agenttesla | 8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914

General

Target

8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
Size

673KB
MD5

f00f7c52552aaf2410ff3082fa37daeb
SHA1

881b033d370728d7abd1b833517bf3c0cfc8d2c8
SHA256

8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914
SHA512

b3d4ccaeb3dcf94962c529bd00ee5b2fe7f956215ef2fd71578e35e75c62a0ca4f466c72292c820ec1313c2fa819cff34e579f8d4151a0e5711b0c06e291d571
SSDEEP

12288:9fYifTnzq6udapuUZ1Z1rFAHPaoq2LLU2GlreaaDyco0wwkR:9Aiz0kpuUZ7UH9erWyoC

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.springandsummer.lk
Port:
587
Username:
[email protected]
Password:
anu##323
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Processes:

powershell.exepowershell.exe

pid process

2716 powershell.exe
2700 powershell.exe

pid	process
2716	powershell.exe
2700	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe

description	pid	process	target process
PID 2764 set thread context of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2648 schtasks.exe

pid	process
2648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exeRegSvcs.exepowershell.exepowershell.exe

pid	process
2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
2772	RegSvcs.exe
2772	RegSvcs.exe
2700	powershell.exe
2716	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exeRegSvcs.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
Token: SeDebugPrivilege	2772	RegSvcs.exe
Token: SeDebugPrivilege	2700	powershell.exe
Token: SeDebugPrivilege	2716	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe

description	pid	process	target process
PID 2764 wrote to memory of 2716	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	powershell.exe
PID 2764 wrote to memory of 2716	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	powershell.exe
PID 2764 wrote to memory of 2716	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	powershell.exe
PID 2764 wrote to memory of 2716	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	powershell.exe
PID 2764 wrote to memory of 2700	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	powershell.exe
PID 2764 wrote to memory of 2700	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	powershell.exe
PID 2764 wrote to memory of 2700	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	powershell.exe
PID 2764 wrote to memory of 2700	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	powershell.exe
PID 2764 wrote to memory of 2648	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	schtasks.exe
PID 2764 wrote to memory of 2648	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	schtasks.exe
PID 2764 wrote to memory of 2648	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	schtasks.exe
PID 2764 wrote to memory of 2648	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	schtasks.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe
PID 2764 wrote to memory of 2772	2764	8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
"C:\Users\Admin\AppData\Local\Temp\8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764
- 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\8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sYntCeaVlYgp.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2700
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sYntCeaVlYgp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF46D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2648
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF46D.tmp

Filesize
1KB

MD5
d11cb186052f293212fd05eecfb436ae

SHA1
a93f204d13b9d1cc704cf9f279266df849feec8c

SHA256
7b431c374c7d043a22a7636d0981aae665624f652034ba18d1433b1f3c4dbd64

SHA512
246f92963c5cf1b8d25e7d91b8a1b20137b745dc214f083c3defc2129ef1747a5468de856f8983f2a25fac02dfbefc91b988201408563a3ac15ecfaee285d701

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RUZULMKQ0XEVTL794PBY.temp

Filesize
7KB

MD5
1a89722f46eddace957ba3181bb420d3

SHA1
0d8a7f37aaee09557f5a54f0f629fdb4caadd7f4

SHA256
f8a89e8a71c9b8f281fd14821d9f245223adac146474fad4400e642f5036398e

SHA512
e52594efc46a8836301a7cc6e0501496c91677ca157d158f0675db57e9f4c7ef1d1a6eb93554d3ecc34b125b85eb2c2e7ad60764014dd5543adb6ba01042987c

Download Submit
memory/2764-4-0x0000000000210000-0x0000000000220000-memory.dmp

Filesize
64KB

Download
memory/2764-31-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2764-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2764-5-0x0000000005300000-0x0000000005384000-memory.dmp

Filesize
528KB

Download
memory/2764-6-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2764-2-0x00000000743A0000-0x0000000074A8E000-memory.dmp

Filesize
6.9MB

Download
memory/2764-1-0x0000000000220000-0x00000000002CA000-memory.dmp

Filesize
680KB

Download
memory/2764-3-0x0000000000350000-0x000000000036A000-memory.dmp

Filesize
104KB

Download
memory/2772-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads