agenttesla | 2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48

General

Target

2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe
Size

1.2MB
MD5

8235a9078656e3e8a8b90657749faa5e
SHA1

77a1d0fa98939af1d551f90981b9793aa2fc8da3
SHA256

2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48
SHA512

18bbf82bb6904739c78426c3e9d7e7a32e8e7908bb92cb10eb1d5360638722d5bd289814bb349b05741d35c4ff43489524504cd777c01050054f272e7078ceac
SSDEEP

24576:xw4bjw4biPl/hJxcpOUR9HsRia5T6yy7UHjR:xw4bjw4biPvSOEsYMOyEq

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.naveentour.com
Port:
587
Username:
[email protected]
Password:
nav!T6u2@001
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/2548-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2548-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2548-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2548-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2548-28-0x0000000000400000-0x0000000000442000-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/2548-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2548-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2548-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2548-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2548-28-0x0000000000400000-0x0000000000442000-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/2548-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2548-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2548-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2548-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2548-28-0x0000000000400000-0x0000000000442000-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/2548-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2548-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2548-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2548-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2548-28-0x0000000000400000-0x0000000000442000-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/2548-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2548-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2548-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2548-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2548-28-0x0000000000400000-0x0000000000442000-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/2548-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2548-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2548-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2548-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2548-28-0x0000000000400000-0x0000000000442000-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

2724 powershell.exe
2640 powershell.exe

pid	process
2724	powershell.exe
2640	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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe

description	pid	process	target process
PID 848 set thread context of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.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

2632 schtasks.exe

pid	process
2632	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exeRegSvcs.exepowershell.exepowershell.exe

pid	process
848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe
848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe
848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe
848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe
2548	RegSvcs.exe
2548	RegSvcs.exe
2640	powershell.exe
2724	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exeRegSvcs.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe
Token: SeDebugPrivilege	2548	RegSvcs.exe
Token: SeDebugPrivilege	2640	powershell.exe
Token: SeDebugPrivilege	2724	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe

description	pid	process	target process
PID 848 wrote to memory of 2640	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	powershell.exe
PID 848 wrote to memory of 2640	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	powershell.exe
PID 848 wrote to memory of 2640	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	powershell.exe
PID 848 wrote to memory of 2640	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	powershell.exe
PID 848 wrote to memory of 2724	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	powershell.exe
PID 848 wrote to memory of 2724	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	powershell.exe
PID 848 wrote to memory of 2724	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	powershell.exe
PID 848 wrote to memory of 2724	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	powershell.exe
PID 848 wrote to memory of 2632	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	schtasks.exe
PID 848 wrote to memory of 2632	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	schtasks.exe
PID 848 wrote to memory of 2632	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	schtasks.exe
PID 848 wrote to memory of 2632	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	schtasks.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe
PID 848 wrote to memory of 2548	848	2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe
"C:\Users\Admin\AppData\Local\Temp\2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:848

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\2b48bf8b6d8366e4f7e6e03e5f799a8a115e06a3321fdab8f2e45cd6dee42d48.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rjHjDRImY.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rjHjDRImY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6393.tmp"
2⤵
- Creates scheduled task(s)
PID:2632

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:2548

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6393.tmp
Filesize
1KB

MD5
4acbbda73beef6f82e768d42cad569e0

SHA1
f97a564c0a8d6448a108872f219c120f41d551fe

SHA256
f122d42cc5dded604c2500c0bb7a6f99b1a2db0efacbe9f568a045e0bbb5e437

SHA512
d29ab3ae70232c1b9e4d46ce2cec8b4871114657a0f7a144903762566cf3e4d0d7b3bfd8ef7f25add0081c7ce9cecf4c003431d8f70b599925e1e65f60d7b79a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
0d57684894db7934b6b4f849bbf04450

SHA1
7a2cc2291a61f2460a4f6a42633e9080655c7b8a

SHA256
41835a0a5886c77959acdc51dbaa527c9176a1a3b706cdadadf3b9a177ec7c77

SHA512
fde78752f20a647b177c1bdc250215b5aca3de221af3e6d692e0f70186ca144ad934026beb74d1b9670d3fb053b9e46948e0d2db11b52bce15a990dc350049b5

Download Submit
memory/848-31-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/848-1-0x00000000009F0000-0x0000000000B1E000-memory.dmp

Filesize
1.2MB

Download
memory/848-2-0x0000000074250000-0x000000007493E000-memory.dmp

Filesize
6.9MB

Download
memory/848-3-0x0000000000510000-0x000000000052A000-memory.dmp

Filesize
104KB

Download
memory/848-4-0x00000000004C0000-0x00000000004D0000-memory.dmp

Filesize
64KB

Download
memory/848-5-0x0000000005260000-0x00000000052E2000-memory.dmp

Filesize
520KB

Download
memory/848-0-0x000000007425E000-0x000000007425F000-memory.dmp

Filesize
4KB

Download
memory/2548-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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

Filesize
264KB

Download
memory/2548-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

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

Filesize
264KB

Download
memory/2548-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads