agenttesla | f8945563dab52de0ef1cc3dcce3afbdcd8122cfef0c84a0a5d6661ae3ab6137a

Analysis

max time kernel
117s
max time network
145s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 12:14

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General

Target

Vessel Position.exe
Size

461KB
MD5

2811bb21fbddfc5aa2fc7645899490f1
SHA1

409103b6f327dfdb552dbbcccfc42c8079114f20
SHA256

f8945563dab52de0ef1cc3dcce3afbdcd8122cfef0c84a0a5d6661ae3ab6137a
SHA512

fd51548706dee4ef4ad01e69444c24157760d0f7200adf6293cc7f34700014458cc10d7586e77388b0c91f066baaad982c3365abc79a08cc7b19875c4a7c6e3e
SSDEEP

6144:TWeKZc3d4L6GzC/fikYczRj+m2xHfTVDgjnx3G5UuBjhpH3565Xnnz/8vqe7fV:kLCwczBGVgjx3q5

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
jxkiKr1nB8PV
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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 2 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Vessel Position.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\notepads = "C:\\Users\\Admin\\AppData\\Roaming\\notepads.exe"	Vessel Position.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.

Processes:

flow ioc

6 api.ipify.org
7 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Vessel Position.exe

description pid process target process

PID 2168 set thread context of 2340 2168 Vessel Position.exe Vessel Position.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Vessel Position.exe

pid process

2340 Vessel Position.exe
2340 Vessel Position.exe

flow	ioc
6	api.ipify.org
7	api.ipify.org

description	pid	process	target process
PID 2168 set thread context of 2340	2168	Vessel Position.exe	Vessel Position.exe

pid	process
2340	Vessel Position.exe
2340	Vessel Position.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Vessel Position.exeVessel Position.exe

description	pid	process
Token: SeDebugPrivilege	2168	Vessel Position.exe
Token: SeDebugPrivilege	2168	Vessel Position.exe
Token: SeDebugPrivilege	2340	Vessel Position.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Vessel Position.exe

description	pid	process	target process
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe
PID 2168 wrote to memory of 2340	2168	Vessel Position.exe	Vessel Position.exe

C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel Position.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2168-0-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/2168-1-0x00000000012B0000-0x0000000001326000-memory.dmp

Filesize
472KB

Download
memory/2168-2-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-3-0x0000000008830000-0x0000000008A60000-memory.dmp

Filesize
2.2MB

Download
memory/2168-9-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-17-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-4-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-21-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-13-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-33-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-35-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-37-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-43-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-45-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-51-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-53-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-49-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-47-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-41-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-39-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-31-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-29-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-27-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-25-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-23-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-19-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-15-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-11-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-7-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-5-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-55-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-67-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-65-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-63-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-61-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-59-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-57-0x0000000008830000-0x0000000008A5A000-memory.dmp

Filesize
2.2MB

Download
memory/2168-4890-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-4891-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2168-4893-0x0000000000DC0000-0x0000000000E0C000-memory.dmp

Filesize
304KB

Download
memory/2168-4892-0x0000000005350000-0x00000000053BC000-memory.dmp

Filesize
432KB

Download
memory/2168-4894-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/2168-4895-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-4896-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-4897-0x00000000053C0000-0x0000000005414000-memory.dmp

Filesize
336KB

Download
memory/2168-4912-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-4913-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-4914-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2340-4915-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2340-4916-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download