username:
f2241_evica
Password:
Doll440@@

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://s4.serv00.com
Port:
21
Username:
f2241_evica
Password:
Doll440@@

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2084	Pre-Alert BOTNAY BAY V-1E.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adobe = "C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobe.exe"	Pre-Alert BOTNAY BAY V-1E.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
23	api.ipify.org
24	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3760 set thread context of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91

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	Pre-Alert BOTNAY BAY V-1E.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Pre-Alert BOTNAY BAY V-1E.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2084	Pre-Alert BOTNAY BAY V-1E.exe
2084	Pre-Alert BOTNAY BAY V-1E.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	Pre-Alert BOTNAY BAY V-1E.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2084	Pre-Alert BOTNAY BAY V-1E.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91
PID 3760 wrote to memory of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91
PID 3760 wrote to memory of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91
PID 3760 wrote to memory of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91
PID 3760 wrote to memory of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91
PID 3760 wrote to memory of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91
PID 3760 wrote to memory of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91
PID 3760 wrote to memory of 2084	3760	Pre-Alert BOTNAY BAY V-1E.exe	91

C:\Users\Admin\AppData\Local\Temp\Pre-Alert BOTNAY BAY V-1E\Pre-Alert BOTNAY BAY V-1E.exe
"C:\Users\Admin\AppData\Local\Temp\Pre-Alert BOTNAY BAY V-1E\Pre-Alert BOTNAY BAY V-1E.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3760
- C:\Users\Admin\AppData\Local\Temp\Pre-Alert BOTNAY BAY V-1E\Pre-Alert BOTNAY BAY V-1E.exe
  "C:\Users\Admin\AppData\Local\Temp\Pre-Alert BOTNAY BAY V-1E\Pre-Alert BOTNAY BAY V-1E.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2084

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Pre-Alert BOTNAY BAY V-1E\Pre-Alert BOTNAY BAY V-1E.exe

Filesize
1.7MB

MD5
4c80becc727130fae34c312295f56517

SHA1
d5aed4fa3fbf2994680c97b95a68eeb2e992fc65

SHA256
f2448e5b108286c840b6d8a283af1f980818d500dacf0f04a8b424cd70b6d442

SHA512
d0be51acb0e1a88523d2152054990d862972fc755ec647763707275828f97eccbcbd502b8ee43ae53a79d7018876f2f9a39ed3d1e9d5518604e57c4971480c86

Download Submit
memory/2084-20-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/2084-19-0x0000000007110000-0x0000000007160000-memory.dmp

Filesize
320KB

Download
memory/2084-15-0x0000000005AD0000-0x0000000005B36000-memory.dmp

Filesize
408KB

Download
memory/2084-14-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/2084-13-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/2084-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3760-5-0x0000000005A00000-0x0000000005A0A000-memory.dmp

Filesize
40KB

Download
memory/3760-8-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/3760-9-0x0000000005C20000-0x0000000005CBC000-memory.dmp

Filesize
624KB

Download
memory/3760-10-0x0000000005A50000-0x0000000005A58000-memory.dmp

Filesize
32KB

Download
memory/3760-7-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

Filesize
4KB

Download
memory/3760-6-0x0000000005B10000-0x0000000005B80000-memory.dmp

Filesize
448KB

Download
memory/3760-4-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/3760-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

Filesize
4KB

Download
memory/3760-16-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/3760-3-0x0000000005860000-0x00000000058F2000-memory.dmp

Filesize
584KB

Download
memory/3760-2-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download
memory/3760-1-0x0000000000C80000-0x0000000000E42000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads