agenttesla | 434affc196aedacb686d0dcd5d15fc03e85a4cf3db041192d8e8c995291488c1

General

Target

SOA APR 24.exe
Size

670KB
MD5

2b12a266317f002c205011fa1958072c
SHA1

07e6859611698f37aa9c4011f76907aafe524218
SHA256

dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04
SHA512

444f0444202f3c4c67cdf3deeb479233041edd4d7a16c0240b729173b5781322278d21abb9e55eb09668795e1121a77ea9ffd11735823a08b109f064969f67b8
SSDEEP

12288:J0FJzi8LkpEaAxx1Qy0+9+WTehgXkWP3DdFsOFHplgCIQlHzWH4jdmeO1W+TLTuU:KT2jE3LS7+99fXxP3DdFnFJ2CIQBgcdO

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.activefreightpak.com
Port:
587
Username:
[email protected]
Password:
AFSPL**77**
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/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-21-0x0000000000400000-0x0000000000442000-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/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-21-0x0000000000400000-0x0000000000442000-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/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-21-0x0000000000400000-0x0000000000442000-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/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-21-0x0000000000400000-0x0000000000442000-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/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-21-0x0000000000400000-0x0000000000442000-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/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-21-0x0000000000400000-0x0000000000442000-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

2028 powershell.exe
1992 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

pid	process
2028	powershell.exe
1992	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

SOA APR 24.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnFClsT = "C:\\Users\\Admin\\AppData\\Roaming\\bnFClsT\\bnFClsT.exe"	SOA APR 24.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.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA APR 24.exe

description pid process target process

PID 2188 set thread context of 2524 2188 SOA APR 24.exe SOA APR 24.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

1648 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

SOA APR 24.exeSOA APR 24.exepowershell.exepowershell.exe

pid process

2188 SOA APR 24.exe
2188 SOA APR 24.exe
2524 SOA APR 24.exe
2524 SOA APR 24.exe
2028 powershell.exe
1992 powershell.exe

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

description	pid	process	target process
PID 2188 set thread context of 2524	2188	SOA APR 24.exe	SOA APR 24.exe

pid	process
1648	schtasks.exe

pid	process
2188	SOA APR 24.exe
2188	SOA APR 24.exe
2524	SOA APR 24.exe
2524	SOA APR 24.exe
2028	powershell.exe
1992	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

SOA APR 24.exeSOA APR 24.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2188	SOA APR 24.exe
Token: SeDebugPrivilege	2524	SOA APR 24.exe
Token: SeDebugPrivilege	2028	powershell.exe
Token: SeDebugPrivilege	1992	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SOA APR 24.exe

pid process

2524 SOA APR 24.exe

pid	process
2524	SOA APR 24.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

SOA APR 24.exe

description	pid	process	target process
PID 2188 wrote to memory of 2028	2188	SOA APR 24.exe	powershell.exe
PID 2188 wrote to memory of 2028	2188	SOA APR 24.exe	powershell.exe
PID 2188 wrote to memory of 2028	2188	SOA APR 24.exe	powershell.exe
PID 2188 wrote to memory of 2028	2188	SOA APR 24.exe	powershell.exe
PID 2188 wrote to memory of 1992	2188	SOA APR 24.exe	powershell.exe
PID 2188 wrote to memory of 1992	2188	SOA APR 24.exe	powershell.exe
PID 2188 wrote to memory of 1992	2188	SOA APR 24.exe	powershell.exe
PID 2188 wrote to memory of 1992	2188	SOA APR 24.exe	powershell.exe
PID 2188 wrote to memory of 1648	2188	SOA APR 24.exe	schtasks.exe
PID 2188 wrote to memory of 1648	2188	SOA APR 24.exe	schtasks.exe
PID 2188 wrote to memory of 1648	2188	SOA APR 24.exe	schtasks.exe
PID 2188 wrote to memory of 1648	2188	SOA APR 24.exe	schtasks.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe
PID 2188 wrote to memory of 2524	2188	SOA APR 24.exe	SOA APR 24.exe

C:\Users\Admin\AppData\Local\Temp\SOA APR 24.exe
"C:\Users\Admin\AppData\Local\Temp\SOA APR 24.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2188

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\SOA APR 24.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eeOuEr.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeOuEr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD394.tmp"
2⤵
- Creates scheduled task(s)
PID:1648

C:\Users\Admin\AppData\Local\Temp\SOA APR 24.exe
"C:\Users\Admin\AppData\Local\Temp\SOA APR 24.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2524

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

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\tmpD394.tmp

Filesize
1KB

MD5
94f2152bb491c583f8ad78a86e05b2dd

SHA1
5f9a83317321076e4d6e1a8ced2cbf48c5ff4feb

SHA256
a260f5324ac6439e488b2770cd56003d5fb2fe6f2be74523de71a6c428f9f93a

SHA512
7fd26a8a81ad7971bc09a5446b40632bd3eea83c99be50d0372ddc652d39d7210bea3b25efcc0b1a80b697a995ae4e8c1a72ca0d6ceadc817b97b8c94dca1870

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

Filesize
7KB

MD5
35264da7510f3fcdcd1ac2a7aba03b7c

SHA1
a20e1917aed9cc5a73274579fce1347de530f7f2

SHA256
e8c077363c344e62ef0e546cedc9c8aa36bcbe4f804b02f7b792d9ff2304d40e

SHA512
ad9028e98c50e8e3ba3743f1e2a4c56888bb206c97ba3a27c4a19fe06c3e610df91b696ed8be5333b10b2c0e980e2721af18c9894d7474375436cab0c32f53cd

Download Submit
memory/2188-29-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-1-0x0000000000CA0000-0x0000000000D4A000-memory.dmp

Filesize
680KB

Download
memory/2188-2-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-3-0x00000000007A0000-0x00000000007BA000-memory.dmp

Filesize
104KB

Download
memory/2188-4-0x00000000004C0000-0x00000000004D0000-memory.dmp

Filesize
64KB

Download
memory/2188-5-0x0000000004FF0000-0x0000000005074000-memory.dmp

Filesize
528KB

Download
memory/2188-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/2524-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2524-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads