agenttesla | 37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce

General

Target

37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
Size

781KB
MD5

590e89df151b7319bc09af9a0fc5bbdd
SHA1

8785e3cfd74e0924aa79551bf8515b7e9bd4539c
SHA256

37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce
SHA512

d7e22133f6c25ebcfba11fd29d1d001c07ed27ee03e4da804cf954045993d7891c2bd266b434407a5494eaa3f945a9d18f75b8e19da9dbbfff4cc62a79b306fa
SSDEEP

12288:cX4+v0c0epjTrX9/DQQxPEcB/tYd9uafBYGGG:ctXTB7HxPEcB/lafBYG1

Score

10^/10

agenttesla 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
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 3 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

Credentials from Web Browsers
T1555.003

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 2036 set thread context of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31

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	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
1876	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
1876	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
Token: SeDebugPrivilege	1876	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1040	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	30
PID 2036 wrote to memory of 1040	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	30
PID 2036 wrote to memory of 1040	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	30
PID 2036 wrote to memory of 1040	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	30
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31
PID 2036 wrote to memory of 1876	2036	37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe	31

C:\Users\Admin\AppData\Local\Temp\37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
"C:\Users\Admin\AppData\Local\Temp\37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
  "C:\Users\Admin\AppData\Local\Temp\37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe"
  2⤵
  PID:1040
- C:\Users\Admin\AppData\Local\Temp\37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe
  "C:\Users\Admin\AppData\Local\Temp\37305b2adb7c1a41d8119f4c7468a05f86fcaabda638e9bdbcf2c41be283d4ce.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1876

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/1876-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1876-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1876-21-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/1876-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1876-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1876-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1876-18-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/1876-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1876-20-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/1876-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1876-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2036-3-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/2036-19-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-1-0x0000000000FE0000-0x00000000010AA000-memory.dmp

Filesize
808KB

Download
memory/2036-2-0x00000000003E0000-0x0000000000428000-memory.dmp

Filesize
288KB

Download

Analysis

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