agenttesla | 8412cec351eb6eee2f3c66ef6567a80e828a86ad904d41753b4510ef068e5c50

Analysis

max time kernel
26s
max time network
114s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 09:10

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General

Target
New PO 24072024 pdf.exe
Size 575KB
Sample240809-k4279ssfng
SHA256 8412cec351eb6eee2f3c66ef6567a80e828a86ad904d41753b4510ef068e5c50
MD5 b04586028fe45cbf4d0b3d981040b9d9
SHA1 7146917ad7a934af85ad1076770c95d036503ff0
SHA512 d7a152997a939cf0ac3591d9258e99d6d736d97b3bcb241069168f20f3b0f2431971134aea576946a199984016a692f631366e779997a1fb43bf32b29b70e4b4
SSDEEP 12288:FsHzOUNUSB/o5LsI1uwajJ5yvv1l2vAOy0pUwz9339qRJEIVj1:8iUmSB/o5d1ubcvki0pUwz9YRJEEp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://inhanoi.net.vn
Port
21
Username
[email protected]
Password
^TSt3!FK$UBA

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2120-0-0x0000000000CB0000-0x0000000000DFB000-memory.dmp	upx
behavioral1/memory/2120-18-0x0000000000CB0000-0x0000000000DFB000-memory.dmp	upx

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
5	api.ipify.org
4	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2120-18-0x0000000000CB0000-0x0000000000DFB000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 2288	2120	New PO 24072024 pdf.exe	29

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	New PO 24072024 pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2288	RegSvcs.exe
2288	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2120	New PO 24072024 pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2120	New PO 24072024 pdf.exe
2120	New PO 24072024 pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2120	New PO 24072024 pdf.exe
2120	New PO 24072024 pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2288	2120	New PO 24072024 pdf.exe	29
PID 2120 wrote to memory of 2288	2120	New PO 24072024 pdf.exe	29
PID 2120 wrote to memory of 2288	2120	New PO 24072024 pdf.exe	29
PID 2120 wrote to memory of 2288	2120	New PO 24072024 pdf.exe	29
PID 2120 wrote to memory of 2288	2120	New PO 24072024 pdf.exe	29
PID 2120 wrote to memory of 2288	2120	New PO 24072024 pdf.exe	29
PID 2120 wrote to memory of 2288	2120	New PO 24072024 pdf.exe	29
PID 2120 wrote to memory of 2288	2120	New PO 24072024 pdf.exe	29

C:\Users\Admin\AppData\Local\Temp\New PO 24072024 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\New PO 24072024 pdf.exe"
1⤵
- 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:2120
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\New PO 24072024 pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2120-0-0x0000000000CB0000-0x0000000000DFB000-memory.dmp

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memory/2120-11-0x0000000000120000-0x0000000000124000-memory.dmp

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memory/2120-18-0x0000000000CB0000-0x0000000000DFB000-memory.dmp

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memory/2288-16-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2288-14-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2288-12-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2288-19-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

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memory/2288-20-0x0000000074B60000-0x000000007524E000-memory.dmp

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memory/2288-21-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

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memory/2288-22-0x0000000074B60000-0x000000007524E000-memory.dmp

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