agenttesla | 76ae1742d7c4a98124b617bc22a32c2b5c924f51410d3e00da1874e3ec9f5368

General

Target

QUOTATION.exe
Size

618KB
MD5

8ee4a3c192208d7ac449e220ffb6ac39
SHA1

8683040981630ca0d973b043c2d0c93f0d49d885
SHA256

32a529b616592c0979f49bb6e2dd9e5a9fd2c1e126b70fe1fb090aa0fb258205
SHA512

29c1780537af57dce7c92b71cefb49737cd2751818d7de7bbfded026c41d97e9c534b8875f6be271d1867d3b8463e89fb3c5bab51e0ee218e3bf23ceeb295489
SSDEEP

12288:3UD7PksJfvE2dnWHE8ZZbjQBUzVfWe1M63eE9jHWZS9XCt7EIFoOIn:3gr3LdnWkUbwUZue1M2eCjl9LP

Score

10^/10

agenttesla discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Signatures

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

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
2144	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	CasPol.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2688	2136	QUOTATION.exe	35

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	CasPol.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2144	powershell.exe
2688	CasPol.exe
2688	CasPol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2144	powershell.exe
Token: SeDebugPrivilege	2688	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2688	CasPol.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2144	2136	QUOTATION.exe	32
PID 2136 wrote to memory of 2144	2136	QUOTATION.exe	32
PID 2136 wrote to memory of 2144	2136	QUOTATION.exe	32
PID 2136 wrote to memory of 2952	2136	QUOTATION.exe	34
PID 2136 wrote to memory of 2952	2136	QUOTATION.exe	34
PID 2136 wrote to memory of 2952	2136	QUOTATION.exe	34
PID 2136 wrote to memory of 2952	2136	QUOTATION.exe	34
PID 2136 wrote to memory of 2952	2136	QUOTATION.exe	34
PID 2136 wrote to memory of 2952	2136	QUOTATION.exe	34
PID 2136 wrote to memory of 2952	2136	QUOTATION.exe	34
PID 2136 wrote to memory of 2952	2136	QUOTATION.exe	34
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2688	2136	QUOTATION.exe	35
PID 2136 wrote to memory of 2664	2136	QUOTATION.exe	36
PID 2136 wrote to memory of 2664	2136	QUOTATION.exe	36
PID 2136 wrote to memory of 2664	2136	QUOTATION.exe	36
PID 2136 wrote to memory of 2664	2136	QUOTATION.exe	36

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"	QUOTATION.exe

C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2136
- 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\QUOTATION.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2144
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:2952
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2688
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

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/2136-0-0x000007FEF5593000-0x000007FEF5594000-memory.dmp

Filesize
4KB

Download
memory/2136-1-0x0000000000170000-0x000000000017E000-memory.dmp

Filesize
56KB

Download
memory/2136-3-0x0000000000180000-0x0000000000216000-memory.dmp

Filesize
600KB

Download
memory/2136-2-0x000007FEF5590000-0x000007FEF5F7C000-memory.dmp

Filesize
9.9MB

Download
memory/2136-31-0x000007FEF5590000-0x000007FEF5F7C000-memory.dmp

Filesize
9.9MB

Download
memory/2144-8-0x0000000002C30000-0x0000000002CB0000-memory.dmp

Filesize
512KB

Download
memory/2144-18-0x0000000002070000-0x0000000002078000-memory.dmp

Filesize
32KB

Download
memory/2144-17-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2688-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-28-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2688-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2688-30-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2952-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2952-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2952-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2952-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads