agenttesla | 93cca2ba4ea093c17f9ec9f3997efa43be301489f8f3a99465e6017dd74aa7a0

General

Target

3L2hNTBCtArFvSA.exe
Size

959KB
MD5

d8462cbddfb5bd7789d37437e89ed852
SHA1

d71607e8d65e4b5d0af96dfce670c9ec42a8724f
SHA256

93cca2ba4ea093c17f9ec9f3997efa43be301489f8f3a99465e6017dd74aa7a0
SHA512

0028a8a6cc36ec9bab5222bd9fdab29aa127f520e1833768fff527b15bbf143997520707bc41fe6a47c8dcd0005e23676326cf922994c080b039e10a686bf8ac

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yatchbabara.com
Port:
587
Username:
[email protected]
Password:
j$Mk$NE7

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3012-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3012-13-0x00000000004375DE-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3L2hNTBCtArFvSA.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\UTCCf = "C:\\Users\\Admin\\AppData\\Roaming\\UTCCf\\UTCCf.exe"	3L2hNTBCtArFvSA.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3L2hNTBCtArFvSA.exe

description pid process target process

PID 580 set thread context of 3012 580 3L2hNTBCtArFvSA.exe 3L2hNTBCtArFvSA.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

3L2hNTBCtArFvSA.exe3L2hNTBCtArFvSA.exe

pid process

580 3L2hNTBCtArFvSA.exe
580 3L2hNTBCtArFvSA.exe
580 3L2hNTBCtArFvSA.exe
3012 3L2hNTBCtArFvSA.exe
3012 3L2hNTBCtArFvSA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3L2hNTBCtArFvSA.exe3L2hNTBCtArFvSA.exe

description pid process

Token: SeDebugPrivilege 580 3L2hNTBCtArFvSA.exe
Token: SeDebugPrivilege 3012 3L2hNTBCtArFvSA.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3L2hNTBCtArFvSA.exe

pid process

3012 3L2hNTBCtArFvSA.exe

description	pid	process	target process
PID 580 set thread context of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe

pid	process
580	3L2hNTBCtArFvSA.exe
580	3L2hNTBCtArFvSA.exe
580	3L2hNTBCtArFvSA.exe
3012	3L2hNTBCtArFvSA.exe
3012	3L2hNTBCtArFvSA.exe

description	pid	process
Token: SeDebugPrivilege	580	3L2hNTBCtArFvSA.exe
Token: SeDebugPrivilege	3012	3L2hNTBCtArFvSA.exe

pid	process
3012	3L2hNTBCtArFvSA.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

3L2hNTBCtArFvSA.exe

description	pid	process	target process
PID 580 wrote to memory of 200	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 200	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 200	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe
PID 580 wrote to memory of 3012	580	3L2hNTBCtArFvSA.exe	3L2hNTBCtArFvSA.exe

C:\Users\Admin\AppData\Local\Temp\3L2hNTBCtArFvSA.exe
"C:\Users\Admin\AppData\Local\Temp\3L2hNTBCtArFvSA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:580

C:\Users\Admin\AppData\Local\Temp\3L2hNTBCtArFvSA.exe
"{path}"
2⤵
PID:200

C:\Users\Admin\AppData\Local\Temp\3L2hNTBCtArFvSA.exe
"{path}"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3012

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/580-2-0x0000000073560000-0x0000000073C4E000-memory.dmp

Filesize
6.9MB

Download
memory/580-3-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/580-5-0x00000000075D0000-0x00000000075D1000-memory.dmp

Filesize
4KB

Download
memory/580-6-0x00000000070D0000-0x00000000070D1000-memory.dmp

Filesize
4KB

Download
memory/580-7-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/580-8-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/580-9-0x0000000004CE0000-0x0000000004CE4000-memory.dmp

Filesize
16KB

Download
memory/580-10-0x00000000009D0000-0x0000000000A2E000-memory.dmp

Filesize
376KB

Download
memory/580-11-0x0000000009400000-0x0000000009401000-memory.dmp

Filesize
4KB

Download
memory/3012-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-13-0x00000000004375DE-mapping.dmp

Download
memory/3012-14-0x0000000073560000-0x0000000073C4E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-19-0x0000000005280000-0x0000000005281000-memory.dmp

Filesize
4KB

Download
memory/3012-20-0x0000000005380000-0x0000000005381000-memory.dmp

Filesize
4KB

Download
memory/3012-21-0x0000000005F00000-0x0000000005F01000-memory.dmp

Filesize
4KB

Download
memory/3012-24-0x0000000005281000-0x0000000005282000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads