agenttesla | 3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387

General

Target

3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe
Size

685KB
MD5

a31c1068dd46375790e713635c76aa35
SHA1

cf8b211261897325d695961e527bb277858115ca
SHA256

3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387
SHA512

ce4796363711758a1d1dde62d47f22667e15501bb4cbb8ddf3205f8a37726cef138cc579fb892d669770f234d41742e75f9a746c888e0903c774b075c29437c3
SSDEEP

12288:ynGMLZX6O/HjU5LgyS65bvmhvRuU/r74GaSD4ef884DUtsZzaulM:qp6O/DU2oaRB4GaSxm4tKlM

Score

10^/10

agenttesla credential_access discovery evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7348080493:AAFuNHV4a65Z_OoUW7_OV10J8CyoZ6C9J24/

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2100	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	installutil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2100	powershell.exe
2304	installutil.exe
2304	installutil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	2304	installutil.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2100	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	31
PID 2572 wrote to memory of 2100	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	31
PID 2572 wrote to memory of 2100	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	31
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2304	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	33
PID 2572 wrote to memory of 2644	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	34
PID 2572 wrote to memory of 2644	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	34
PID 2572 wrote to memory of 2644	2572	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe	34

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe

C:\Users\Admin\AppData\Local\Temp\3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe
"C:\Users\Admin\AppData\Local\Temp\3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2572
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3e85a8a29fb89fce3fc4fda0fad1158a7d001d39378b361d6226221483cf7387.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2100
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2304
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2572 -s 816
  2⤵
  PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2100-8-0x0000000002CD0000-0x0000000002D50000-memory.dmp

Filesize
512KB

Download
memory/2100-9-0x000000001B6A0000-0x000000001B982000-memory.dmp

Filesize
2.9MB

Download
memory/2100-10-0x0000000002340000-0x0000000002348000-memory.dmp

Filesize
32KB

Download
memory/2304-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2304-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2304-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2304-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2304-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2304-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2304-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2304-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-3-0x0000000001170000-0x0000000001204000-memory.dmp

Filesize
592KB

Download
memory/2572-0-0x000007FEF6183000-0x000007FEF6184000-memory.dmp

Filesize
4KB

Download
memory/2572-1-0x0000000001210000-0x0000000001230000-memory.dmp

Filesize
128KB

Download
memory/2572-2-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

Filesize
9.9MB

Download
memory/2572-24-0x000007FEF6183000-0x000007FEF6184000-memory.dmp

Filesize
4KB

Download
memory/2572-25-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads