agenttesla | 3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7

General

Target

3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
Size

1.0MB
MD5

0c63dc7353268759cc84be78b15cded6
SHA1

59af9e1612d4c575256b4e188151d746ee7a1045
SHA256

3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7
SHA512

d136888c7cf670e5af31dbc0126078851ee83b61f43dd46ba04c1d30788e7c78b97c8884550f9565d3557d40ec6890e341fe3e1a00a1a09cb8dfd6ef4ec9d487
SSDEEP

24576:7u6J33O0c+JY5UZ+XC0kGsoTCclNposIjCtWY:1u0c++OCvkGsECclLo5Y

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tapestrylike.vbs	tapestrylike.exe

Executes dropped EXE 1 IoCs

pid	Process
1164	tapestrylike.exe

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
13	ip-api.com

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1656-0-0x0000000000320000-0x0000000000431000-memory.dmp	autoit_exe
behavioral2/files/0x000a000000023b38-10.dat	autoit_exe
behavioral2/memory/1164-11-0x0000000000970000-0x0000000000A81000-memory.dmp	autoit_exe
behavioral2/memory/1164-20-0x0000000000C70000-0x0000000001070000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1164 set thread context of 976	1164	tapestrylike.exe	82

System Location Discovery: System Language Discovery 1 TTPs 3 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	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tapestrylike.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
976	RegSvcs.exe
976	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1164	tapestrylike.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	RegSvcs.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
1164	tapestrylike.exe
1164	tapestrylike.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
1164	tapestrylike.exe
1164	tapestrylike.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1164	1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe	81
PID 1656 wrote to memory of 1164	1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe	81
PID 1656 wrote to memory of 1164	1656	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe	81
PID 1164 wrote to memory of 976	1164	tapestrylike.exe	82
PID 1164 wrote to memory of 976	1164	tapestrylike.exe	82
PID 1164 wrote to memory of 976	1164	tapestrylike.exe	82
PID 1164 wrote to memory of 976	1164	tapestrylike.exe	82

C:\Users\Admin\AppData\Local\Temp\3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
"C:\Users\Admin\AppData\Local\Temp\3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\interseminating\tapestrylike.exe
  "C:\Users\Admin\AppData\Local\Temp\3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:1164
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:976

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

C:\Users\Admin\AppData\Local\Temp\cerecloths

Filesize
239KB

MD5
f02f9d19d8366763ebcf12ab913fbc1e

SHA1
44af25633289033e91700a43c3338df2a8db483e

SHA256
3f99fed20acf9dd1e49184c4f180507366b43587e1ee51c1434e40c06449d4cd

SHA512
714c5cf8264ffed8919511b239ac2eafb898329b8cf34bb9dd98f7d7926ab3b481317254ce4350776ba407767653adf0f8c41cde42a533e025712d8c09e78652

Download Submit
C:\Users\Admin\AppData\Local\interseminating\tapestrylike.exe

Filesize
1.0MB

MD5
0c63dc7353268759cc84be78b15cded6

SHA1
59af9e1612d4c575256b4e188151d746ee7a1045

SHA256
3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7

SHA512
d136888c7cf670e5af31dbc0126078851ee83b61f43dd46ba04c1d30788e7c78b97c8884550f9565d3557d40ec6890e341fe3e1a00a1a09cb8dfd6ef4ec9d487

Download Submit
memory/976-24-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/976-25-0x00000000051D0000-0x0000000005236000-memory.dmp

Filesize
408KB

Download
memory/976-31-0x00000000753C0000-0x0000000075B70000-memory.dmp

Filesize
7.7MB

Download
memory/976-30-0x00000000753CE000-0x00000000753CF000-memory.dmp

Filesize
4KB

Download
memory/976-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/976-23-0x00000000753CE000-0x00000000753CF000-memory.dmp

Filesize
4KB

Download
memory/976-29-0x0000000006400000-0x000000000640A000-memory.dmp

Filesize
40KB

Download
memory/976-28-0x0000000006470000-0x0000000006502000-memory.dmp

Filesize
584KB

Download
memory/976-26-0x00000000753C0000-0x0000000075B70000-memory.dmp

Filesize
7.7MB

Download
memory/976-27-0x0000000006380000-0x00000000063D0000-memory.dmp

Filesize
320KB

Download
memory/1164-11-0x0000000000970000-0x0000000000A81000-memory.dmp

Filesize
1.1MB

Download
memory/1164-20-0x0000000000C70000-0x0000000001070000-memory.dmp

Filesize
4.0MB

Download
memory/1656-0-0x0000000000320000-0x0000000000431000-memory.dmp

Filesize
1.1MB

Download
memory/1656-7-0x0000000001250000-0x0000000001650000-memory.dmp

Filesize
4.0MB

Download

Analysis

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