agenttesla | 9e19816e28ea81520a46e89d85f46e573f4feed5eb0eef8537c36b1120bed32f

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2023 15:11

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General

Target

doc4567898762345678678889_pdf.exe
Size

714KB
MD5

c3d53387aaa39ee5e0897965033a65d6
SHA1

30e662033ffc767276cf977070a82147ef38b44b
SHA256

9e19816e28ea81520a46e89d85f46e573f4feed5eb0eef8537c36b1120bed32f
SHA512

8418bb95fcddd6dbee91aa0b1af3ca4a64b7f928d0f08428f17d5235167b98e83274a6a13b44ce79eccf7383dccb50023d9df517d7294e05e1402ec84c6aac80
SSDEEP

12288:mzEP/SJaF/J9x11ht3++d4z7pyjaUV2iA+OPjZTBobiHE8ZWZ:F/4qzvx+ZyaM29sbiHkZ

Score

10^/10

agenttesla zgrat collection keylogger rat spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.nzcivilandconstruction.co.nz
Port:
587
Username:
[email protected]
Password:
%%B9U[D}7Tm6

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.nzcivilandconstruction.co.nz
Port:
587
Username:
[email protected]
Password:
%%B9U[D}7Tm6
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

Processes:

resource	yara_rule
behavioral2/memory/4100-11-0x0000000008230000-0x000000000829C000-memory.dmp	family_zgrat_v1

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

doc4567898762345678678889_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Control Panel\International\Geo\Nation	doc4567898762345678678889_pdf.exe

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

Processes:

doc4567898762345678678889_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc4567898762345678678889_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc4567898762345678678889_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc4567898762345678678889_pdf.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

3932 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exedoc4567898762345678678889_pdf.exe

pid process

3724 powershell.exe
3724 powershell.exe
4100 doc4567898762345678678889_pdf.exe
4100 doc4567898762345678678889_pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

doc4567898762345678678889_pdf.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4100 doc4567898762345678678889_pdf.exe
Token: SeDebugPrivilege 3724 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

doc4567898762345678678889_pdf.exe

pid process

4100 doc4567898762345678678889_pdf.exe

pid	process
3932	schtasks.exe

pid	process
3724	powershell.exe
3724	powershell.exe
4100	doc4567898762345678678889_pdf.exe
4100	doc4567898762345678678889_pdf.exe

description	pid	process
Token: SeDebugPrivilege	4100	doc4567898762345678678889_pdf.exe
Token: SeDebugPrivilege	3724	powershell.exe

pid	process
4100	doc4567898762345678678889_pdf.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

doc4567898762345678678889_pdf.exe

description	pid	process	target process
PID 4100 wrote to memory of 3724	4100	doc4567898762345678678889_pdf.exe	powershell.exe
PID 4100 wrote to memory of 3724	4100	doc4567898762345678678889_pdf.exe	powershell.exe
PID 4100 wrote to memory of 3724	4100	doc4567898762345678678889_pdf.exe	powershell.exe
PID 4100 wrote to memory of 3932	4100	doc4567898762345678678889_pdf.exe	schtasks.exe
PID 4100 wrote to memory of 3932	4100	doc4567898762345678678889_pdf.exe	schtasks.exe
PID 4100 wrote to memory of 3932	4100	doc4567898762345678678889_pdf.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

doc4567898762345678678889_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc4567898762345678678889_pdf.exe

outlook_win_path 1 IoCs

Processes:

doc4567898762345678678889_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc4567898762345678678889_pdf.exe

C:\Users\Admin\AppData\Local\Temp\doc4567898762345678678889_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\doc4567898762345678678889_pdf.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4100

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jSnOuboG.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3724

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jSnOuboG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1577.tmp"
2⤵
- Creates scheduled task(s)
PID:3932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

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\Temp\__PSScriptPolicyTest_fqpswjpq.svv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1577.tmp

Filesize
1KB

MD5
062c9cdef78803c4e85640b5c727b36d

SHA1
6caea469ecedad9a33788664ef0be60ca7a49436

SHA256
2773a827b6229e641ea7af30800766169e25b3a2683e12392a0267251ba1ff64

SHA512
c6a17202824b1cf24e12426578e88357a3ef1b0db1fc1a4c7a6a8ee83ec04e6f621a3b3627dc837bb864edad2f4e94e47c71354f560c848af4f58825c0107a03

