agenttesla | 94e14d64d9d1242ef09ce0ad641426ad5f93d71a9e2587d91e2302cc296a4f93

Analysis

max time kernel
122s
max time network
138s
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 01:19

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General

Target

PO#98540-00.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
860	powershell.exe
1840	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	PO#98540-00.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-1-5-21-2878641211-696417878-3864914810-1000\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
21	api.ipify.org
22	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1332 set thread context of 2188	1332	PO#98540-00.exe	100

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	powershell.exe
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	PO#98540-00.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
2136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1332	PO#98540-00.exe
860	powershell.exe
1840	powershell.exe
1332	PO#98540-00.exe
2188	RegSvcs.exe
2188	RegSvcs.exe
1840	powershell.exe
860	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1332	PO#98540-00.exe
Token: SeDebugPrivilege	860	powershell.exe
Token: SeDebugPrivilege	1840	powershell.exe
Token: SeDebugPrivilege	2188	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2188	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 860	1332	PO#98540-00.exe	93
PID 1332 wrote to memory of 860	1332	PO#98540-00.exe	93
PID 1332 wrote to memory of 860	1332	PO#98540-00.exe	93
PID 1332 wrote to memory of 1840	1332	PO#98540-00.exe	95
PID 1332 wrote to memory of 1840	1332	PO#98540-00.exe	95
PID 1332 wrote to memory of 1840	1332	PO#98540-00.exe	95
PID 1332 wrote to memory of 2136	1332	PO#98540-00.exe	97
PID 1332 wrote to memory of 2136	1332	PO#98540-00.exe	97
PID 1332 wrote to memory of 2136	1332	PO#98540-00.exe	97
PID 1332 wrote to memory of 2188	1332	PO#98540-00.exe	100
PID 1332 wrote to memory of 2188	1332	PO#98540-00.exe	100
PID 1332 wrote to memory of 2188	1332	PO#98540-00.exe	100
PID 1332 wrote to memory of 2188	1332	PO#98540-00.exe	100
PID 1332 wrote to memory of 2188	1332	PO#98540-00.exe	100
PID 1332 wrote to memory of 2188	1332	PO#98540-00.exe	100
PID 1332 wrote to memory of 2188	1332	PO#98540-00.exe	100
PID 1332 wrote to memory of 2188	1332	PO#98540-00.exe	100

C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe
"C:\Users\Admin\AppData\Local\Temp\PO#98540-00.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:1332
- 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\PO#98540-00.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:860
- 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:1840
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxdUmOSelzT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDBF8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2136
- 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:2188

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

Replay Monitor

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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
aaf49ba96fee816fd9671a3d4d787730

SHA1
24b79268df24fa3e51982851d291c922cff5bb08

SHA256
186c156768454addef33dc69dbf332defa448f5d6e9454d3f6945591022e415a

SHA512
dd0dc180ea4df52857b8ceb650a15d1cefd3f5895fde903410e7f58b5ae409b6631ebe7b9fa1821b74d8be4ab9d56532f28e839840989d20ab7fc3bf39821662

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wgt0v0hp.ab2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDBF8.tmp

Filesize
1KB

MD5
c9ea9fb0108ae687db59ca733325f322

SHA1
f368ac56f85117eb0cccd9084ab4d53462d2049e

SHA256
5700536d631224e0c6df7234744e44a69293ae80aed9f122e66de71cd502e543

SHA512
d8c51a10393bf56f9680122949ce7cac5aa1647a5f966f59400fbef5035865c824c76b5309475464b34514200fbb7223efd3362a785ab08521bcd683215eabc3

Download Submit
memory/860-76-0x0000000007A10000-0x0000000007A1A000-memory.dmp

Filesize
40KB

Download
memory/860-75-0x00000000079A0000-0x00000000079BA000-memory.dmp

Filesize
104KB

Download
memory/860-89-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/860-82-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

Filesize
32KB

Download
memory/860-80-0x0000000007BE0000-0x0000000007BF4000-memory.dmp

Filesize
80KB

Download
memory/860-79-0x0000000007BD0000-0x0000000007BDE000-memory.dmp

Filesize
56KB

Download
memory/860-74-0x0000000007FE0000-0x000000000865A000-memory.dmp

Filesize
6.5MB

Download
memory/860-15-0x00000000050B0000-0x00000000050E6000-memory.dmp

Filesize
216KB

Download
memory/860-17-0x0000000005790000-0x0000000005DB8000-memory.dmp

Filesize
6.2MB

Download
memory/860-16-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/860-64-0x0000000075480000-0x00000000754CC000-memory.dmp

Filesize
304KB

Download
memory/860-21-0x0000000005F20000-0x0000000005F86000-memory.dmp

Filesize
408KB

Download
memory/860-22-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/860-19-0x00000000055C0000-0x00000000055E2000-memory.dmp

Filesize
136KB

Download
memory/860-20-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/860-18-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/860-25-0x0000000006090000-0x00000000063E4000-memory.dmp

Filesize
3.3MB

Download
memory/1332-5-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1332-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

Filesize
584KB

Download
memory/1332-6-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

Filesize
624KB

Download
memory/1332-1-0x0000000000080000-0x0000000000152000-memory.dmp

Filesize
840KB

Download
memory/1332-7-0x0000000005F40000-0x0000000005F66000-memory.dmp

Filesize
152KB

Download
memory/1332-48-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1332-4-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

Filesize
40KB

Download
memory/1332-2-0x0000000005010000-0x00000000055B4000-memory.dmp

Filesize
5.6MB

Download
memory/1332-8-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/1332-9-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1332-10-0x0000000002410000-0x0000000002496000-memory.dmp

Filesize
536KB

Download
memory/1332-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/1840-49-0x0000000005B30000-0x0000000005B4E000-memory.dmp

Filesize
120KB

Download
memory/1840-51-0x0000000006100000-0x0000000006132000-memory.dmp

Filesize
200KB

Download
memory/1840-88-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1840-63-0x0000000006D20000-0x0000000006DC3000-memory.dmp

Filesize
652KB

Download
memory/1840-77-0x00000000070D0000-0x0000000007166000-memory.dmp

Filesize
600KB

Download
memory/1840-62-0x0000000006140000-0x000000000615E000-memory.dmp

Filesize
120KB

Download
memory/1840-52-0x0000000075480000-0x00000000754CC000-memory.dmp

Filesize
304KB

Download
memory/1840-78-0x0000000007050000-0x0000000007061000-memory.dmp

Filesize
68KB

Download
memory/1840-81-0x0000000007190000-0x00000000071AA000-memory.dmp

Filesize
104KB

Download
memory/1840-24-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1840-50-0x0000000005E90000-0x0000000005EDC000-memory.dmp

Filesize
304KB

Download
memory/1840-23-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1840-35-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/2188-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2188-91-0x0000000006470000-0x00000000064C0000-memory.dmp

Filesize
320KB

Download