agenttesla | bfc092b384976e97153bae0e29359461bfd65fce5ad8188d6460de57bc680eaf

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 18:52

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General

Target

1/3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
Size

731KB
MD5

bd1050f3642d22733a30cd101f591713
SHA1

5a6553bea21e2df2307ed5c843072bcb023566be
SHA256

3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671
SHA512

6cc19b1df105d9f4e76c39f7be79c9a5a42fdb338a8b56b1d16e1343221e36552344fc30aa8c2bf4d48781694a412dcddb5858a36c643706bc778b0b8cc59883
SSDEEP

12288:tmoDWx2PQfRcudR5C3T+Lc7vaVs95ucinaj13Tp8K2:tHawMR9/gDR5yrQx2K2

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.libreriagandhi.cl
Port:
21
Username:
[email protected]
Password:
x6p2^m#1#~+O

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2756	powershell.exe

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 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2504 set thread context of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
2848	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
2848	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
2756	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
Token: SeDebugPrivilege	2848	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
Token: SeDebugPrivilege	2756	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2756	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	31
PID 2504 wrote to memory of 2756	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	31
PID 2504 wrote to memory of 2756	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	31
PID 2504 wrote to memory of 2756	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	31
PID 2504 wrote to memory of 2264	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	33
PID 2504 wrote to memory of 2264	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	33
PID 2504 wrote to memory of 2264	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	33
PID 2504 wrote to memory of 2264	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	33
PID 2504 wrote to memory of 2948	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	34
PID 2504 wrote to memory of 2948	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	34
PID 2504 wrote to memory of 2948	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	34
PID 2504 wrote to memory of 2948	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	34
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35
PID 2504 wrote to memory of 2848	2504	3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe	35

C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
"C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
  "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
  2⤵
  PID:2264
- C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
  "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
  2⤵
  PID:2948
- C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
  "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2504-0-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x00000000002E0000-0x000000000039C000-memory.dmp

Filesize
752KB

Download
memory/2504-2-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-3-0x0000000000830000-0x000000000084A000-memory.dmp

Filesize
104KB

Download
memory/2504-4-0x00000000007E0000-0x00000000007EE000-memory.dmp

Filesize
56KB

Download
memory/2504-5-0x0000000004FF0000-0x0000000005074000-memory.dmp

Filesize
528KB

Download
memory/2504-19-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-18-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2848-22-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download