agenttesla | 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b

General

Target

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Size

688KB
MD5

21a2ca225f66a6e0c61280bb5aa4e93e
SHA1

51530ba354cfe93f393f953049309b9eaf4244e0
SHA256

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b
SHA512

a70f29a1dff09ca29f7f6bc2e06c2c0c82cfb78bd9fccd080cad9813cdbd5eb3051ca56b5ab80e21c9bc0a476d6173fcb12250be1d202f2b69ee1f1468670962
SSDEEP

12288:iCpvJYIXIb7Ta0A4ZHDWCTEY2yIotj9D49m1WYX7F+tLZurYvDWE3:RvJ1InIgHKaE7yIV9m84FSLZ8kH

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1158669333552169031/JDVIUrIPRDFArhYLJtuVY40DaK1KV7rtH9wZuJWWynu212vmqEwNYKJHXzbfaOWZBsRP

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
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\InternetExlorerUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\InternetExlorerUpdate\\InternetExlorerUpdate.exe"	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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

22 api.ipify.org
23 api.ipify.org

flow	ioc
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description	pid	process	target process
PID 4008 set thread context of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

pid	process
4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
1236	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
1236	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description	pid	process
Token: SeDebugPrivilege	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Token: SeDebugPrivilege	1236	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

pid process

1236 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

pid	process
1236	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

description	pid	process	target process
PID 4008 wrote to memory of 4456	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 4456	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 4456	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
PID 4008 wrote to memory of 1236	4008	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe	4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe

C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4008

C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"
2⤵
PID:4456

C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1236-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1236-22-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/1236-21-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/1236-20-0x00000000064D0000-0x0000000006520000-memory.dmp

Filesize
320KB

Download
memory/1236-17-0x0000000005100000-0x0000000005166000-memory.dmp

Filesize
408KB

Download
memory/1236-16-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/1236-14-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4008-10-0x0000000008E90000-0x0000000008F2C000-memory.dmp

Filesize
624KB

Download
memory/4008-9-0x00000000065A0000-0x000000000661E000-memory.dmp

Filesize
504KB

Download
memory/4008-0-0x0000000000590000-0x0000000000642000-memory.dmp

Filesize
712KB

Download
memory/4008-8-0x0000000005500000-0x000000000550A000-memory.dmp

Filesize
40KB

Download
memory/4008-7-0x00000000054F0000-0x00000000054F8000-memory.dmp

Filesize
32KB

Download
memory/4008-6-0x00000000054E0000-0x00000000054F6000-memory.dmp

Filesize
88KB

Download
memory/4008-5-0x00000000050D0000-0x00000000050DA000-memory.dmp

Filesize
40KB

Download
memory/4008-15-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/4008-4-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/4008-3-0x0000000005010000-0x00000000050A2000-memory.dmp

Filesize
584KB

Download
memory/4008-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/4008-1-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads