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
2768	tapestrylike.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.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
4	ip-api.com

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2196-0-0x0000000000CD0000-0x0000000000DE1000-memory.dmp	autoit_exe
behavioral1/files/0x0035000000016d3e-9.dat	autoit_exe
behavioral1/memory/2768-13-0x0000000000D70000-0x0000000000E81000-memory.dmp	autoit_exe
behavioral1/memory/2768-22-0x0000000001070000-0x0000000001470000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2768 set thread context of 2792	2768	tapestrylike.exe	32

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
2792	RegSvcs.exe
2792	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2768	tapestrylike.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
2768	tapestrylike.exe
2768	tapestrylike.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
2768	tapestrylike.exe
2768	tapestrylike.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2768	2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe	31
PID 2196 wrote to memory of 2768	2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe	31
PID 2196 wrote to memory of 2768	2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe	31
PID 2196 wrote to memory of 2768	2196	3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe	31
PID 2768 wrote to memory of 2792	2768	tapestrylike.exe	32
PID 2768 wrote to memory of 2792	2768	tapestrylike.exe	32
PID 2768 wrote to memory of 2792	2768	tapestrylike.exe	32
PID 2768 wrote to memory of 2792	2768	tapestrylike.exe	32
PID 2768 wrote to memory of 2792	2768	tapestrylike.exe	32
PID 2768 wrote to memory of 2792	2768	tapestrylike.exe	32
PID 2768 wrote to memory of 2792	2768	tapestrylike.exe	32
PID 2768 wrote to memory of 2792	2768	tapestrylike.exe	32

C:\Users\Admin\AppData\Local\Temp\3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe
"C:\Users\Admin\AppData\Local\Temp\3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2196
- 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:2768
- - 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:2792

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

\Users\Admin\AppData\Local\interseminating\tapestrylike.exe

Filesize
1.0MB

MD5
0c63dc7353268759cc84be78b15cded6

SHA1
59af9e1612d4c575256b4e188151d746ee7a1045

SHA256
3b038062894d610a3c95c6b6e3db4ffe78e6b0c31817d15317073247eeefefe7

SHA512
d136888c7cf670e5af31dbc0126078851ee83b61f43dd46ba04c1d30788e7c78b97c8884550f9565d3557d40ec6890e341fe3e1a00a1a09cb8dfd6ef4ec9d487

Download Submit
memory/2196-0-0x0000000000CD0000-0x0000000000DE1000-memory.dmp

Filesize
1.1MB

Download
memory/2196-7-0x0000000000630000-0x0000000000A30000-memory.dmp

Filesize
4.0MB

Download
memory/2768-13-0x0000000000D70000-0x0000000000E81000-memory.dmp

Filesize
1.1MB

Download
memory/2768-22-0x0000000001070000-0x0000000001470000-memory.dmp

Filesize
4.0MB

Download
memory/2792-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2792-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2792-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2792-29-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2792-30-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-31-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/2792-32-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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