agenttesla | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98 | Triage

Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
121s
max time network
149s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-07-2023 06:32

Sharing

Report Analysis Logs

General

Target

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
Size

788KB
MD5

ca6d30a939bf00eaf7a43f4934a0ab6f
SHA1

11fa35bc832f707f2dfd9474a1ca6fe129510a91
SHA256

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1
SHA512

c719cd814849fe4b1da5d3ae5f04c002b8f100a6923a880bd71a8c4e5ae4d02faac99f8ed33e02de8199858bf3b016463b8bfcc4b774fd37533e73ddbd35ad85
SSDEEP

12288:bOLg1O1q9I6/kldSCGDysmYN/1uXaj63uANpyqHsbwod+ik4g8y3SoD:bOE1OOPWsmYxutXusrEloD

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.qnm.sg
Port:
587
Username:
[email protected]
Password:
qandmshuqing1!

Signatures

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

AgentTesla payload 5 IoCs

Processes:

resource	yara_rule
behavioral11/memory/2724-67-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral11/memory/2724-68-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral11/memory/2724-71-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral11/memory/2724-74-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral11/memory/2724-76-0x0000000000400000-0x000000000044A000-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 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

Email Collection

Processes:

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

description	pid	process	target process
PID 2812 set thread context of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.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

2508 schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

pid	process
2724	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
2724	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

description pid process

Token: SeDebugPrivilege 2724 1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

description	pid	process	target process
PID 2812 wrote to memory of 2508	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	schtasks.exe
PID 2812 wrote to memory of 2508	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	schtasks.exe
PID 2812 wrote to memory of 2508	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	schtasks.exe
PID 2812 wrote to memory of 2508	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	schtasks.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
PID 2812 wrote to memory of 2724	2812	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

outlook_office_path 1 IoCs

Processes:

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

outlook_win_path 1 IoCs

Processes:

1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe

C:\Users\Admin\AppData\Local\Temp\1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
"C:\Users\Admin\AppData\Local\Temp\1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2812

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gOSdvw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F64.tmp"
2⤵
- Creates scheduled task(s)
PID:2508

C:\Users\Admin\AppData\Local\Temp\1ed6220c4999b159446756990086fc270642dcba035ed1ea45126e3dd081c0b1.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2724

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

System Information Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8F64.tmp
Filesize
1KB

MD5
1bcd6da4d0f679daddbfb42b6321465f

SHA1
bf4aa223f4821ac35433d50c513b80aa6aab03f8

SHA256
fa5d00bab46df2e386a8471f842dc1d716c495a6e72db8a319c615b1ffe4a053

SHA512
3bd016ad5329459e5ecdce0fe16b31b312f57ed6e2e476357598a5f3da6f223f5ae3d09ab7b658f84e7f1187aef1de18f915b574960c8a5369b855240945c4f0

Download Submit
memory/2724-76-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2724-74-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2724-67-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2724-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-79-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-78-0x0000000000480000-0x00000000004C0000-memory.dmp

Filesize
256KB

Download
memory/2724-63-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2724-65-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2724-77-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-80-0x0000000000480000-0x00000000004C0000-memory.dmp

Filesize
256KB

Download
memory/2724-71-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2724-68-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2812-73-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-56-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/2812-54-0x0000000000F40000-0x000000000100C000-memory.dmp

Filesize
816KB

Download
memory/2812-57-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-55-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-59-0x0000000000660000-0x00000000006B2000-memory.dmp

Filesize
328KB

Download
memory/2812-58-0x0000000004CE0000-0x0000000004D20000-memory.dmp

Filesize
256KB

Download