agenttesla | 5e21d008406486ec704e1d8715e28a44d37fa19b064e2fe06c905dacebb6a065

General

Target

101764ZAM2024.exe
Size

932KB
MD5

448e34edd4314a1bea54de04047eb8ea
SHA1

bb23a88feb8f95a28445df75b2e86505b6982fbb
SHA256

7caa9b212df10474e2c16e256ef16152196b75893ad5344bb5e78bb61528a85b
SHA512

19f14f521f6a4cddd954a84f22219e22d595f3f40f93d2b2f1533a663146e9b175e3c2e528439672643050f7ca03924798a42efc56eb6474c5fddf795d8c3c14
SSDEEP

12288:FeZoT+KS7yWLx8H0zMVuG0CWlDkDyjF86ikHZUhh13HxRqkR:gZoT+KS7ygGUUP0RuujFV5Hahv3x3

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hotelroyal.com.pl
Port:
587
Username:
[email protected]
Password:
W0xw6jA.Hdr3
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/1248-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1248-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1248-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1248-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1248-8-0x0000000000400000-0x0000000000442000-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/1248-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1248-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1248-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1248-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1248-8-0x0000000000400000-0x0000000000442000-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/1248-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1248-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1248-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1248-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1248-8-0x0000000000400000-0x0000000000442000-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/1248-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1248-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1248-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1248-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1248-8-0x0000000000400000-0x0000000000442000-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/1248-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1248-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1248-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1248-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1248-8-0x0000000000400000-0x0000000000442000-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/1248-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1248-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1248-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1248-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1248-8-0x0000000000400000-0x0000000000442000-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:

101764ZAM2024.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\gDoMsmy = "C:\\Users\\Admin\\AppData\\Roaming\\gDoMsmy\\gDoMsmy.exe"	101764ZAM2024.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

101764ZAM2024.exe

description pid process target process

PID 1904 set thread context of 1248 1904 101764ZAM2024.exe 101764ZAM2024.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

101764ZAM2024.exe

pid process

1248 101764ZAM2024.exe
1248 101764ZAM2024.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

101764ZAM2024.exe

description pid process

Token: SeDebugPrivilege 1248 101764ZAM2024.exe

description	pid	process	target process
PID 1904 set thread context of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe

pid	process
1248	101764ZAM2024.exe
1248	101764ZAM2024.exe

description	pid	process
Token: SeDebugPrivilege	1248	101764ZAM2024.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

101764ZAM2024.exe

description	pid	process	target process
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe
PID 1904 wrote to memory of 1248	1904	101764ZAM2024.exe	101764ZAM2024.exe

C:\Users\Admin\AppData\Local\Temp\101764ZAM2024.exe
"C:\Users\Admin\AppData\Local\Temp\101764ZAM2024.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1904

C:\Users\Admin\AppData\Local\Temp\101764ZAM2024.exe
"C:\Users\Admin\AppData\Local\Temp\101764ZAM2024.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1248

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1248-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1248-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1248-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1248-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1248-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1248-21-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1248-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1248-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1248-23-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1248-19-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1248-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1904-5-0x0000000004F30000-0x0000000004FB2000-memory.dmp

Filesize
520KB

Download
memory/1904-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/1904-3-0x0000000000440000-0x000000000045A000-memory.dmp

Filesize
104KB

Download
memory/1904-20-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1904-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1904-1-0x0000000000900000-0x00000000009EC000-memory.dmp

Filesize
944KB

Download
memory/1904-4-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads