agenttesla | 2f5292cf2718d757eef93925dfea5965ccfca87f36f234fb8503dd2863c82823

General

Target

2729be1e71c41c85c6d9a17c92e1fc70N.exe
Size

1.0MB
MD5

2729be1e71c41c85c6d9a17c92e1fc70
SHA1

0c9b5b4ab47457b87ebeee252e017cfcb248c194
SHA256

2f5292cf2718d757eef93925dfea5965ccfca87f36f234fb8503dd2863c82823
SHA512

6e0be0d4ce49a1d7b933efac29019ce96e17f35d2c371315a732f347bb03a4af201ed0e1cf86dca60dcc5b34cdfd681129101f8206c1dc816a00a99830814e17
SSDEEP

24576:WAHnh+eWsN3skA4RV1Hom2KXcmtcjWCle5EhWQmgoPiT5:xh+ZkldoPKsacjW+e5ZQmRPe

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ultraflex.com.mx
Port:
21
Username:
[email protected]
Password:
Jgj8-p4Z]a1b

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

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/1732-0-0x0000000000830000-0x000000000093E000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1732 set thread context of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2088	1732	WerFault.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	2729be1e71c41c85c6d9a17c92e1fc70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3068	RegSvcs.exe
3068	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe
1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30
PID 1732 wrote to memory of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30
PID 1732 wrote to memory of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30
PID 1732 wrote to memory of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30
PID 1732 wrote to memory of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30
PID 1732 wrote to memory of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30
PID 1732 wrote to memory of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30
PID 1732 wrote to memory of 3068	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	30
PID 1732 wrote to memory of 2088	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	31
PID 1732 wrote to memory of 2088	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	31
PID 1732 wrote to memory of 2088	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	31
PID 1732 wrote to memory of 2088	1732	2729be1e71c41c85c6d9a17c92e1fc70N.exe	31

C:\Users\Admin\AppData\Local\Temp\2729be1e71c41c85c6d9a17c92e1fc70N.exe
"C:\Users\Admin\AppData\Local\Temp\2729be1e71c41c85c6d9a17c92e1fc70N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\2729be1e71c41c85c6d9a17c92e1fc70N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3068
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 332
  2⤵
  - Program crash
  PID:2088

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/1732-0-0x0000000000830000-0x000000000093E000-memory.dmp

Filesize
1.1MB

Download
memory/1732-12-0x0000000000130000-0x0000000000134000-memory.dmp

Filesize
16KB

Download
memory/3068-13-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/3068-22-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/3068-19-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/3068-15-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/3068-23-0x000000007278E000-0x000000007278F000-memory.dmp

Filesize
4KB

Download
memory/3068-24-0x0000000072780000-0x0000000072E6E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-25-0x000000007278E000-0x000000007278F000-memory.dmp

Filesize
4KB

Download
memory/3068-26-0x0000000072780000-0x0000000072E6E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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