agenttesla | acac117971676512df7695168371016c5d2d4066bd30e6e17fc095f916e052e3

General

Target

3b179d5994f08d3d329854a922abfea0N.exe
Size

603KB
MD5

3b179d5994f08d3d329854a922abfea0
SHA1

898cb8fd1908788d5976b7eabeb1399c33420792
SHA256

acac117971676512df7695168371016c5d2d4066bd30e6e17fc095f916e052e3
SHA512

fd7f2a103c3cd48b02def90fb00e336c02320680d5e325f6d9af37185a72eadcc658d77b2bbd36b61b4d61550016b92b7535a2946d6b27864b6d41f48a1777f9
SSDEEP

12288:3sHzOUNUSB/o5LsI1uwajJ5yvv1l2X8BDK5qbaVLAKbovpZRo:miUmSB/o5d1ubcvOwWYb2FbWH

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.elquijotebanquetes.com
Port:
21
Username:
[email protected]
Password:
-GN,s*KH{VEhPmo)+f

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

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2532-0-0x0000000000CC0000-0x0000000000E19000-memory.dmp	upx
behavioral1/memory/2532-24-0x0000000000CC0000-0x0000000000E19000-memory.dmp	upx

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
4	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2532-24-0x0000000000CC0000-0x0000000000E19000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29

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	3b179d5994f08d3d329854a922abfea0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2404	RegSvcs.exe
2404	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2532	3b179d5994f08d3d329854a922abfea0N.exe
2532	3b179d5994f08d3d329854a922abfea0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2532	3b179d5994f08d3d329854a922abfea0N.exe
2532	3b179d5994f08d3d329854a922abfea0N.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2532	3b179d5994f08d3d329854a922abfea0N.exe
2532	3b179d5994f08d3d329854a922abfea0N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29
PID 2532 wrote to memory of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29
PID 2532 wrote to memory of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29
PID 2532 wrote to memory of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29
PID 2532 wrote to memory of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29
PID 2532 wrote to memory of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29
PID 2532 wrote to memory of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29
PID 2532 wrote to memory of 2404	2532	3b179d5994f08d3d329854a922abfea0N.exe	29

C:\Users\Admin\AppData\Local\Temp\3b179d5994f08d3d329854a922abfea0N.exe
"C:\Users\Admin\AppData\Local\Temp\3b179d5994f08d3d329854a922abfea0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\3b179d5994f08d3d329854a922abfea0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2404

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2404-13-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2404-19-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2404-15-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2404-22-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2404-25-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

Filesize
4KB

Download
memory/2404-26-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/2404-27-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

Filesize
4KB

Download
memory/2404-28-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-0-0x0000000000CC0000-0x0000000000E19000-memory.dmp

Filesize
1.3MB

Download
memory/2532-12-0x00000000001A0000-0x00000000001A4000-memory.dmp

Filesize
16KB

Download
memory/2532-24-0x0000000000CC0000-0x0000000000E19000-memory.dmp

Filesize
1.3MB

Download

Analysis

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