agenttesla | bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97

General

Target

bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
Size

746KB
MD5

c2f9a1e22122c9b6ee732d8cfb5936ce
SHA1

b97ba1378239a1d6211b4a5d75d40bfc8bf5380d
SHA256

bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97
SHA512

1385614b140bffeced16a90de1079ab49dc13a163439c635c5b808e8f57f8cd31bbea0401382b0e9a1db6fe31494a1a339976cffeb0b0951f9c71b0ee0b39ef4
SSDEEP

12288:Qzxdn6yWn7fcpVZlu/6uHZtY6skOBxPn+HF4KSnRiHWJs/j9CsH/ExI1cDb30Qdc:Un698VVYM6sNi3SoH5/j9TH/kgmr0QNc

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.ipr-co.org
Port:
587
Username:
[email protected]
Password:
IPRco@100102@

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ipr-co.org
Port:
587
Username:
[email protected]
Password:
IPRco@100102@
Email To:
[email protected]

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

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

31 api.ipify.org
30 api.ipify.org

flow	ioc
31	api.ipify.org
30	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

description	pid	process	target process
PID 60 set thread context of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

pid	process
1636	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
1636	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

description pid process

Token: SeDebugPrivilege 1636 bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

pid process

1636 bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

description	pid	process
Token: SeDebugPrivilege	1636	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

description	pid	process	target process
PID 60 wrote to memory of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
PID 60 wrote to memory of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
PID 60 wrote to memory of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
PID 60 wrote to memory of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
PID 60 wrote to memory of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
PID 60 wrote to memory of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
PID 60 wrote to memory of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
PID 60 wrote to memory of 1636	60	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe	bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe

C:\Users\Admin\AppData\Local\Temp\bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
"C:\Users\Admin\AppData\Local\Temp\bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:60

C:\Users\Admin\AppData\Local\Temp\bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe
"C:\Users\Admin\AppData\Local\Temp\bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1636

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

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/60-5-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

Filesize
40KB

Download
memory/60-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp

Filesize
584KB

Download
memory/60-10-0x0000000009BC0000-0x0000000009C5C000-memory.dmp

Filesize
624KB

Download
memory/60-9-0x0000000006440000-0x00000000064C4000-memory.dmp

Filesize
528KB

Download
memory/60-4-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/60-6-0x0000000005410000-0x0000000005432000-memory.dmp

Filesize
136KB

Download
memory/60-7-0x0000000005470000-0x000000000547C000-memory.dmp

Filesize
48KB

Download
memory/60-8-0x0000000002880000-0x0000000002890000-memory.dmp

Filesize
64KB

Download
memory/60-15-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/60-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

Filesize
5.6MB

Download
memory/60-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/60-1-0x0000000000440000-0x00000000004FE000-memory.dmp

Filesize
760KB

Download
memory/1636-14-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1636-20-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1636-16-0x0000000005020000-0x0000000005086000-memory.dmp

Filesize
408KB

Download
memory/1636-17-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1636-19-0x0000000006550000-0x00000000065A0000-memory.dmp

Filesize
320KB

Download
memory/1636-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads