agenttesla | 2f1a6b566dc0d2b8e5fcdcf67adc0be912f73fe14c27b262b610dfcd03cd4686

Analysis

max time kernel
98s
max time network
42s
platform
windows7_x64
resource
win7v20201028
submitted
15-03-2021 09:50

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General

Target

Downloads1/61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
Size

236KB
MD5

e1618002c8700b4ae261b1e5aea00e42
SHA1

71a93b760fb4c0ee6201ea09a19b50fd46d0439f
SHA256

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89
SHA512

264a802e3e9e406d4a3f42d518a1ee1d6492cc012489c22525f1476375d73008e9b79d85f789f6d321b39800374fefbfa671031e4db6e247a152205cf4f76b3a

Score

10^/10

agenttesla evasion keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\First Data Corp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\First Data Corp\\First Data Corp.exe"	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.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.

Processes:

flow ioc

5 checkip.dyndns.org

flow	ioc
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

description	pid	process	target process
PID 1856 set thread context of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

pid	process
1276	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
1276	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

description	pid	process
Token: SeDebugPrivilege	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
Token: SeDebugPrivilege	1276	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

pid process

1276 61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

description	pid	process	target process
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
PID 1856 wrote to memory of 1276	1856	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe	61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe

C:\Users\Admin\AppData\Local\Temp\Downloads1\61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
"C:\Users\Admin\AppData\Local\Temp\Downloads1\61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856

C:\Users\Admin\AppData\Local\Temp\Downloads1\61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe
"C:\Users\Admin\AppData\Local\Temp\Downloads1\61f2d6fa249bfd74e59d8f6d50191c62490fc690f7fb035fe2133b4566b38a89.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1276

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/436-9-0x000007FEF67C0000-0x000007FEF6A3A000-memory.dmp

Filesize
2.5MB

Download
memory/1276-5-0x000000000042F43E-mapping.dmp

Download
memory/1276-4-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1276-7-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1276-8-0x00000000004D1000-0x00000000004D2000-memory.dmp

Filesize
4KB

Download
memory/1856-2-0x00000000767E1000-0x00000000767E3000-memory.dmp

Filesize
8KB

Download
memory/1856-3-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download