agenttesla | 9ff1b6916656ef628562de71e0fe52ce59ff0a60e618dce7c896239d52d934fa

Analysis

max time kernel
121s
max time network
131s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 01:45

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General

Target

pziB4yM4FrJjxoA.exe
Size

656KB
MD5

9949c58a8b33cbe0bcda599f0375f658
SHA1

3072f9c9d5f62ab5e8375cb51b6ce796977322dc
SHA256

83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1
SHA512

18949f9fc8092c04b4389b00109ea8d08ddb607d631e29902c9c92798950397453ff123f268f50d52732f6492ac7e22ca8a75091f70f2d1c9503f6e573308c1d
SSDEEP

12288:8H2iNlw0gPsV/68UditxkCOtzigHgYiJO/wwvJyMyXzN5tfd:C1XCcZttqCOtvHxiAVJy/nt

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot7073576997:AAHjVtyF2bgE69UMVGiHWA3fZk0LIdp1j_Y/

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
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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

pziB4yM4FrJjxoA.exe

description pid process target process

PID 2064 set thread context of 2140 2064 pziB4yM4FrJjxoA.exe pziB4yM4FrJjxoA.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 2064 set thread context of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

pziB4yM4FrJjxoA.exepziB4yM4FrJjxoA.exe

pid	process
2064	pziB4yM4FrJjxoA.exe
2064	pziB4yM4FrJjxoA.exe
2064	pziB4yM4FrJjxoA.exe
2064	pziB4yM4FrJjxoA.exe
2064	pziB4yM4FrJjxoA.exe
2064	pziB4yM4FrJjxoA.exe
2064	pziB4yM4FrJjxoA.exe
2064	pziB4yM4FrJjxoA.exe
2064	pziB4yM4FrJjxoA.exe
2140	pziB4yM4FrJjxoA.exe
2140	pziB4yM4FrJjxoA.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

pziB4yM4FrJjxoA.exepziB4yM4FrJjxoA.exe

description pid process

Token: SeDebugPrivilege 2064 pziB4yM4FrJjxoA.exe
Token: SeDebugPrivilege 2140 pziB4yM4FrJjxoA.exe

description	pid	process
Token: SeDebugPrivilege	2064	pziB4yM4FrJjxoA.exe
Token: SeDebugPrivilege	2140	pziB4yM4FrJjxoA.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

pziB4yM4FrJjxoA.exe

description	pid	process	target process
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2064 wrote to memory of 2140	2064	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe

C:\Users\Admin\AppData\Local\Temp\pziB4yM4FrJjxoA.exe
"C:\Users\Admin\AppData\Local\Temp\pziB4yM4FrJjxoA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064

C:\Users\Admin\AppData\Local\Temp\pziB4yM4FrJjxoA.exe
"C:\Users\Admin\AppData\Local\Temp\pziB4yM4FrJjxoA.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2064-19-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2064-1-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2064-2-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/2064-3-0x0000000000350000-0x0000000000362000-memory.dmp

Filesize
72KB

Download
memory/2064-4-0x00000000004A0000-0x00000000004AC000-memory.dmp

Filesize
48KB

Download
memory/2064-5-0x0000000005100000-0x0000000005182000-memory.dmp

Filesize
520KB

Download
memory/2064-6-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2064-7-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/2064-0-0x0000000000CE0000-0x0000000000D88000-memory.dmp

Filesize
672KB

Download
memory/2140-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2140-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2140-20-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2140-21-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download