agenttesla | b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 02:07

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General

Target

b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe
Size

1.2MB
MD5

586400827bdbd6b6d675a7bd1ef997e6
SHA1

52a61a129172822949ea7778c6ff87beba09589d
SHA256

b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011
SHA512

186e52f26ea457ad1b05f7cca9c9057066a4d8a51830e5f75329f893806baca91597b393d6a0b4b97f59cc2f282b1bb1d03ca883ec3a68069e344f08c494fdf8
SSDEEP

24576:atb20pkaCqT5TBWgNQ7aZ2j2WRpKHK2ioM2HpvgLQ9YS6A:HVg5tQ7aZHWRpKH1JvsQ9T5

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.controlfire.com.mx
Port:
21
Username:
[email protected]
Password:
0a4XlE=4t8mz

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
17	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2356 set thread context of 1264	2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1816	2356	WerFault.exe	82

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	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1264	RegSvcs.exe
1264	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1264	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe
2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe
2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1264	2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe	86
PID 2356 wrote to memory of 1264	2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe	86
PID 2356 wrote to memory of 1264	2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe	86
PID 2356 wrote to memory of 1264	2356	b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe	86

C:\Users\Admin\AppData\Local\Temp\b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe
"C:\Users\Admin\AppData\Local\Temp\b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.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:2356
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\b905a6ef2b9eb0112dd70edabbfe2f064cb146efd691c0966e62e8689c8bc011.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1264
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 692
  2⤵
  - Program crash
  PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2356 -ip 2356
1⤵
PID:3148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1264-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1264-3-0x00000000738DE000-0x00000000738DF000-memory.dmp

Filesize
4KB

Download
memory/1264-4-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/1264-5-0x0000000005290000-0x00000000052F6000-memory.dmp

Filesize
408KB

Download
memory/1264-6-0x00000000738D0000-0x0000000074080000-memory.dmp

Filesize
7.7MB

Download
memory/1264-7-0x00000000065B0000-0x0000000006642000-memory.dmp

Filesize
584KB

Download
memory/1264-8-0x0000000006650000-0x00000000066A0000-memory.dmp

Filesize
320KB

Download
memory/1264-9-0x0000000006790000-0x000000000679A000-memory.dmp

Filesize
40KB

Download
memory/1264-10-0x00000000738DE000-0x00000000738DF000-memory.dmp

Filesize
4KB

Download
memory/1264-11-0x00000000738D0000-0x0000000074080000-memory.dmp

Filesize
7.7MB

Download
memory/2356-1-0x0000000000960000-0x0000000000964000-memory.dmp

Filesize
16KB

Download