agenttesla | bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73

General

Target

bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
Size

772KB
MD5

f0be9493ae223f78ef2b7218f388ae87
SHA1

69a0ad09c3b7c919d4f5c8729033f3a1db10a662
SHA256

bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73
SHA512

c30768325e0478a7fa14d0c8726852dcdb5e0cfc982df4bb2477c04b223c156d58a1d1e8b1969398ca90625ada2338c78130218a70db6f6d9f00fe72ab644d85
SSDEEP

12288:KqTXJtaEc4qxpRzsqIaEa8hIcQqBjAq3SR7yNAwXtVYw1G3yFmGmhUD397rP+2/I:R9tuv/D0Lqqi2Ce1OiI

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sai-lee.in
Port:
587
Username:
[email protected]
Password:
Sailee$01
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/2528-29-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2528-28-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2528-31-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2528-25-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2528-23-0x0000000000400000-0x0000000000440000-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/2528-29-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2528-28-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2528-31-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2528-25-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2528-23-0x0000000000400000-0x0000000000440000-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/2528-29-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2528-28-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2528-31-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2528-25-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2528-23-0x0000000000400000-0x0000000000440000-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/2528-29-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2528-28-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2528-31-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2528-25-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2528-23-0x0000000000400000-0x0000000000440000-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/2528-29-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2528-28-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2528-31-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2528-25-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2528-23-0x0000000000400000-0x0000000000440000-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/2528-29-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2528-28-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2528-31-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2528-25-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2528-23-0x0000000000400000-0x0000000000440000-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

2572 powershell.exe
2480 powershell.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.ipify.org
4 api.ipify.org

pid	process
2572	powershell.exe
2480	powershell.exe

flow	ioc
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe

description	pid	process	target process
PID 2016 set thread context of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.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

1148 schtasks.exe

pid	process
1148	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exepowershell.exepowershell.exe

pid	process
2528	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
2528	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
2572	powershell.exe
2480	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2528	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
Token: SeDebugPrivilege	2572	powershell.exe
Token: SeDebugPrivilege	2480	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe

pid process

2528 bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe

description	pid	process	target process
PID 2016 wrote to memory of 2572	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	powershell.exe
PID 2016 wrote to memory of 2572	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	powershell.exe
PID 2016 wrote to memory of 2572	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	powershell.exe
PID 2016 wrote to memory of 2572	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	powershell.exe
PID 2016 wrote to memory of 2480	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	powershell.exe
PID 2016 wrote to memory of 2480	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	powershell.exe
PID 2016 wrote to memory of 2480	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	powershell.exe
PID 2016 wrote to memory of 2480	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	powershell.exe
PID 2016 wrote to memory of 1148	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	schtasks.exe
PID 2016 wrote to memory of 1148	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	schtasks.exe
PID 2016 wrote to memory of 1148	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	schtasks.exe
PID 2016 wrote to memory of 1148	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	schtasks.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
PID 2016 wrote to memory of 2528	2016	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe	bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe

C:\Users\Admin\AppData\Local\Temp\bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
"C:\Users\Admin\AppData\Local\Temp\bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2016

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\bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2572

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FvOlvyo.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FvOlvyo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5734.tmp"
2⤵
- Creates scheduled task(s)
PID:1148

C:\Users\Admin\AppData\Local\Temp\bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe
"C:\Users\Admin\AppData\Local\Temp\bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5734.tmp
Filesize
1KB

MD5
30037f8ee11f6024804f49189f3a4ebf

SHA1
fd1e5d1009e60e1120452a977a8e6c607f7c07dd

SHA256
29a3a580258ecc8eb8adc19995f4b25c482d49a50e982851b6e1f7ff514b1735

SHA512
690236228d35b2d81ea03b107a4b045c17f52b2e1b8a52adbc9e769dfd67dc3d12a66114c08cd2895d11d34d1a5e8db57fe4f53010aee564f4f72c48a5faf2c2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7NHATI2LXKPOHCG6RIBM.temp
Filesize
7KB

MD5
93034dff38309c3270c49a4385218ba0

SHA1
4973b04cca95861afa82cc8ba07e6abb812e8f80

SHA256
92b9653eb394d78de01e1aab87ad9edb43a10df7b70fe55bc362b9381dde35cc

SHA512
47148176d4d114550783ba8c242238774a21548b420cda6bd0fc0a37dedda756963a88859828e13282fffcd6ec3f2e2c3870bb9a7ad7065bdd5648c2671b4eb3

Download Submit
memory/2016-4-0x0000000000460000-0x000000000047A000-memory.dmp

Filesize
104KB

Download
memory/2016-32-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2016-0-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/2016-5-0x00000000002B0000-0x00000000002C0000-memory.dmp

Filesize
64KB

Download
memory/2016-6-0x0000000007740000-0x00000000077C2000-memory.dmp

Filesize
520KB

Download
memory/2016-2-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2016-1-0x0000000000BD0000-0x0000000000C94000-memory.dmp

Filesize
784KB

Download
memory/2016-3-0x0000000004710000-0x00000000047B0000-memory.dmp

Filesize
640KB

Download
memory/2528-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads