agenttesla | 887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6

Analysis

max time kernel
120s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 02:52

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General

Target

887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
Size

818KB
MD5

ea046995fae362aca9e45a8374b2e7d3
SHA1

220030086ea9c40d840904ee914fce760355313a
SHA256

887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6
SHA512

fc5fc4d4ba627d5503bf162c7ea0b86379be979badf27950449ee7ae6552b14ad7b170a567feaca8b6a1c98c404e399651d1fec7e4d0330161ec436b940c5deb
SSDEEP

12288:LOfIO8DfgZCZtoym2Tm9I+M4AszKlF5+YZ4sEu9neODY72eM9lOR7rCThUa+e1+:LOkfpOFM4TKQyxetMCRvE+p

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2736	powershell.exe
816	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.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
20	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1040 set thread context of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102

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 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
5040	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
2736	powershell.exe
816	powershell.exe
1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
2736	powershell.exe
3756	RegSvcs.exe
3756	RegSvcs.exe
816	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	816	powershell.exe
Token: SeDebugPrivilege	3756	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3756	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 2736	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	96
PID 1040 wrote to memory of 2736	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	96
PID 1040 wrote to memory of 2736	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	96
PID 1040 wrote to memory of 816	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	98
PID 1040 wrote to memory of 816	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	98
PID 1040 wrote to memory of 816	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	98
PID 1040 wrote to memory of 5040	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	100
PID 1040 wrote to memory of 5040	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	100
PID 1040 wrote to memory of 5040	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	100
PID 1040 wrote to memory of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102
PID 1040 wrote to memory of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102
PID 1040 wrote to memory of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102
PID 1040 wrote to memory of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102
PID 1040 wrote to memory of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102
PID 1040 wrote to memory of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102
PID 1040 wrote to memory of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102
PID 1040 wrote to memory of 3756	1040	887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe	102

C:\Users\Admin\AppData\Local\Temp\887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe
"C:\Users\Admin\AppData\Local\Temp\887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040
- 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\887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fxdUmOSelzT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:816
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxdUmOSelzT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB5E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5040
- 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
  - Suspicious use of SetWindowsHookEx
  PID:3756

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
9a1a61cec135126dc5068a7b7bffaddd

SHA1
2badbf83d19b9849d59bda16c09f40dacb589dea

SHA256
574380e3fc19075c2b6cd4a99c2311dbbc551730a5822e3e1c40720c08a0ffff

SHA512
95217b496cd98fe4683d3ee138f686259011b63d84ef62bb38060bc9661c5b3f6c2b37e9849cca92f0121040eeef547b0c283c42d9dc0f0131f96ff28eaff426

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tnbjdom4.5rm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCB5E.tmp

Filesize
1KB

MD5
3627aa4b28ec4e0beec9ebbfc36ae69a

SHA1
6883cfc697c7cd0ed1608a4f01b065c05923b875

SHA256
db64b0b6b63b627854e79df44ad0fd65564bc34074fa7b44370d71d21e673172

SHA512
9ddedc4e47f9b72bde03b11ac633bd076a0eeb19231c3e0f188bc07a20dd73052e30bd3fd614dfbb0f295b01014bda3997f8e9d99c1281b3432afda1f45d60ba

Download Submit
memory/816-23-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/816-35-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/816-63-0x0000000074CD0000-0x0000000074D1C000-memory.dmp

Filesize
304KB

Download
memory/816-88-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-10-0x0000000004980000-0x0000000004A06000-memory.dmp

Filesize
536KB

Download
memory/1040-9-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-8-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/1040-7-0x0000000005380000-0x00000000053A6000-memory.dmp

Filesize
152KB

Download
memory/1040-6-0x0000000005210000-0x00000000052AC000-memory.dmp

Filesize
624KB

Download
memory/1040-5-0x0000000004F50000-0x0000000004F5A000-memory.dmp

Filesize
40KB

Download
memory/1040-4-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-47-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/1040-0-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/1040-3-0x0000000004F60000-0x0000000004FF2000-memory.dmp

Filesize
584KB

Download
memory/1040-2-0x0000000005410000-0x00000000059B4000-memory.dmp

Filesize
5.6MB

Download
memory/1040-1-0x0000000000480000-0x0000000000552000-memory.dmp

Filesize
840KB

Download
memory/2736-30-0x0000000006080000-0x00000000063D4000-memory.dmp

Filesize
3.3MB

Download
memory/2736-73-0x0000000008050000-0x00000000086CA000-memory.dmp

Filesize
6.5MB

Download
memory/2736-21-0x0000000005EF0000-0x0000000005F56000-memory.dmp

Filesize
408KB

Download
memory/2736-89-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-20-0x0000000005690000-0x00000000056B2000-memory.dmp

Filesize
136KB

Download
memory/2736-19-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-48-0x0000000006660000-0x000000000667E000-memory.dmp

Filesize
120KB

Download
memory/2736-49-0x00000000066F0000-0x000000000673C000-memory.dmp

Filesize
304KB

Download
memory/2736-51-0x0000000074CD0000-0x0000000074D1C000-memory.dmp

Filesize
304KB

Download
memory/2736-61-0x00000000075D0000-0x00000000075EE000-memory.dmp

Filesize
120KB

Download
memory/2736-50-0x00000000075F0000-0x0000000007622000-memory.dmp

Filesize
200KB

Download
memory/2736-62-0x0000000007630000-0x00000000076D3000-memory.dmp

Filesize
652KB

Download
memory/2736-18-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-22-0x0000000006010000-0x0000000006076000-memory.dmp

Filesize
408KB

Download
memory/2736-74-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/2736-75-0x0000000007A70000-0x0000000007A7A000-memory.dmp

Filesize
40KB

Download
memory/2736-76-0x0000000007C80000-0x0000000007D16000-memory.dmp

Filesize
600KB

Download
memory/2736-77-0x0000000007C00000-0x0000000007C11000-memory.dmp

Filesize
68KB

Download
memory/2736-78-0x0000000007C30000-0x0000000007C3E000-memory.dmp

Filesize
56KB

Download
memory/2736-79-0x0000000007C40000-0x0000000007C54000-memory.dmp

Filesize
80KB

Download
memory/2736-80-0x0000000007D40000-0x0000000007D5A000-memory.dmp

Filesize
104KB

Download
memory/2736-81-0x0000000007D20000-0x0000000007D28000-memory.dmp

Filesize
32KB

Download
memory/2736-17-0x0000000005710000-0x0000000005D38000-memory.dmp

Filesize
6.2MB

Download
memory/2736-16-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-15-0x0000000002D40000-0x0000000002D76000-memory.dmp

Filesize
216KB

Download
memory/3756-36-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3756-90-0x00000000064D0000-0x0000000006520000-memory.dmp

Filesize
320KB

Download