agenttesla | 1118c8d34d9c81654ec02a29655ee018a1e781515be0b81f98ebac809be53c6d

General

Target

Shipping documents 0002939948400055.exe
Size

1.3MB
MD5

b4c7e0b0ef40ea0f57b6b265158e087f
SHA1

da9c36b3eb690cbd15cd0a19ee6beae39191b7f7
SHA256

8025e068e401764653aed170b3a0b07c5ed8c327f80e8d5b5f7d8ae3b0f44eaa
SHA512

efb7488ba4c8243cf76414b5629c4bc29405109ba875f50d84a8f7cdcb468dbfd41a7422a2d621227c129a0afd977209aa0a2d6abf3ddc366feccba9c1340ac5
SSDEEP

12288:7NYnJyPKtca75RqRF6UxaKPHDM18qwdNcQeRFoubL0KZ1YkE9bMRvQSsHc69+c:GTma75ARF6Ux9HDe8felYUmHc69+c

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.concaribe.com
Port:
21
Username:
[email protected]
Password:
ro}UWgz#!38E

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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 2092	2656	Shipping documents 0002939948400055.exe	30

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	Shipping documents 0002939948400055.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Shipping documents 0002939948400055.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2656	Shipping documents 0002939948400055.exe
2092	Shipping documents 0002939948400055.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2092	Shipping documents 0002939948400055.exe
2092	Shipping documents 0002939948400055.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	Shipping documents 0002939948400055.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30
PID 2656 wrote to memory of 2092	2656	Shipping documents 0002939948400055.exe	30

C:\Users\Admin\AppData\Local\Temp\Shipping documents 0002939948400055.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping documents 0002939948400055.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\Shipping documents 0002939948400055.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping documents 0002939948400055.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2092

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2092-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-15-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-19-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-17-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2092-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2092-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2656-14-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-1-0x0000000001270000-0x00000000013B6000-memory.dmp

Filesize
1.3MB

Download
memory/2656-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/2656-18-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-2-0x0000000000650000-0x0000000000698000-memory.dmp

Filesize
288KB

Download

Analysis

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