agenttesla | 1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb

General

Target

1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
Size

740KB
MD5

31d774bcb59137de3360dcb616cb7b5b
SHA1

83a1b52ebc2b0b765b27ef0566e0f762cd5a1cd9
SHA256

1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb
SHA512

33c7903b26f3fff20aceeafc31a1980ef017350090d7a4ee5333542b0976b29b2eaeec8f97cb5aac549f0344ff33cf0f020e319d4342d47bf5fe61a84d36c76c
SSDEEP

12288:kd1JsJ6S4d1Sh2iNwA4fNTq29Glbr9IjAhnoOSldKByGOFyGK5uPPaSshrQk1S:kdrw1GA4Nm2ZAW9djGOXA

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sintecno.gr
Port:
587
Username:
[email protected]
Password:
k$&v8@,q0Pf#
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. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2144-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2144-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3004-8-0x0000000005A30000-0x0000000005A3C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2144-10-0x0000000000400000-0x0000000000442000-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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2144-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2144-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2144-10-0x0000000000400000-0x0000000000442000-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:

1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cUsRDu = "C:\\Users\\Admin\\AppData\\Roaming\\cUsRDu\\cUsRDu.exe"	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.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

20 api.ipify.org
21 api.ipify.org

flow	ioc
20	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

description	pid	process	target process
PID 3004 set thread context of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

pid	process
3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
2144	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
2144	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

description	pid	process
Token: SeDebugPrivilege	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
Token: SeDebugPrivilege	2144	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

pid process

2144 1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

pid	process
2144	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

description	pid	process	target process
PID 3004 wrote to memory of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
PID 3004 wrote to memory of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
PID 3004 wrote to memory of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
PID 3004 wrote to memory of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
PID 3004 wrote to memory of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
PID 3004 wrote to memory of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
PID 3004 wrote to memory of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
PID 3004 wrote to memory of 2144	3004	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe	1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe

C:\Users\Admin\AppData\Local\Temp\1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
"C:\Users\Admin\AppData\Local\Temp\1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004

C:\Users\Admin\AppData\Local\Temp\1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe
"C:\Users\Admin\AppData\Local\Temp\1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1351b990d6a707e3a6e70890c2e4a637ce36c074210bed4ed5861e111f766ecb.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2144-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2144-20-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/2144-19-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/2144-18-0x0000000006810000-0x0000000006860000-memory.dmp

Filesize
320KB

Download
memory/2144-16-0x0000000005260000-0x00000000052C6000-memory.dmp

Filesize
408KB

Download
memory/2144-15-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/2144-13-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/3004-4-0x0000000005880000-0x0000000005890000-memory.dmp

Filesize
64KB

Download
memory/3004-9-0x0000000006C80000-0x0000000006D04000-memory.dmp

Filesize
528KB

Download
memory/3004-8-0x0000000005A30000-0x0000000005A3C000-memory.dmp

Filesize
48KB

Download
memory/3004-7-0x0000000005870000-0x0000000005882000-memory.dmp

Filesize
72KB

Download
memory/3004-6-0x0000000005890000-0x000000000592C000-memory.dmp

Filesize
624KB

Download
memory/3004-14-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/3004-5-0x00000000055C0000-0x00000000055CA000-memory.dmp

Filesize
40KB

Download
memory/3004-0-0x0000000000B10000-0x0000000000BCC000-memory.dmp

Filesize
752KB

Download
memory/3004-3-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/3004-2-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/3004-1-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads