agenttesla | 401d2c3b755530770fc32b5cc9ccf0ad75972fd3857bfce53acf8fb85de78c0d

General

Target

RFQ.exe
Size

627KB
MD5

e95bbbb67b2672845689591e6d4ad02a
SHA1

10fafeaab4ca02d8386d046be001080cb1587fbb
SHA256

401d2c3b755530770fc32b5cc9ccf0ad75972fd3857bfce53acf8fb85de78c0d
SHA512

62ea7eecc584c243e8847817a724e7cea75b7757b3560e2ec028318998c98db9b49b7e39e3ace7e639ce9e6985c7fedf6aa3e740d5f74d1d8b2fb8a4ea4ae43d
SSDEEP

12288:nOppDjQeAAqllJ4S1eUTJItS7hmJaBTeMAgOVP:+sAM+S1xTCN8BTc5l

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.quartziax.com
Port:
587
Username:
[email protected]
Password:
bSshyjZ4
Email To:
[email protected]

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\International\Geo\Nation	RFQ.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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ.exe
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ.exe
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3864 set thread context of 4844	3864	RFQ.exe	90

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

T1053

pid	Process
4428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3864	RFQ.exe
3864	RFQ.exe
3612	powershell.exe
3612	powershell.exe
4844	RFQ.exe
4844	RFQ.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3864	RFQ.exe
Token: SeDebugPrivilege	3612	powershell.exe
Token: SeDebugPrivilege	4844	RFQ.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 3612	3864	RFQ.exe	86
PID 3864 wrote to memory of 3612	3864	RFQ.exe	86
PID 3864 wrote to memory of 3612	3864	RFQ.exe	86
PID 3864 wrote to memory of 4428	3864	RFQ.exe	88
PID 3864 wrote to memory of 4428	3864	RFQ.exe	88
PID 3864 wrote to memory of 4428	3864	RFQ.exe	88
PID 3864 wrote to memory of 4844	3864	RFQ.exe	90
PID 3864 wrote to memory of 4844	3864	RFQ.exe	90
PID 3864 wrote to memory of 4844	3864	RFQ.exe	90
PID 3864 wrote to memory of 4844	3864	RFQ.exe	90
PID 3864 wrote to memory of 4844	3864	RFQ.exe	90
PID 3864 wrote to memory of 4844	3864	RFQ.exe	90
PID 3864 wrote to memory of 4844	3864	RFQ.exe	90
PID 3864 wrote to memory of 4844	3864	RFQ.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ.exe

C:\Users\Admin\AppData\Local\Temp\RFQ.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dvKzmzBLpKBB.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3612
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dvKzmzBLpKBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp587B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4428
- C:\Users\Admin\AppData\Local\Temp\RFQ.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_agwtedam.kfi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp587B.tmp

Filesize
1KB

MD5
b43303c9978b8eb1527e4f69f1bdb54e

SHA1
de423c3350ceefc66230b084f5474c06ed843c2b

SHA256
a645ab20e184ba59eb0b5222ebeb7dcb6151140bcb72b471f55f72f17d2afd23

SHA512
1cf2cc1ab6c0b881f1e07433386bcc89eebf432fb0efe5b3f30572c916724e1cf74a4acb9af153d0c582848075cbeac3b5ff7a745f710653f645a033673e2987

Download Submit
memory/3612-163-0x0000000004850000-0x0000000004860000-memory.dmp

Filesize
64KB

Download
memory/3612-166-0x0000000004850000-0x0000000004860000-memory.dmp

Filesize
64KB

Download
memory/3612-197-0x00000000073C0000-0x00000000073C8000-memory.dmp

Filesize
32KB

Download
memory/3612-196-0x00000000073D0000-0x00000000073EA000-memory.dmp

Filesize
104KB

Download
memory/3612-144-0x00000000047B0000-0x00000000047E6000-memory.dmp

Filesize
216KB

Download
memory/3612-195-0x00000000072D0000-0x00000000072DE000-memory.dmp

Filesize
56KB

Download
memory/3612-194-0x0000000007310000-0x00000000073A6000-memory.dmp

Filesize
600KB

Download
memory/3612-193-0x000000007F3F0000-0x000000007F400000-memory.dmp

Filesize
64KB

Download
memory/3612-165-0x0000000005D80000-0x0000000005D9E000-memory.dmp

Filesize
120KB

Download
memory/3612-192-0x0000000007100000-0x000000000710A000-memory.dmp

Filesize
40KB

Download
memory/3612-151-0x0000000004CC0000-0x0000000004CE2000-memory.dmp

Filesize
136KB

Download
memory/3612-152-0x0000000005530000-0x0000000005596000-memory.dmp

Filesize
408KB

Download
memory/3612-181-0x0000000007090000-0x00000000070AA000-memory.dmp

Filesize
104KB

Download
memory/3612-180-0x00000000076D0000-0x0000000007D4A000-memory.dmp

Filesize
6.5MB

Download
memory/3612-178-0x0000000006330000-0x000000000634E000-memory.dmp

Filesize
120KB

Download
memory/3612-168-0x00000000707E0000-0x000000007082C000-memory.dmp

Filesize
304KB

Download
memory/3612-149-0x0000000004E90000-0x00000000054B8000-memory.dmp

Filesize
6.2MB

Download
memory/3612-164-0x0000000004850000-0x0000000004860000-memory.dmp

Filesize
64KB

Download
memory/3612-167-0x0000000006350000-0x0000000006382000-memory.dmp

Filesize
200KB

Download
memory/3864-138-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/3864-137-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/3864-133-0x0000000000BB0000-0x0000000000C54000-memory.dmp

Filesize
656KB

Download
memory/3864-134-0x0000000005AC0000-0x0000000006064000-memory.dmp

Filesize
5.6MB

Download
memory/3864-135-0x0000000005610000-0x00000000056A2000-memory.dmp

Filesize
584KB

Download
memory/3864-136-0x00000000056C0000-0x00000000056CA000-memory.dmp

Filesize
40KB

Download
memory/3864-139-0x00000000098C0000-0x000000000995C000-memory.dmp

Filesize
624KB

Download
memory/4844-179-0x0000000006300000-0x0000000006350000-memory.dmp

Filesize
320KB

Download
memory/4844-182-0x0000000006520000-0x00000000066E2000-memory.dmp

Filesize
1.8MB

Download
memory/4844-153-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/4844-146-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4844-150-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/4844-200-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads