agenttesla | b7ca7cb881d15414b022a7c568bfaf861a0be5c404fa800cd6549dc5819c6d0a

General

Target

sUYjLDLnEi6Pv5y.exe
Size

702KB
MD5

541f21ea9b009eb8305113b63a4f65f0
SHA1

39919825256e0d59958c51c22a99f7217498e42c
SHA256

b7ca7cb881d15414b022a7c568bfaf861a0be5c404fa800cd6549dc5819c6d0a
SHA512

4ab45d4e8858c30c01243435b1798349d75ec5b48939966e4b896d8d9e2ead468a04e953727f1ead1bfd81c9095c3e79f7dd2a12bb8db971b4b656fc8388bbad

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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1608-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1608-9-0x00000000004375DE-mapping.dmp	family_agenttesla
behavioral1/memory/1608-11-0x0000000000400000-0x000000000043C000-memory.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:

sUYjLDLnEi6Pv5y.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\UTCCf = "C:\\Users\\Admin\\AppData\\Roaming\\UTCCf\\UTCCf.exe"	sUYjLDLnEi6Pv5y.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

sUYjLDLnEi6Pv5y.exe

description pid process target process

PID 1064 set thread context of 1608 1064 sUYjLDLnEi6Pv5y.exe sUYjLDLnEi6Pv5y.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

sUYjLDLnEi6Pv5y.exe

pid process

1608 sUYjLDLnEi6Pv5y.exe
1608 sUYjLDLnEi6Pv5y.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

sUYjLDLnEi6Pv5y.exe

description pid process

Token: SeDebugPrivilege 1608 sUYjLDLnEi6Pv5y.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sUYjLDLnEi6Pv5y.exe

pid process

1608 sUYjLDLnEi6Pv5y.exe

description	pid	process	target process
PID 1064 set thread context of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe

pid	process
1608	sUYjLDLnEi6Pv5y.exe
1608	sUYjLDLnEi6Pv5y.exe

description	pid	process
Token: SeDebugPrivilege	1608	sUYjLDLnEi6Pv5y.exe

pid	process
1608	sUYjLDLnEi6Pv5y.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

sUYjLDLnEi6Pv5y.exe

description	pid	process	target process
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe
PID 1064 wrote to memory of 1608	1064	sUYjLDLnEi6Pv5y.exe	sUYjLDLnEi6Pv5y.exe

C:\Users\Admin\AppData\Local\Temp\sUYjLDLnEi6Pv5y.exe
"C:\Users\Admin\AppData\Local\Temp\sUYjLDLnEi6Pv5y.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1064

C:\Users\Admin\AppData\Local\Temp\sUYjLDLnEi6Pv5y.exe
"{path}"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1608

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/1064-2-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/1064-3-0x00000000010E0000-0x00000000010E1000-memory.dmp

Filesize
4KB

Download
memory/1064-5-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/1064-6-0x0000000000520000-0x0000000000524000-memory.dmp

Filesize
16KB

Download
memory/1064-7-0x00000000053B0000-0x0000000005412000-memory.dmp

Filesize
392KB

Download
memory/1608-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1608-9-0x00000000004375DE-mapping.dmp

Download
memory/1608-10-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/1608-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1608-13-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/1608-14-0x0000000004B81000-0x0000000004B82000-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