agenttesla | 991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732

General

Target

991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe
Size

537KB
MD5

e9b2b9f88a84f5dbb4b9a846d003a628
SHA1

d27e07c291c15ec3178b8d743dc76dbbf8d15380
SHA256

991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732
SHA512

c7316e37c50824251068b48d2900442ef5a1e4cb4023aad5320c3d996deb8fd1e9a8f43b82a5f59e10d98d9c56022c00f61cc7e73540874d9e898043ebcde3e3
SSDEEP

12288:6ozGdX0M4ornOmZIzfMwHHQmRROXKWOE1VXJsJEWg:64GHnhIzOaWFVPx

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.solucionesmexico.mx
Port:
21
Username:
[email protected]
Password:
dGG^ZYIxX5!B

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

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/3052-19-0x00000000009C0000-0x0000000000AF9000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3052-0-0x00000000009C0000-0x0000000000AF9000-memory.dmp	upx
behavioral1/memory/3052-19-0x00000000009C0000-0x0000000000AF9000-memory.dmp	upx

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	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2228	RegSvcs.exe
2228	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe
3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe
3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30
PID 3052 wrote to memory of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30
PID 3052 wrote to memory of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30
PID 3052 wrote to memory of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30
PID 3052 wrote to memory of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30
PID 3052 wrote to memory of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30
PID 3052 wrote to memory of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30
PID 3052 wrote to memory of 2228	3052	991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe	30

C:\Users\Admin\AppData\Local\Temp\991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe
"C:\Users\Admin\AppData\Local\Temp\991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.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:3052
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\991b777e3fac0e7150a7b0b9344aee001911ba43685a7d1f9b11d56e951c3732.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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/2228-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2228-20-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/2228-21-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-22-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/2228-23-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-0-0x00000000009C0000-0x0000000000AF9000-memory.dmp

Filesize
1.2MB

Download
memory/3052-12-0x0000000000C60000-0x0000000001060000-memory.dmp

Filesize
4.0MB

Download
memory/3052-19-0x00000000009C0000-0x0000000000AF9000-memory.dmp

Filesize
1.2MB

Download

Analysis

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