agenttesla | 94b67846d37007341608fe74d27d1ae0298d558d573a172d9013c42828eaa14a

General

Target

MalwareBazaar.exe
Size

759KB
MD5

dfca31273bca0dfaf8902452e3d31d35
SHA1

8b21de1f93996a6b657d7ec94241f85ca27e7c8e
SHA256

94b67846d37007341608fe74d27d1ae0298d558d573a172d9013c42828eaa14a
SHA512

84810f927bfa0b2f2f9eb4472b4073f64a0be6764e9bc513eaf0efd76b049722c106797653b246f15a642e00441a7580afef3580e4247e40dea352896e8c9760
SSDEEP

12288:Xmp6d74dwmC/YPwaZBSvF9daCiBTi0QbwVcQ39G7waM16LA69PWNx4THQPb8jQqN:dheTilbw7tGUaIV/x4TmkMvEJJjUsB

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.jlahuachem.com
Port:
587
Username:
[email protected]
Password:
vUPm^yS5
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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.

flow	ioc
15	api.ipify.org
16	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1408 set thread context of 3760	1408	MalwareBazaar.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MalwareBazaar.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1408	MalwareBazaar.exe
1408	MalwareBazaar.exe
1408	MalwareBazaar.exe
1408	MalwareBazaar.exe
3760	MalwareBazaar.exe
3760	MalwareBazaar.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	MalwareBazaar.exe
Token: SeDebugPrivilege	3760	MalwareBazaar.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 1352	1408	MalwareBazaar.exe	86
PID 1408 wrote to memory of 1352	1408	MalwareBazaar.exe	86
PID 1408 wrote to memory of 1352	1408	MalwareBazaar.exe	86
PID 1408 wrote to memory of 3760	1408	MalwareBazaar.exe	87
PID 1408 wrote to memory of 3760	1408	MalwareBazaar.exe	87
PID 1408 wrote to memory of 3760	1408	MalwareBazaar.exe	87
PID 1408 wrote to memory of 3760	1408	MalwareBazaar.exe	87
PID 1408 wrote to memory of 3760	1408	MalwareBazaar.exe	87
PID 1408 wrote to memory of 3760	1408	MalwareBazaar.exe	87
PID 1408 wrote to memory of 3760	1408	MalwareBazaar.exe	87
PID 1408 wrote to memory of 3760	1408	MalwareBazaar.exe	87

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  PID:1352
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1408-8-0x0000000006960000-0x000000000696E000-memory.dmp

Filesize
56KB

Download
memory/1408-10-0x000000000AA10000-0x000000000AA94000-memory.dmp

Filesize
528KB

Download
memory/1408-2-0x0000000005BF0000-0x0000000006194000-memory.dmp

Filesize
5.6MB

Download
memory/1408-3-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/1408-4-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/1408-5-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/1408-6-0x0000000006C10000-0x0000000006CAC000-memory.dmp

Filesize
624KB

Download
memory/1408-7-0x0000000006940000-0x0000000006958000-memory.dmp

Filesize
96KB

Download
memory/1408-1-0x0000000000AE0000-0x0000000000BA4000-memory.dmp

Filesize
784KB

Download
memory/1408-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/1408-9-0x0000000006970000-0x0000000006986000-memory.dmp

Filesize
88KB

Download
memory/1408-14-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/3760-13-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/3760-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3760-16-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download
memory/3760-15-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/3760-17-0x0000000006E20000-0x0000000006E70000-memory.dmp

Filesize
320KB

Download
memory/3760-18-0x00000000743D0000-0x0000000074B80000-memory.dmp

Filesize
7.7MB

Download

Analysis

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