agenttesla | 7b39be84d49d7f1c986d881c8c69cfc63e111c983d55106106959c6c1a83667a

Analysis

max time kernel
121s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 15:41

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General

Target

invoice.exe
Size

744KB
MD5

b0ebd9e6b7db75c09086f8917c7c6fbb
SHA1

7c4f8ce260d37433d15b972e90b8a2f112b8a316
SHA256

6626d5216b21933a5ccca366777e3fa81f6ab20fc642e39713698db5d28792ae
SHA512

3581a18d6f94c76982de58a27b238b4463d1cb7524ba0c121daceb6b607c3bf490b4bd5d6cc47b95d19be6ce6e9dd8eb7ab5e5d918e4703b49d0f9f76331e85d
SSDEEP

12288:oCyu7+JALQsACpMfRsBpdht5EEiT2e2UbeKkEyVTAa+jXUF5C3WUy482jmTMsoBM:m/JAQsLkRCnt5ZdayVTJ+jUFMdmTkM

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
3484	powershell.exe
3416	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	invoice.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-1-5-21-940901362-3608833189-1915618603-1000\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
16	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3496 set thread context of 3044	3496	invoice.exe	95

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	invoice.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
3000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3496	invoice.exe
3484	powershell.exe
3416	powershell.exe
3496	invoice.exe
3044	RegSvcs.exe
3044	RegSvcs.exe
3484	powershell.exe
3416	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3496	invoice.exe
Token: SeDebugPrivilege	3484	powershell.exe
Token: SeDebugPrivilege	3416	powershell.exe
Token: SeDebugPrivilege	3044	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3044	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 3484	3496	invoice.exe	89
PID 3496 wrote to memory of 3484	3496	invoice.exe	89
PID 3496 wrote to memory of 3484	3496	invoice.exe	89
PID 3496 wrote to memory of 3416	3496	invoice.exe	91
PID 3496 wrote to memory of 3416	3496	invoice.exe	91
PID 3496 wrote to memory of 3416	3496	invoice.exe	91
PID 3496 wrote to memory of 3000	3496	invoice.exe	93
PID 3496 wrote to memory of 3000	3496	invoice.exe	93
PID 3496 wrote to memory of 3000	3496	invoice.exe	93
PID 3496 wrote to memory of 3044	3496	invoice.exe	95
PID 3496 wrote to memory of 3044	3496	invoice.exe	95
PID 3496 wrote to memory of 3044	3496	invoice.exe	95
PID 3496 wrote to memory of 3044	3496	invoice.exe	95
PID 3496 wrote to memory of 3044	3496	invoice.exe	95
PID 3496 wrote to memory of 3044	3496	invoice.exe	95
PID 3496 wrote to memory of 3044	3496	invoice.exe	95
PID 3496 wrote to memory of 3044	3496	invoice.exe	95

C:\Users\Admin\AppData\Local\Temp\invoice.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.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:3496
- 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\invoice.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3484
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OqFBPytTawh.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3416
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OqFBPytTawh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD8F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3000
- 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:3044

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
39baf514e14e11ae901eb690eb2d31eb

SHA1
20ad6f237b03313ccbc0f1edf19ed6993b95a89d

SHA256
7bdc46089d1ed2744b54507795ddd7594e65945a3b4cbd187da7bb32a00f56cc

SHA512
afce65b08e2497aa32488172bf4bc6c9d38ff4bb977335cf8f604a8f2148f1a2991d395f44981c890e968bfd25bd31b0a03305f33ffa2348fb77e55ca8fafa1f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rl10kmil.fps.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDD8F.tmp

Filesize
1KB

MD5
aef5f8bf3c871609de06751b432eea46

SHA1
39bf340b0b68c9b72085b7b66e95e4be1337f5b3

SHA256
46bf388e365ec8b67eac1cdaf33a17edeed98d1c14e9032d9c6a9d5fbc32403b

SHA512
3b9b354ae17697f6691cf35d56b4a4f7d7256ce80cb9545eea99816a3f67a4f56774d23fae16598777b3fa501579d177b6f17677abbb4dd90c7f16ecff3b3b49

Download Submit
memory/3044-37-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3044-91-0x0000000006A70000-0x0000000006AC0000-memory.dmp

Filesize
320KB

Download
memory/3416-66-0x0000000007290000-0x000000000729A000-memory.dmp

Filesize
40KB

Download
memory/3416-62-0x00000000070E0000-0x00000000070FE000-memory.dmp

Filesize
120KB

Download
memory/3416-78-0x0000000007420000-0x0000000007431000-memory.dmp

Filesize
68KB

Download
memory/3416-77-0x00000000074A0000-0x0000000007536000-memory.dmp

Filesize
600KB

Download
memory/3416-81-0x0000000007560000-0x000000000757A000-memory.dmp

Filesize
104KB

Download
memory/3416-64-0x0000000007860000-0x0000000007EDA000-memory.dmp

Filesize
6.5MB

Download
memory/3416-65-0x0000000007220000-0x000000000723A000-memory.dmp

Filesize
104KB

Download
memory/3416-51-0x00000000070A0000-0x00000000070D2000-memory.dmp

Filesize
200KB

Download
memory/3416-63-0x0000000007100000-0x00000000071A3000-memory.dmp

Filesize
652KB

Download
memory/3416-79-0x0000000007450000-0x000000000745E000-memory.dmp

Filesize
56KB

Download
memory/3416-20-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3416-21-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3416-82-0x0000000007540000-0x0000000007548000-memory.dmp

Filesize
32KB

Download
memory/3416-89-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3416-35-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3416-52-0x0000000075590000-0x00000000755DC000-memory.dmp

Filesize
304KB

Download
memory/3416-49-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

Filesize
120KB

Download
memory/3484-17-0x0000000005710000-0x0000000005D38000-memory.dmp

Filesize
6.2MB

Download
memory/3484-67-0x0000000075590000-0x00000000755DC000-memory.dmp

Filesize
304KB

Download
memory/3484-36-0x0000000005F90000-0x00000000062E4000-memory.dmp

Filesize
3.3MB

Download
memory/3484-90-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3484-50-0x0000000006AC0000-0x0000000006B0C000-memory.dmp

Filesize
304KB

Download
memory/3484-23-0x0000000005EB0000-0x0000000005F16000-memory.dmp

Filesize
408KB

Download
memory/3484-24-0x0000000005F20000-0x0000000005F86000-memory.dmp

Filesize
408KB

Download
memory/3484-19-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3484-18-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3484-16-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3484-80-0x0000000007AE0000-0x0000000007AF4000-memory.dmp

Filesize
80KB

Download
memory/3484-15-0x0000000004FA0000-0x0000000004FD6000-memory.dmp

Filesize
216KB

Download
memory/3484-22-0x00000000056D0000-0x00000000056F2000-memory.dmp

Filesize
136KB

Download
memory/3496-10-0x00000000028C0000-0x0000000002946000-memory.dmp

Filesize
536KB

Download
memory/3496-9-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-8-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/3496-7-0x0000000006370000-0x000000000638E000-memory.dmp

Filesize
120KB

Download
memory/3496-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/3496-6-0x0000000005320000-0x00000000053BC000-memory.dmp

Filesize
624KB

Download
memory/3496-5-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-48-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-4-0x00000000050A0000-0x00000000050AA000-memory.dmp

Filesize
40KB

Download
memory/3496-3-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/3496-2-0x00000000055C0000-0x0000000005B64000-memory.dmp

Filesize
5.6MB

Download
memory/3496-1-0x00000000005E0000-0x00000000006A0000-memory.dmp

Filesize
768KB

Download