agenttesla | 5c64d7a281b50ec505681d898396dafc981db5aa119be5527efaa09b824febf9

Analysis

max time kernel
142s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:29

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General

Target

ComparisonComparer.exe
Size

1.1MB
MD5

1b4adf62e0c46012449fd801df584dc0
SHA1

c1b571f954904cfb936b518794f55d6dea2976c8
SHA256

6fec8cc4ed0ac509f62cbffd2fb41a184c607196cf874ad101f265acd058f7ce
SHA512

5f57641db51aaecb11063209e86bb74c56daddcfb2619d9d11fa2020b09c15d93afe0fee474b501e70c6d6c8c746426f187e66e06efb95370850ae8c3c3950f1
SSDEEP

24576:WY9pKiJbaiJbxiJbYodlR1fpg6TMfC5iSdBbIbigb7:WspKiJWiJNiJsM5fK6T+udBbIbig

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.probuildqatar.com
Port:
587
Username:
[email protected]
Password:
sionyl@123456!

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/1740-29-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1740-26-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1740-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1740-30-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1740-31-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
756	powershell.exe
2952	powershell.exe
1472	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 1740	2520	ComparisonComparer.exe	38

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 6 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ComparisonComparer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
756	powershell.exe
2952	powershell.exe
1472	powershell.exe
1740	RegSvcs.exe
1740	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	1472	powershell.exe
Token: SeDebugPrivilege	1740	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 756	2520	ComparisonComparer.exe	31
PID 2520 wrote to memory of 756	2520	ComparisonComparer.exe	31
PID 2520 wrote to memory of 756	2520	ComparisonComparer.exe	31
PID 2520 wrote to memory of 756	2520	ComparisonComparer.exe	31
PID 2520 wrote to memory of 2952	2520	ComparisonComparer.exe	33
PID 2520 wrote to memory of 2952	2520	ComparisonComparer.exe	33
PID 2520 wrote to memory of 2952	2520	ComparisonComparer.exe	33
PID 2520 wrote to memory of 2952	2520	ComparisonComparer.exe	33
PID 2520 wrote to memory of 2208	2520	ComparisonComparer.exe	34
PID 2520 wrote to memory of 2208	2520	ComparisonComparer.exe	34
PID 2520 wrote to memory of 2208	2520	ComparisonComparer.exe	34
PID 2520 wrote to memory of 2208	2520	ComparisonComparer.exe	34
PID 2520 wrote to memory of 1472	2520	ComparisonComparer.exe	37
PID 2520 wrote to memory of 1472	2520	ComparisonComparer.exe	37
PID 2520 wrote to memory of 1472	2520	ComparisonComparer.exe	37
PID 2520 wrote to memory of 1472	2520	ComparisonComparer.exe	37
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38
PID 2520 wrote to memory of 1740	2520	ComparisonComparer.exe	38

C:\Users\Admin\AppData\Local\Temp\ComparisonComparer.exe
"C:\Users\Admin\AppData\Local\Temp\ComparisonComparer.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ComparisonComparer.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:756
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TJNeksdktOEwCL.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TJNeksdktOEwCL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DEC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2208
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TJNeksdktOEwCL.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1472
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1DEC.tmp

Filesize
1KB

MD5
058975f3f1626038d498833f9db95b56

SHA1
c946d7bd6ab4ae959cc413b4cb0f0b72c687386b

SHA256
15d92de24d5c299ff3c2c4d11d7f04d6ed76a9e48ef55c653281d5b969cbf1dc

SHA512
42bf3213ffcd884f00704dbc2a45df696a8ce3065c21ea89d2c68543df0a8a3805b334417bca8ed4f3d57289b274f4f1ce9b5a78d219297f75192e064ee8246b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
60fcf25a02288b0ab1af91fa6f291ec2

SHA1
85db4a15185da702972961997108656494aeb298

SHA256
fa2f1d3a24907c949dff9c8e902e7664ef89bb1db18a1e540e684016116ee5cd

SHA512
e32abcf6c425c2368b23a53cff6ac5a681f01ac43b207a2c12addecfbd1cd35f6ed8862fbd33957caa70ca62376b460f3f6bde48e9f7cb0bc125f5d61070a6de

Download Submit
memory/1740-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1740-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1740-31-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1740-30-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1740-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1740-26-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1740-29-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1740-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2520-1-0x00000000000F0000-0x0000000000208000-memory.dmp

Filesize
1.1MB

Download
memory/2520-2-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-0-0x0000000073D0E000-0x0000000073D0F000-memory.dmp

Filesize
4KB

Download
memory/2520-7-0x00000000047B0000-0x000000000480C000-memory.dmp

Filesize
368KB

Download
memory/2520-6-0x0000000005170000-0x0000000005204000-memory.dmp

Filesize
592KB

Download
memory/2520-3-0x00000000005A0000-0x00000000005B4000-memory.dmp

Filesize
80KB

Download
memory/2520-5-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-4-0x0000000073D0E000-0x0000000073D0F000-memory.dmp

Filesize
4KB

Download
memory/2520-33-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download