Download Submit
memory/3724-55-0x0000000006D80000-0x0000000006D9A000-memory.dmp

Filesize
104KB

Download
memory/3724-54-0x00000000073C0000-0x0000000007A3A000-memory.dmp

Filesize
6.5MB

Download
memory/3724-76-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3724-27-0x0000000004BC0000-0x0000000004C26000-memory.dmp

Filesize
408KB

Download
memory/3724-26-0x0000000004AA0000-0x0000000004AC2000-memory.dmp

Filesize
136KB

Download
memory/3724-72-0x00000000070C0000-0x00000000070DA000-memory.dmp

Filesize
104KB

Download
memory/3724-71-0x0000000006FC0000-0x0000000006FD4000-memory.dmp

Filesize
80KB

Download
memory/3724-70-0x0000000006FB0000-0x0000000006FBE000-memory.dmp

Filesize
56KB

Download
memory/3724-58-0x0000000006F80000-0x0000000006F91000-memory.dmp

Filesize
68KB

Download
memory/3724-57-0x0000000007000000-0x0000000007096000-memory.dmp

Filesize
600KB

Download
memory/3724-56-0x0000000006DF0000-0x0000000006DFA000-memory.dmp

Filesize
40KB

Download
memory/3724-17-0x0000000000CE0000-0x0000000000D16000-memory.dmp

Filesize
216KB

Download
memory/3724-18-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/3724-39-0x00000000047C0000-0x00000000047D0000-memory.dmp

Filesize
64KB

Download
memory/3724-21-0x00000000047C0000-0x00000000047D0000-memory.dmp

Filesize
64KB

Download
memory/3724-53-0x0000000006C50000-0x0000000006CF3000-memory.dmp

Filesize
652KB

Download
memory/3724-23-0x0000000004E00000-0x0000000005428000-memory.dmp

Filesize
6.2MB

Download
memory/3724-52-0x0000000006030000-0x000000000604E000-memory.dmp

Filesize
120KB

Download
memory/3724-42-0x000000006FAE0000-0x000000006FB2C000-memory.dmp

Filesize
304KB

Download
memory/3724-40-0x000000007F570000-0x000000007F580000-memory.dmp

Filesize
64KB

Download
memory/3724-73-0x00000000070A0000-0x00000000070A8000-memory.dmp

Filesize
32KB

Download
memory/3724-41-0x0000000006050000-0x0000000006082000-memory.dmp

Filesize
200KB

Download
memory/3724-19-0x00000000047C0000-0x00000000047D0000-memory.dmp

Filesize
64KB

Download
memory/3724-37-0x0000000005A70000-0x0000000005A8E000-memory.dmp

Filesize
120KB

Download
memory/3724-38-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

Filesize
304KB

Download
memory/4100-5-0x00000000055B0000-0x00000000055C0000-memory.dmp

Filesize
64KB

Download
memory/4100-3-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/4100-25-0x000000000B2E0000-0x000000000B346000-memory.dmp

Filesize
408KB

Download
memory/4100-24-0x000000000ABA0000-0x000000000ABD0000-memory.dmp

Filesize
192KB

Download
memory/4100-22-0x000000000AB60000-0x000000000AB94000-memory.dmp

Filesize
208KB

Download
memory/4100-1-0x0000000000960000-0x0000000000A18000-memory.dmp

Filesize
736KB

Download
memory/4100-0-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4100-2-0x00000000059B0000-0x0000000005F54000-memory.dmp

Filesize
5.6MB

Download
memory/4100-12-0x0000000008350000-0x00000000083EC000-memory.dmp

Filesize
624KB

Download
memory/4100-11-0x0000000008230000-0x000000000829C000-memory.dmp

Filesize
432KB

Download
memory/4100-10-0x0000000006C60000-0x0000000006C6C000-memory.dmp

Filesize
48KB

Download
memory/4100-59-0x00000000084F0000-0x0000000008540000-memory.dmp

Filesize
320KB

Download
memory/4100-60-0x0000000008710000-0x00000000088D2000-memory.dmp

Filesize
1.8MB

Download
memory/4100-9-0x00000000055B0000-0x00000000055C0000-memory.dmp

Filesize
64KB

Download
memory/4100-8-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/4100-7-0x00000000080A0000-0x00000000080B0000-memory.dmp

Filesize
64KB

Download
memory/4100-6-0x0000000005950000-0x000000000595A000-memory.dmp

Filesize
40KB

Download
memory/4100-4-0x00000000055C0000-0x0000000005914000-memory.dmp

Filesize
3.3MB

Download