agenttesla | 33116366ba07e00a86a84e5de1a4f0b39c9af17f5c777111f61b4b02b638e5e6

General

Target
906e5190816f545d0a3f9d416d8e1706.exe
Size 1.2MB
Sample200914-45v5cqa33a
SHA256 33116366ba07e00a86a84e5de1a4f0b39c9af17f5c777111f61b4b02b638e5e6
MD5 906e5190816f545d0a3f9d416d8e1706
SHA1 7e97d17f2b5c58e6e2d8a8b71771a7c8a839c136
SHA512 4110cadd3ac102f510d430abf2a381634fcc570da6378a806d4da3eb162a8fab232a57fb0060ee70623f728874925243fc0bcabcccb8e0f2a5510ce9fe9eb904
MD5 SHA1 SHA512

Score

10^/10

agenttesla agilenet keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.b.hostedemail.com
Port
587
Username
[email protected]
Password
Malaysia147

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/628-17-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/628-18-0x000000000046123E-mapping.dmp	family_agenttesla
behavioral1/memory/628-20-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/628-21-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
1448	ndsg.exe
628	AddInProcess32.exe

Loads dropped DLL 2 IoCs

pid	Process
1612	906e5190816f545d0a3f9d416d8e1706.exe
1448	ndsg.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/1612-3-0x00000000003E0000-0x00000000003EB000-memory.dmp	agile_net

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\57QwA12 = "C:\\Users\\Admin\\AppData\\Roaming\\57QwA12\\57QwA12.exe"	AddInProcess32.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\nsmu = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\ndsg.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1448 set thread context of 628	1448	ndsg.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1612	906e5190816f545d0a3f9d416d8e1706.exe
1612	906e5190816f545d0a3f9d416d8e1706.exe
1448	ndsg.exe
1448	ndsg.exe
1448	ndsg.exe
628	AddInProcess32.exe
628	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	906e5190816f545d0a3f9d416d8e1706.exe
Token: SeDebugPrivilege	1448	ndsg.exe
Token: SeDebugPrivilege	628	AddInProcess32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
628	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2024	1612	906e5190816f545d0a3f9d416d8e1706.exe	28
PID 1612 wrote to memory of 2024	1612	906e5190816f545d0a3f9d416d8e1706.exe	28
PID 1612 wrote to memory of 2024	1612	906e5190816f545d0a3f9d416d8e1706.exe	28
PID 1612 wrote to memory of 2024	1612	906e5190816f545d0a3f9d416d8e1706.exe	28
PID 2024 wrote to memory of 2016	2024	cmd.exe	30
PID 2024 wrote to memory of 2016	2024	cmd.exe	30
PID 2024 wrote to memory of 2016	2024	cmd.exe	30
PID 2024 wrote to memory of 2016	2024	cmd.exe	30
PID 1612 wrote to memory of 1448	1612	906e5190816f545d0a3f9d416d8e1706.exe	31
PID 1612 wrote to memory of 1448	1612	906e5190816f545d0a3f9d416d8e1706.exe	31
PID 1612 wrote to memory of 1448	1612	906e5190816f545d0a3f9d416d8e1706.exe	31
PID 1612 wrote to memory of 1448	1612	906e5190816f545d0a3f9d416d8e1706.exe	31
PID 1448 wrote to memory of 628	1448	ndsg.exe	32
PID 1448 wrote to memory of 628	1448	ndsg.exe	32
PID 1448 wrote to memory of 628	1448	ndsg.exe	32
PID 1448 wrote to memory of 628	1448	ndsg.exe	32
PID 1448 wrote to memory of 628	1448	ndsg.exe	32
PID 1448 wrote to memory of 628	1448	ndsg.exe	32
PID 1448 wrote to memory of 628	1448	ndsg.exe	32
PID 1448 wrote to memory of 628	1448	ndsg.exe	32
PID 1448 wrote to memory of 628	1448	ndsg.exe	32

C:\Users\Admin\AppData\Local\Temp\906e5190816f545d0a3f9d416d8e1706.exe
"C:\Users\Admin\AppData\Local\Temp\906e5190816f545d0a3f9d416d8e1706.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v nsmu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ndsg.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v nsmu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ndsg.exe"
    3⤵
    - Adds Run key to start application
    PID:2016
- C:\Users\Admin\ndsg.exe
  "C:\Users\Admin\ndsg.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1448
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/628-20-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/628-22-0x0000000073310000-0x00000000739FE000-memory.dmp

Download

memory/628-21-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/628-17-0x0000000000400000-0x0000000000466000-memory.dmp

Download

memory/1448-10-0x0000000073F90000-0x000000007467E000-memory.dmp

Download

memory/1448-11-0x0000000000160000-0x0000000000161000-memory.dmp

Download

memory/1448-14-0x0000000000560000-0x0000000000563000-memory.dmp

Download

memory/1612-3-0x00000000003E0000-0x00000000003EB000-memory.dmp

Download

memory/1612-1-0x00000000012C0000-0x00000000012C1000-memory.dmp

Download

memory/1612-0-0x0000000073F90000-0x000000007467E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads