agenttesla | 2d23c41d0704f8754b1dcda4ac9b23a9f48b1b998641f9c50baf53a2f9a1e340

General

Target

Invoice.exe
Size

879KB
MD5

985e5f26d1a0c32333e93dc4894d3356
SHA1

9b0f06f9af058102076eba60dd2c3f2e10881f20
SHA256

24ce2be70ffbceba0067972a154cba571866cbeca67e2132bc01352f46acd9b6
SHA512

c4336bb45a3650b83f23dcf56e4fad54e21bbff11fe2c94611d3c47c9b13708e5d27ab0fb4f662f6fd91e0ab0ae4981485d97bca74d3a7e2b0d5df06ae8e783c
SSDEEP

12288:FSIJRAyGTyWXV7OvWaH5vQ4X1Uq/bYtYhygq/tKiSUUbziZf6GGT:pJRAhxOvW45llJYtYha/tKXVF

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
592	powershell.exe
2804	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-1-5-21-4177215427-74451935-3209572229-1000\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2052 set thread context of 2548	2052	Invoice.exe	37

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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2052	Invoice.exe
2804	powershell.exe
592	powershell.exe
2052	Invoice.exe
2548	RegSvcs.exe
2548	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2052	Invoice.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	592	powershell.exe
Token: SeDebugPrivilege	2548	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2548	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 592	2052	Invoice.exe	31
PID 2052 wrote to memory of 592	2052	Invoice.exe	31
PID 2052 wrote to memory of 592	2052	Invoice.exe	31
PID 2052 wrote to memory of 592	2052	Invoice.exe	31
PID 2052 wrote to memory of 2804	2052	Invoice.exe	33
PID 2052 wrote to memory of 2804	2052	Invoice.exe	33
PID 2052 wrote to memory of 2804	2052	Invoice.exe	33
PID 2052 wrote to memory of 2804	2052	Invoice.exe	33
PID 2052 wrote to memory of 2832	2052	Invoice.exe	35
PID 2052 wrote to memory of 2832	2052	Invoice.exe	35
PID 2052 wrote to memory of 2832	2052	Invoice.exe	35
PID 2052 wrote to memory of 2832	2052	Invoice.exe	35
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37
PID 2052 wrote to memory of 2548	2052	Invoice.exe	37

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052
- 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:592
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SCyydlPz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SCyydlPz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2832
- 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:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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

C:\Users\Admin\AppData\Local\Temp\tmp1.tmp

Filesize
1KB

MD5
13eb84b5484f71e0f3d14555cec64173

SHA1
ae2b12d0fb32fe880c68106c2b7f5bd8afed153a

SHA256
fe2739de94849d4039d637fe9b2471a523c2c7e5285970f4335599286ab808f6

SHA512
82487ba82452806deb46e4df5212cb2f5dbb608bb22888d9bfe496d19cdcdbacfa368b0c04112d0309007cfded6b11e7908287c65b675583a660092d46949e44

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

Filesize
7KB

MD5
db3b8d713bf21f2f5af7be60e0417d3e

SHA1
11d5acfc7e28215b9ff1123d2686a45966d5a273

SHA256
bf805164a8c8064b7b3e640763b051ee544cacfc8d3b013015f9877e367666c4

SHA512
391d84e55381dc612ec185a14f035e5718cd7337667f154c5b70ae31ad59888b65e22754950ca2edd59905b606ec231512b5935cff40f808575f45257373f5fe

Download Submit
memory/2052-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2052-31-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2052-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2052-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2052-6-0x0000000004860000-0x00000000048E6000-memory.dmp

Filesize
536KB

Download
memory/2052-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2052-1-0x0000000010590000-0x0000000010672000-memory.dmp

Filesize
904KB

Download
memory/2052-3-0x00000000006F0000-0x0000000000716000-memory.dmp

Filesize
152KB

Download
memory/2548-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2548-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads