agenttesla | 1bb76901f992100d6b323a70b3324f4850aea1d069c3d956f344de94d93ebc33

Analysis

max time kernel
135s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2023, 13:02

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General

Target

c8276b980d364eb06310790c45756831.exe
Size

827KB
MD5

c8276b980d364eb06310790c45756831
SHA1

351906d842e5f110b97fab216095b5474962e306
SHA256

cec5cc9dfa8e64cd0bacc6aa6f7767729dec65d6a8d53184b887dc89a6a76884
SHA512

2f1654f1d51083b9d212d86e13ff58b1414c513b78162a8fa392196d8ee065273872cdd72f6039b0fe0d5cac0c8ec3bacc4f5598e479a3f4475cbcd44fa33d85
SSDEEP

12288:LHrkBF0haDnLMzIL2q+RTdOL8OOQ7BJaBdRRzxIPUmEsVXD7QU4xTknvPKmkBX/S:LABFKOyqGUL8mPcNxIPUC7uxTk336Xa

Score

10^/10

agenttesla zgrat collection keylogger rat spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.grad-vodice.hr
Port:
587
Username:
[email protected]
Password:
pKs9zy8Nn1

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.grad-vodice.hr
Port:
587
Username:
[email protected]
Password:
pKs9zy8Nn1
Email To:
[email protected]

Signatures

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

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral24/memory/2912-10-0x0000000007580000-0x00000000075EC000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8276b980d364eb06310790c45756831.exe
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8276b980d364eb06310790c45756831.exe
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8276b980d364eb06310790c45756831.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
79	api.ipify.org
78	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2912 set thread context of 1836	2912	c8276b980d364eb06310790c45756831.exe	99

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1836	c8276b980d364eb06310790c45756831.exe
1836	c8276b980d364eb06310790c45756831.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1836	c8276b980d364eb06310790c45756831.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1836	c8276b980d364eb06310790c45756831.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 1836	2912	c8276b980d364eb06310790c45756831.exe	99
PID 2912 wrote to memory of 1836	2912	c8276b980d364eb06310790c45756831.exe	99
PID 2912 wrote to memory of 1836	2912	c8276b980d364eb06310790c45756831.exe	99
PID 2912 wrote to memory of 1836	2912	c8276b980d364eb06310790c45756831.exe	99
PID 2912 wrote to memory of 1836	2912	c8276b980d364eb06310790c45756831.exe	99
PID 2912 wrote to memory of 1836	2912	c8276b980d364eb06310790c45756831.exe	99
PID 2912 wrote to memory of 1836	2912	c8276b980d364eb06310790c45756831.exe	99
PID 2912 wrote to memory of 1836	2912	c8276b980d364eb06310790c45756831.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8276b980d364eb06310790c45756831.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8276b980d364eb06310790c45756831.exe

C:\Users\Admin\AppData\Local\Temp\c8276b980d364eb06310790c45756831.exe
"C:\Users\Admin\AppData\Local\Temp\c8276b980d364eb06310790c45756831.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\c8276b980d364eb06310790c45756831.exe
  "C:\Users\Admin\AppData\Local\Temp\c8276b980d364eb06310790c45756831.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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\c8276b980d364eb06310790c45756831.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1836-13-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1836-23-0x0000000007760000-0x0000000007922000-memory.dmp

Filesize
1.8MB

Download
memory/1836-22-0x0000000007540000-0x0000000007590000-memory.dmp

Filesize
320KB

Download
memory/1836-21-0x0000000005A20000-0x0000000005A30000-memory.dmp

Filesize
64KB

Download
memory/1836-20-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1836-19-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/1836-17-0x0000000005A20000-0x0000000005A30000-memory.dmp

Filesize
64KB

Download
memory/1836-16-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/2912-5-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

Filesize
40KB

Download
memory/2912-6-0x00000000050A0000-0x00000000050B4000-memory.dmp

Filesize
80KB

Download
memory/2912-11-0x0000000007690000-0x000000000772C000-memory.dmp

Filesize
624KB

Download
memory/2912-12-0x0000000007650000-0x0000000007684000-memory.dmp

Filesize
208KB

Download
memory/2912-9-0x00000000050B0000-0x00000000050BC000-memory.dmp

Filesize
48KB

Download
memory/2912-8-0x0000000004D40000-0x0000000004D50000-memory.dmp

Filesize
64KB

Download
memory/2912-7-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/2912-10-0x0000000007580000-0x00000000075EC000-memory.dmp

Filesize
432KB

Download
memory/2912-18-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/2912-0-0x0000000000020000-0x00000000000F6000-memory.dmp

Filesize
856KB

Download
memory/2912-4-0x0000000004D40000-0x0000000004D50000-memory.dmp

Filesize
64KB

Download
memory/2912-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp

Filesize
584KB

Download
memory/2912-2-0x00000000050C0000-0x0000000005664000-memory.dmp

Filesize
5.6MB

Download
memory/2912-1-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download