agenttesla | b96eb3960b1743f8506ea7c22aa77c5565f19a83449e402e77f72ece5bc2f9ac

General

Target

SOA FEB to MAR 2024.exe
Size

836KB
MD5

28e8f4098b5d13326674b51aab58d055
SHA1

6635fa0024bfebfe5bd67e3c0cce5452e3c9b684
SHA256

d5bc04d04a04dc446c372f8f793f18c0cb8d45ba1ae5a817f4314a177fc8d7cc
SHA512

41669163544ed0e5164b1af023b3a2e7c16f32e5e5e6ee68b252dae172c3e574eda8e082ceab5709a63ba279063b904ba8f3fc519fd247ccb4253db3cf7ffb36
SSDEEP

12288:CZqnHvjNIrpf9rN/mc/CFvzstbLM2XS3uxsM6AgKH2e3ZFzJnbP93xE6DlI50Xze:C0PjKr5BNDHbzDx3VgYJjh2OlLze

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sibasultrasonics.com
Port:
587
Username:
sales@sibasultrasonics.com
Password:
wxQ@kr-2OL,{
Email To:
bombsking501@gmail.com

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/1800-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1800-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1800-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1800-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1800-30-0x0000000000400000-0x0000000000442000-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/1800-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1800-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1800-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1800-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1800-30-0x0000000000400000-0x0000000000442000-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/1800-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1800-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1800-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1800-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1800-30-0x0000000000400000-0x0000000000442000-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/1800-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1800-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1800-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1800-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1800-30-0x0000000000400000-0x0000000000442000-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/1800-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1800-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1800-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1800-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1800-30-0x0000000000400000-0x0000000000442000-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/1800-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1800-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1800-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1800-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1800-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

SOA FEB to MAR 2024.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	SOA FEB to MAR 2024.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

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

Processes:

SOA FEB to MAR 2024.exe

description pid process target process

PID 2188 set thread context of 1800 2188 SOA FEB to MAR 2024.exe SOA FEB to MAR 2024.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

2548 schtasks.exe

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

description	pid	process	target process
PID 2188 set thread context of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe

pid	process
2548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

SOA FEB to MAR 2024.exeSOA FEB to MAR 2024.exepowershell.exepowershell.exe

pid	process
2188	SOA FEB to MAR 2024.exe
2188	SOA FEB to MAR 2024.exe
1800	SOA FEB to MAR 2024.exe
1800	SOA FEB to MAR 2024.exe
2544	powershell.exe
2640	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

SOA FEB to MAR 2024.exeSOA FEB to MAR 2024.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2188	SOA FEB to MAR 2024.exe
Token: SeDebugPrivilege	1800	SOA FEB to MAR 2024.exe
Token: SeDebugPrivilege	2544	powershell.exe
Token: SeDebugPrivilege	2640	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SOA FEB to MAR 2024.exe

pid process

1800 SOA FEB to MAR 2024.exe

pid	process
1800	SOA FEB to MAR 2024.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

SOA FEB to MAR 2024.exe

description	pid	process	target process
PID 2188 wrote to memory of 2544	2188	SOA FEB to MAR 2024.exe	powershell.exe
PID 2188 wrote to memory of 2544	2188	SOA FEB to MAR 2024.exe	powershell.exe
PID 2188 wrote to memory of 2544	2188	SOA FEB to MAR 2024.exe	powershell.exe
PID 2188 wrote to memory of 2544	2188	SOA FEB to MAR 2024.exe	powershell.exe
PID 2188 wrote to memory of 2640	2188	SOA FEB to MAR 2024.exe	powershell.exe
PID 2188 wrote to memory of 2640	2188	SOA FEB to MAR 2024.exe	powershell.exe
PID 2188 wrote to memory of 2640	2188	SOA FEB to MAR 2024.exe	powershell.exe
PID 2188 wrote to memory of 2640	2188	SOA FEB to MAR 2024.exe	powershell.exe
PID 2188 wrote to memory of 2548	2188	SOA FEB to MAR 2024.exe	schtasks.exe
PID 2188 wrote to memory of 2548	2188	SOA FEB to MAR 2024.exe	schtasks.exe
PID 2188 wrote to memory of 2548	2188	SOA FEB to MAR 2024.exe	schtasks.exe
PID 2188 wrote to memory of 2548	2188	SOA FEB to MAR 2024.exe	schtasks.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 2188 wrote to memory of 1800	2188	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe

C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
"C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.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 FEB to MAR 2024.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JICwPVw.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JICwPVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3AEE.tmp"
2⤵
- Creates scheduled task(s)
PID:2548

C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
"C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1800

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3AEE.tmp
Filesize
1KB

MD5
c1acecda611849200efa2fe8f7de72f8

SHA1
a27d996f5aaf15cbee56aa801b729cb4ed008a25

SHA256
3c508ee29b10f8febad876b36619aca699f149a63d5c04b29f5ce982a0394061

SHA512
a4ebd9cf8080b6057f56933fd82d53e6c3ddbfa2249dd2930fed962b6a0821883a7b97c0007a9c60b0153f3e460a55f7db336d3cac3271016b0a11c4e1c59fa0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1M0ZQRP7EQEZDZEIGSO2.temp
Filesize
7KB

MD5
d06cf43b70e666a0b04c242a38c3d20f

SHA1
571f8c99ce867b9da6f3f0210424cf19a13dc563

SHA256
960e08b1dbc53468c84399a85eaa89a384286825f74ca5288739e4679b9adedb

SHA512
f40beb1c2a8125c914592bcf9b5a4897326859fe251f32ea689591bc981349df2e18001a1856d4ab67995fe7d97d94ed0aa6a80c7d2ea6aa1b57a493efca8972

Download Submit
memory/1800-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1800-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1800-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1800-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1800-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1800-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1800-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1800-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2188-2-0x00000000005D0000-0x0000000000610000-memory.dmp

Filesize
256KB

Download
memory/2188-1-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2188-0-0x0000000000BC0000-0x0000000000C94000-memory.dmp

Filesize
848KB

Download
memory/2188-3-0x0000000000590000-0x00000000005B0000-memory.dmp

Filesize
128KB

Download
memory/2188-5-0x0000000005B00000-0x0000000005B84000-memory.dmp

Filesize
528KB

Download
memory/2188-4-0x00000000005C0000-0x00000000005D4000-memory.dmp

Filesize
80KB

Download
memory/2188-31-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads