agenttesla | 9cac91adc3dbc1fdd15e503391b9656ec2d7b9b31e72273b34afb4dad684dc67

General

Target

IAHYP4OU.exe
Size

620KB
MD5

33b370e37c963a7e3051a98a63429e4f
SHA1

92baae7d4da34c18807942cfb6c9f11906450d49
SHA256

d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61
SHA512

898ae92ed64d30661a3884c8a4550ad7aee4515a2f9d0c3ee3d4404ac627f50ef888a4ba9d8c61df85c176faae014410e92f4f6c72679f69516eecfdc7664774

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.studlandstol.com
Port:
587
Username:
[email protected]
Password:
dutyfaithlu12345

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1180-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1180-64-0x000000000044CC3E-mapping.dmp	family_agenttesla
behavioral1/memory/1180-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1180-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1180-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1180-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

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
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

IAHYP4OU.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IAHYP4OU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IAHYP4OU.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IAHYP4OU.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

IAHYP4OU.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe"	IAHYP4OU.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

IAHYP4OU.exe

description pid process target process

PID 1636 set thread context of 1180 1636 IAHYP4OU.exe IAHYP4OU.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1088 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

IAHYP4OU.exe

pid process

1180 IAHYP4OU.exe
1180 IAHYP4OU.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

IAHYP4OU.exe

description pid process

Token: SeDebugPrivilege 1180 IAHYP4OU.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IAHYP4OU.exe

pid process

1180 IAHYP4OU.exe

description	pid	process	target process
PID 1636 set thread context of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe

pid	process
1088	schtasks.exe

pid	process
1180	IAHYP4OU.exe
1180	IAHYP4OU.exe

description	pid	process
Token: SeDebugPrivilege	1180	IAHYP4OU.exe

pid	process
1180	IAHYP4OU.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

IAHYP4OU.exeIAHYP4OU.exe

description	pid	process	target process
PID 1636 wrote to memory of 1088	1636	IAHYP4OU.exe	schtasks.exe
PID 1636 wrote to memory of 1088	1636	IAHYP4OU.exe	schtasks.exe
PID 1636 wrote to memory of 1088	1636	IAHYP4OU.exe	schtasks.exe
PID 1636 wrote to memory of 1088	1636	IAHYP4OU.exe	schtasks.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1636 wrote to memory of 1180	1636	IAHYP4OU.exe	IAHYP4OU.exe
PID 1180 wrote to memory of 1596	1180	IAHYP4OU.exe	netsh.exe
PID 1180 wrote to memory of 1596	1180	IAHYP4OU.exe	netsh.exe
PID 1180 wrote to memory of 1596	1180	IAHYP4OU.exe	netsh.exe
PID 1180 wrote to memory of 1596	1180	IAHYP4OU.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

IAHYP4OU.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IAHYP4OU.exe

outlook_win_path 1 IoCs

Processes:

IAHYP4OU.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	IAHYP4OU.exe

C:\Users\Admin\AppData\Local\Temp\IAHYP4OU.exe
"C:\Users\Admin\AppData\Local\Temp\IAHYP4OU.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCFCE.tmp"
2⤵
- Creates scheduled task(s)
PID:1088

C:\Users\Admin\AppData\Local\Temp\IAHYP4OU.exe
"C:\Users\Admin\AppData\Local\Temp\IAHYP4OU.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1180

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1596

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
61aeb01590cef596e1070974949eaf11

SHA1
57338065731c05440d467ce637d8cc58603f2c6f

SHA256
9c126532a208b686cbd6f80c9be429965f0cb31f7f32ce8b6a93d9f1333e9793

SHA512
aaf6a1f1b1e90c57e6ee3aa4f6fc163cd8795ae489803855b638e29c68bcccb815150e3e8333c6c2068f7f65260bc4904489279305df55f4d5e429c38b4c13f7

Download Submit
memory/1088-56-0x0000000000000000-mapping.dmp

Download
memory/1180-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1180-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1180-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1180-64-0x000000000044CC3E-mapping.dmp

Download
memory/1180-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1180-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1180-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1180-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1180-70-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/1596-71-0x0000000000000000-mapping.dmp

Download
memory/1636-55-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1636-54-0x0000000076421000-0x0000000076423000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads