agenttesla | b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2

General

Target

b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe
Size

634KB
MD5

00252f72f28dfb2ce48370c9dbe402da
SHA1

e66ac962603dcd49cb36a02f71aa66db2644d032
SHA256

b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2
SHA512

715c1e7e0696e7d679174fceeeca6eb254142628ef057ff612126a52b906401ecd0672db6bbbf0709131b60c3e6b458896ac00fc991378277d3fd011e86cc3af
SSDEEP

12288:TOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPi/MMMMMMMMMMOMMMMMMMMMMMMMMMMw:Tq5TfcdHj4fmb0MMMMMMMMMMOMMMMMM8

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.stingatoareincendii.ro
Port:
21
Username:
[email protected]
Password:
3.*RYhlG)lkA

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/2448-14-0x0000000000950000-0x0000000000ABF000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2448-0-0x0000000000950000-0x0000000000ABF000-memory.dmp	upx
behavioral1/memory/2448-14-0x0000000000950000-0x0000000000ABF000-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	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2132	RegSvcs.exe
2132	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe
2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe
2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31
PID 2448 wrote to memory of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31
PID 2448 wrote to memory of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31
PID 2448 wrote to memory of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31
PID 2448 wrote to memory of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31
PID 2448 wrote to memory of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31
PID 2448 wrote to memory of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31
PID 2448 wrote to memory of 2132	2448	b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe	31

C:\Users\Admin\AppData\Local\Temp\b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe
"C:\Users\Admin\AppData\Local\Temp\b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.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:2448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\b97a5c75e1dcfc4ddb142ed7671bcc341dccd356450e6d2f5034413b056657c2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2132

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/2132-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2132-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2132-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2132-15-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/2132-16-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2132-17-0x00000000740FE000-0x00000000740FF000-memory.dmp

Filesize
4KB

Download
memory/2132-18-0x00000000740F0000-0x00000000747DE000-memory.dmp

Filesize
6.9MB

Download
memory/2448-0-0x0000000000950000-0x0000000000ABF000-memory.dmp

Filesize
1.4MB

Download
memory/2448-7-0x0000000000B80000-0x0000000000F80000-memory.dmp

Filesize
4.0MB

Download
memory/2448-14-0x0000000000950000-0x0000000000ABF000-memory.dmp

Filesize
1.4MB

Download

Analysis

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