agenttesla | 4fe4931ff2df16ba3943c1380dd21e9c32ce29a708068b3190c10de20b5a1d99

Analysis

max time kernel
142s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 20:03

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General

Target

PO # 11002021.exe
Size

700KB
MD5

e9901eec1af843e9546a659866270f6e
SHA1

57b6cccf4084b0a4aff6d236eb6a30df4fe8029f
SHA256

20307784e2521eb5d902498d8c893d7c884e518c38d8659780019ad08fbd341b
SHA512

b98b4937c9c94ebbe91f14e758a7b43d7999047c30840ca802ae60ec18fad4479c9bc21a1a375280119969ebc229065a85f17052804aff96b1246dbacd21959e
SSDEEP

12288:dQh08OGQuZLvqJFTPH0nzwViuZhec8Ev9Qv/J7xlgQVXdTK0Yc3/jf/AzcIiOZpw:xnGQYTqrozwVlecivPOYXdTKBcPjfIg

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aldhiyafainteriors.com
Port:
587
Username:
[email protected]
Password:
dhiyafa@987

Signatures

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

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3052-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3052-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3052-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3052-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3052-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3052-26-0x00000000049C0000-0x0000000004A00000-memory.dmp	family_agenttesla
behavioral1/memory/3052-29-0x00000000049C0000-0x0000000004A00000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PO # 11002021.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PO # 11002021.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PO # 11002021.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO # 11002021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PO # 11002021.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\DnDcR = "C:\\Users\\Admin\\AppData\\Roaming\\DnDcR\\DnDcR.exe"	PO # 11002021.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO # 11002021.exe

description pid process target process

PID 3024 set thread context of 3052 3024 PO # 11002021.exe PO # 11002021.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2524 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO # 11002021.exePO # 11002021.exe

pid process

3024 PO # 11002021.exe
3052 PO # 11002021.exe
3052 PO # 11002021.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO # 11002021.exePO # 11002021.exe

description pid process

Token: SeDebugPrivilege 3024 PO # 11002021.exe
Token: SeDebugPrivilege 3052 PO # 11002021.exe

description	pid	process	target process
PID 3024 set thread context of 3052	3024	PO # 11002021.exe	PO # 11002021.exe

pid	process
2524	schtasks.exe

pid	process
3024	PO # 11002021.exe
3052	PO # 11002021.exe
3052	PO # 11002021.exe

description	pid	process
Token: SeDebugPrivilege	3024	PO # 11002021.exe
Token: SeDebugPrivilege	3052	PO # 11002021.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO # 11002021.exe

description	pid	process	target process
PID 3024 wrote to memory of 2524	3024	PO # 11002021.exe	schtasks.exe
PID 3024 wrote to memory of 2524	3024	PO # 11002021.exe	schtasks.exe
PID 3024 wrote to memory of 2524	3024	PO # 11002021.exe	schtasks.exe
PID 3024 wrote to memory of 2524	3024	PO # 11002021.exe	schtasks.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe
PID 3024 wrote to memory of 3052	3024	PO # 11002021.exe	PO # 11002021.exe

outlook_office_path 1 IoCs

Processes:

PO # 11002021.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO # 11002021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe

outlook_win_path 1 IoCs

Processes:

PO # 11002021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO # 11002021.exe

C:\Users\Admin\AppData\Local\Temp\PO # 11002021.exe
"C:\Users\Admin\AppData\Local\Temp\PO # 11002021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ucluvjDNoCBwJD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE502.tmp"
2⤵
- Creates scheduled task(s)
PID:2524

C:\Users\Admin\AppData\Local\Temp\PO # 11002021.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3052

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE502.tmp
Filesize
1KB

MD5
9766475a87058de3e964d3b443ee7cfa

SHA1
a2f875e850cc6fa958a874cc52bfbfbe461f32a1

SHA256
e2538f9a0d20ea1808d77c81e9e34a4fc255910aec5e53591bd2fac7ab1cebda

SHA512
c2d3898a6f8adcedaed1e492dea37f76bda8092afc8a2b94a8bb5290d994df9277007028f7c2bfce6faf6d74982d9bd383e62c7a50e73c0ba09669138468f79e

Download Submit
memory/3024-0-0x0000000000900000-0x00000000009B6000-memory.dmp

Filesize
728KB

Download
memory/3024-1-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-2-0x0000000004D70000-0x0000000004DB0000-memory.dmp

Filesize
256KB

Download
memory/3024-3-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/3024-4-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-5-0x0000000004D70000-0x0000000004DB0000-memory.dmp

Filesize
256KB

Download
memory/3024-6-0x0000000005390000-0x000000000540C000-memory.dmp

Filesize
496KB

Download
memory/3024-7-0x00000000007B0000-0x00000000007EC000-memory.dmp

Filesize
240KB

Download
memory/3024-25-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3052-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3052-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3052-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3052-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3052-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3052-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3052-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3052-24-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-26-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/3052-28-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-29-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/3052-31-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download
memory/3052-32-0x00000000049C0000-0x0000000004A00000-memory.dmp

Filesize
256KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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