agenttesla | 1bb76901f992100d6b323a70b3324f4850aea1d069c3d956f344de94d93ebc33

Analysis

max time kernel
122s
max time network
135s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 13:02

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General

Target

c0051bd7623a9481f06602a24816cc0a.exe
Size

784KB
MD5

c0051bd7623a9481f06602a24816cc0a
SHA1

709accc828d0b6db761f3f8c1bc4aeee1b824543
SHA256

88762c51cbc4467dc5e5ba304d24eef77ecb63011af117529dde2a807ca0d2d1
SHA512

7224046b31cda451f85247d6cd132900bc8aac19ea62a34df7c8efbcba750df526bea795e958f9784d53f19697970282454c7871dfd95869ff1d7eceb8f5a5e8
SSDEEP

24576:ZR4qXdVc64NIs20uWc07yHdZGHAT8wNfKyC3Y:X4qXYTNIbkr7+biZ3

Score

10^/10

agenttesla zgrat collection keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtpout.secureserver.net
Port:
587
Username:
[email protected]
Password:
eliandgrey12
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
behavioral11/memory/1220-7-0x0000000005570000-0x00000000055DA000-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-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0051bd7623a9481f06602a24816cc0a.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0051bd7623a9481f06602a24816cc0a.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0051bd7623a9481f06602a24816cc0a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\. = "C:\\Users\\Admin\\AppData\\Roaming\\.\\..exe"	c0051bd7623a9481f06602a24816cc0a.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1220 set thread context of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34

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

pid	Process
2752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2596	powershell.exe
2604	c0051bd7623a9481f06602a24816cc0a.exe
2604	c0051bd7623a9481f06602a24816cc0a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	c0051bd7623a9481f06602a24816cc0a.exe
Token: SeDebugPrivilege	2596	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 2596	1220	c0051bd7623a9481f06602a24816cc0a.exe	30
PID 1220 wrote to memory of 2596	1220	c0051bd7623a9481f06602a24816cc0a.exe	30
PID 1220 wrote to memory of 2596	1220	c0051bd7623a9481f06602a24816cc0a.exe	30
PID 1220 wrote to memory of 2596	1220	c0051bd7623a9481f06602a24816cc0a.exe	30
PID 1220 wrote to memory of 2752	1220	c0051bd7623a9481f06602a24816cc0a.exe	32
PID 1220 wrote to memory of 2752	1220	c0051bd7623a9481f06602a24816cc0a.exe	32
PID 1220 wrote to memory of 2752	1220	c0051bd7623a9481f06602a24816cc0a.exe	32
PID 1220 wrote to memory of 2752	1220	c0051bd7623a9481f06602a24816cc0a.exe	32
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34
PID 1220 wrote to memory of 2604	1220	c0051bd7623a9481f06602a24816cc0a.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0051bd7623a9481f06602a24816cc0a.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c0051bd7623a9481f06602a24816cc0a.exe

C:\Users\Admin\AppData\Local\Temp\c0051bd7623a9481f06602a24816cc0a.exe
"C:\Users\Admin\AppData\Local\Temp\c0051bd7623a9481f06602a24816cc0a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OFNZSq.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OFNZSq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB76.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2752
- C:\Users\Admin\AppData\Local\Temp\c0051bd7623a9481f06602a24816cc0a.exe
  "C:\Users\Admin\AppData\Local\Temp\c0051bd7623a9481f06602a24816cc0a.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB76.tmp

Filesize
1KB

MD5
8e109232ddb18b487f25a6aef9f92c7c

SHA1
f178c7bc1d9dd3a19c5da1839793d199016f73cc

SHA256
f805f66c77547be2ca80403f7023b4ee3f7bec0d5d5fc6aec6a26669ccbd562c

SHA512
d48846a6230f1415ec7f7d040da141c7add6052b90d5a592e49aa1f4537def30b1ead813935932611ccc66ec1ea46c1d62a8e9b53c4b8f61d4676c3547309be3

Download Submit
memory/1220-4-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1220-1-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1220-3-0x0000000000690000-0x000000000069C000-memory.dmp

Filesize
48KB

Download
memory/1220-30-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1220-5-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/1220-6-0x0000000000520000-0x000000000052C000-memory.dmp

Filesize
48KB

Download
memory/1220-2-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/1220-0-0x0000000000D50000-0x0000000000E16000-memory.dmp

Filesize
792KB

Download
memory/1220-7-0x0000000005570000-0x00000000055DA000-memory.dmp

Filesize
424KB

Download
memory/1220-15-0x0000000004CA0000-0x0000000004CD2000-memory.dmp

Filesize
200KB

Download
memory/2596-38-0x000000006DB30000-0x000000006E0DB000-memory.dmp

Filesize
5.7MB

Download
memory/2596-36-0x00000000027C0000-0x0000000002800000-memory.dmp

Filesize
256KB

Download
memory/2596-33-0x000000006DB30000-0x000000006E0DB000-memory.dmp

Filesize
5.7MB

Download
memory/2596-37-0x00000000027C0000-0x0000000002800000-memory.dmp

Filesize
256KB

Download
memory/2596-32-0x000000006DB30000-0x000000006E0DB000-memory.dmp

Filesize
5.7MB

Download
memory/2604-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-28-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2604-31-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2604-26-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2604-22-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2604-34-0x00000000724A0000-0x0000000072B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-35-0x00000000022C0000-0x0000000002300000-memory.dmp

Filesize
256KB

Download
memory/2604-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2604-18-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2604-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2604-40-0x00000000724A0000-0x0000000072B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-41-0x00000000022C0000-0x0000000002300000-memory.dmp

Filesize
256KB

Download