agenttesla | 9ff1b6916656ef628562de71e0fe52ce59ff0a60e618dce7c896239d52d934fa

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

C2

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

47 api.ipify.org
48 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

pziB4yM4FrJjxoA.exe

description pid process target process

PID 2188 set thread context of 2940 2188 pziB4yM4FrJjxoA.exe pziB4yM4FrJjxoA.exe

flow	ioc
47	api.ipify.org
48	api.ipify.org

description	pid	process	target process
PID 2188 set thread context of 2940	2188	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

pziB4yM4FrJjxoA.exepziB4yM4FrJjxoA.exe

pid	process
2188	pziB4yM4FrJjxoA.exe
2188	pziB4yM4FrJjxoA.exe
2188	pziB4yM4FrJjxoA.exe
2188	pziB4yM4FrJjxoA.exe
2188	pziB4yM4FrJjxoA.exe
2188	pziB4yM4FrJjxoA.exe
2188	pziB4yM4FrJjxoA.exe
2188	pziB4yM4FrJjxoA.exe
2188	pziB4yM4FrJjxoA.exe
2940	pziB4yM4FrJjxoA.exe
2940	pziB4yM4FrJjxoA.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

pziB4yM4FrJjxoA.exepziB4yM4FrJjxoA.exe

description pid process

Token: SeDebugPrivilege 2188 pziB4yM4FrJjxoA.exe
Token: SeDebugPrivilege 2940 pziB4yM4FrJjxoA.exe

description	pid	process
Token: SeDebugPrivilege	2188	pziB4yM4FrJjxoA.exe
Token: SeDebugPrivilege	2940	pziB4yM4FrJjxoA.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

pziB4yM4FrJjxoA.exe

description	pid	process	target process
PID 2188 wrote to memory of 2940	2188	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2188 wrote to memory of 2940	2188	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2188 wrote to memory of 2940	2188	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2188 wrote to memory of 2940	2188	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2188 wrote to memory of 2940	2188	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2188 wrote to memory of 2940	2188	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2188 wrote to memory of 2940	2188	pziB4yM4FrJjxoA.exe	pziB4yM4FrJjxoA.exe
PID 2188 wrote to memory of 2940	2188	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:2188

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:2940

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\pziB4yM4FrJjxoA.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2188-10-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2188-15-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2188-3-0x0000000004F60000-0x0000000004FF2000-memory.dmp

Filesize
584KB

Download
memory/2188-4-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/2188-5-0x0000000002A60000-0x0000000002A6A000-memory.dmp

Filesize
40KB

Download
memory/2188-6-0x00000000051A0000-0x000000000523C000-memory.dmp

Filesize
624KB

Download
memory/2188-7-0x0000000005090000-0x00000000050A2000-memory.dmp

Filesize
72KB

Download
memory/2188-11-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/2188-9-0x0000000006440000-0x00000000064C2000-memory.dmp

Filesize
520KB

Download
memory/2188-2-0x0000000005470000-0x0000000005A14000-memory.dmp

Filesize
5.6MB

Download
memory/2188-8-0x0000000005350000-0x000000000535C000-memory.dmp

Filesize
48KB

Download
memory/2188-1-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2188-0-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2940-19-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2940-16-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2940-17-0x0000000005120000-0x0000000005186000-memory.dmp

Filesize
408KB

Download
memory/2940-18-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/2940-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2940-20-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/2940-21-0x00000000067C0000-0x0000000006810000-memory.dmp

Filesize
320KB

Download

Analysis

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