agenttesla | 7ca0acdc3e8b24c2034b2205dbfdf744c903cae7c88b1d09b529991168c05dca

Analysis

max time kernel
127s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:24

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General

Target

EZ0496.exe
Size

780KB
MD5

5a67509f3472ff42c3ccfb63fca70b7e
SHA1

8de5cbf18f1927c218e068831947c6a4ea1cc153
SHA256

dddc02f397519000994d6ceda5f33e4c4073fa6639c667d2cbaa0b0ee72944d4
SHA512

2d46cb65214e8ad2b53f413b2f4f2209ad9b739aaa7feffca3920537fa6e5d4b86528706b600260b3f5a296d7a724f5a6442973083dc0f32a17e6e45b16249be
SSDEEP

12288:r5VkoZUWVp65ZKUqWuRHDoiPkmXW1X5UGoELmfgih5xEu//j:vpW4UqWuhvkj1pUG7mIibT

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.topfrozenfoodbrand.com
Port:
587
Username:
[email protected]
Password:
Chukwudim28@
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral10/memory/4440-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4992 set thread context of 4440	4992	EZ0496.exe	99

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EZ0496.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EZ0496.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4440	EZ0496.exe
4440	EZ0496.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4440	EZ0496.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4440	4992	EZ0496.exe	99
PID 4992 wrote to memory of 4440	4992	EZ0496.exe	99
PID 4992 wrote to memory of 4440	4992	EZ0496.exe	99
PID 4992 wrote to memory of 4440	4992	EZ0496.exe	99
PID 4992 wrote to memory of 4440	4992	EZ0496.exe	99
PID 4992 wrote to memory of 4440	4992	EZ0496.exe	99
PID 4992 wrote to memory of 4440	4992	EZ0496.exe	99
PID 4992 wrote to memory of 4440	4992	EZ0496.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EZ0496.exe

C:\Users\Admin\AppData\Local\Temp\EZ0496.exe
"C:\Users\Admin\AppData\Local\Temp\EZ0496.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Local\Temp\EZ0496.exe
  "C:\Users\Admin\AppData\Local\Temp\EZ0496.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\EZ0496.exe.log

Filesize
1KB

MD5
e50d61d6d5cec0d2c6b3fbf02b17af2d

SHA1
fcf43f96e7389c27ee201fb00b65db01ca2cee40

SHA256
a87cf2dbf70a59d3d347f9ca743b6ceb3c805b4714cf4fb963c18b9ca8ffd0a9

SHA512
0348b60095cd48d275a5234fe34c1fd7a7c9921e1d92dafea0379d607f898eb1c2e089dafa1db608fad65497fc8f90fa699109b06a5f2c12c0bc8c9192ff9924

Download Submit
memory/4440-16-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-15-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/4440-22-0x0000000006060000-0x000000000606A000-memory.dmp

Filesize
40KB

Download
memory/4440-14-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-21-0x0000000005EB0000-0x0000000005F00000-memory.dmp

Filesize
320KB

Download
memory/4440-20-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-19-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4440-18-0x0000000005CC0000-0x0000000005D26000-memory.dmp

Filesize
408KB

Download
memory/4440-17-0x0000000005030000-0x0000000005048000-memory.dmp

Filesize
96KB

Download
memory/4440-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4992-7-0x0000000005830000-0x00000000058CC000-memory.dmp

Filesize
624KB

Download
memory/4992-5-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/4992-4-0x0000000005590000-0x0000000005622000-memory.dmp

Filesize
584KB

Download
memory/4992-3-0x00000000052C0000-0x00000000052CE000-memory.dmp

Filesize
56KB

Download
memory/4992-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/4992-9-0x0000000005A10000-0x0000000005A4C000-memory.dmp

Filesize
240KB

Download
memory/4992-8-0x0000000005CC0000-0x0000000005D7C000-memory.dmp

Filesize
752KB

Download
memory/4992-2-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4992-6-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4992-13-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4992-1-0x00000000008C0000-0x000000000098A000-memory.dmp

Filesize
808KB

Download