agenttesla | 26a294c50930c0cd9fbed08dd7fb63ea59bd2300eed46c452de0b4c5f7b95309

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2023, 06:42

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General

Target

unvp.exe
Size

628KB
MD5

60e0cb2dda65e61f07b78667b34ecbd2
SHA1

4f974ad07111c0cf5082cb1fa039ed7718f4d6b0
SHA256

26a294c50930c0cd9fbed08dd7fb63ea59bd2300eed46c452de0b4c5f7b95309
SHA512

765704d47c86fbb46b184b39cf7aefcd69123f5284c416276e3d93dc9fe0f9ca7d868c8e88261122a93d8915a2cb7d403479fcd087f5cf28ccc15ed15c3a5c0b
SSDEEP

12288:lJ0yXuN/VvbwTDgbLOtG7YaehgZHLWl5EHCNumB0s:z0EAdvEgelaeSHRy

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
kV$bSqJ1 daniel
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-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	unvp.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	unvp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	unvp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	unvp.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-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	unvp.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
48	api.ipify.org
49	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 4976	2832	unvp.exe	102

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
4160	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2832	unvp.exe
2832	unvp.exe
4988	powershell.exe
4988	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	unvp.exe
Token: SeDebugPrivilege	4988	powershell.exe
Token: SeDebugPrivilege	4976	unvp.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 4988	2832	unvp.exe	98
PID 2832 wrote to memory of 4988	2832	unvp.exe	98
PID 2832 wrote to memory of 4988	2832	unvp.exe	98
PID 2832 wrote to memory of 4160	2832	unvp.exe	100
PID 2832 wrote to memory of 4160	2832	unvp.exe	100
PID 2832 wrote to memory of 4160	2832	unvp.exe	100
PID 2832 wrote to memory of 4976	2832	unvp.exe	102
PID 2832 wrote to memory of 4976	2832	unvp.exe	102
PID 2832 wrote to memory of 4976	2832	unvp.exe	102
PID 2832 wrote to memory of 4976	2832	unvp.exe	102
PID 2832 wrote to memory of 4976	2832	unvp.exe	102
PID 2832 wrote to memory of 4976	2832	unvp.exe	102
PID 2832 wrote to memory of 4976	2832	unvp.exe	102
PID 2832 wrote to memory of 4976	2832	unvp.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	unvp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	unvp.exe

C:\Users\Admin\AppData\Local\Temp\unvp.exe
"C:\Users\Admin\AppData\Local\Temp\unvp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vgOtIQtcOdo.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4988
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vgOtIQtcOdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp20A2.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4160
- C:\Users\Admin\AppData\Local\Temp\unvp.exe
  "C:\Users\Admin\AppData\Local\Temp\unvp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4976

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

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\Microsoft\CLR_v4.0_32\UsageLogs\unvp.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z5trwudw.pmo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp20A2.tmp

Filesize
1KB

MD5
aa856ca95fedbf118f51f3e453d7b01e

SHA1
f3c620974154878edf65a403ce4c987476b361b5

SHA256
3adc9491c7324750743ebcbebe85015b36ff2a297cb655c0df2a751974930b9b

SHA512
6b27cbbb6f9e5a34ba66ac8177d3c3af16280ed7240da41bb5bb34ea3c6e431b21fbd99cca3e1c27655d0b87e1de70e6a4687e2e5982945746c1de8a3e60ac42

Download Submit
memory/2832-8-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/2832-10-0x0000000006E70000-0x0000000006E7A000-memory.dmp

Filesize
40KB

Download
memory/2832-5-0x0000000005880000-0x000000000588A000-memory.dmp

Filesize
40KB

Download
memory/2832-6-0x0000000005B00000-0x0000000005B9C000-memory.dmp

Filesize
624KB

Download
memory/2832-7-0x0000000005E00000-0x0000000005E18000-memory.dmp

Filesize
96KB

Download
memory/2832-25-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/2832-9-0x00000000057D0000-0x00000000057E0000-memory.dmp

Filesize
64KB

Download
memory/2832-4-0x00000000057D0000-0x00000000057E0000-memory.dmp

Filesize
64KB

Download
memory/2832-11-0x0000000006E80000-0x0000000006E8C000-memory.dmp

Filesize
48KB

Download
memory/2832-12-0x0000000008380000-0x00000000083EA000-memory.dmp

Filesize
424KB

Download
memory/2832-3-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/2832-2-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/2832-0-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/2832-1-0x0000000000DC0000-0x0000000000E62000-memory.dmp

Filesize
648KB

Download
memory/4976-40-0x0000000005000000-0x0000000005066000-memory.dmp

Filesize
408KB

Download
memory/4976-35-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/4976-22-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4976-78-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/4976-76-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/4976-27-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/4976-65-0x0000000007010000-0x00000000071D2000-memory.dmp

Filesize
1.8MB

Download
memory/4976-64-0x0000000006DF0000-0x0000000006E40000-memory.dmp

Filesize
320KB

Download
memory/4988-59-0x0000000006E90000-0x0000000006EAE000-memory.dmp

Filesize
120KB

Download
memory/4988-63-0x0000000007C80000-0x0000000007C8A000-memory.dmp

Filesize
40KB

Download
memory/4988-17-0x0000000005300000-0x0000000005336000-memory.dmp

Filesize
216KB

Download
memory/4988-41-0x0000000006460000-0x00000000067B4000-memory.dmp

Filesize
3.3MB

Download
memory/4988-42-0x00000000068C0000-0x00000000068DE000-memory.dmp

Filesize
120KB

Download
memory/4988-43-0x0000000006E20000-0x0000000006E6C000-memory.dmp

Filesize
304KB

Download
memory/4988-44-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/4988-46-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/4988-47-0x000000007FD20000-0x000000007FD30000-memory.dmp

Filesize
64KB

Download
memory/4988-48-0x0000000007870000-0x00000000078A2000-memory.dmp

Filesize
200KB

Download
memory/4988-49-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

Filesize
304KB

Download
memory/4988-21-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/4988-60-0x0000000007AB0000-0x0000000007B53000-memory.dmp

Filesize
652KB

Download
memory/4988-61-0x0000000008250000-0x00000000088CA000-memory.dmp

Filesize
6.5MB

Download
memory/4988-62-0x0000000007C10000-0x0000000007C2A000-memory.dmp

Filesize
104KB

Download
memory/4988-19-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/4988-34-0x0000000006200000-0x0000000006266000-memory.dmp

Filesize
408KB

Download
memory/4988-28-0x0000000005920000-0x0000000005942000-memory.dmp

Filesize
136KB

Download
memory/4988-66-0x0000000007E90000-0x0000000007F26000-memory.dmp

Filesize
600KB

Download
memory/4988-67-0x0000000007E10000-0x0000000007E21000-memory.dmp

Filesize
68KB

Download
memory/4988-68-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/4988-69-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/4988-70-0x0000000007E40000-0x0000000007E4E000-memory.dmp

Filesize
56KB

Download
memory/4988-71-0x0000000007E50000-0x0000000007E64000-memory.dmp

Filesize
80KB

Download
memory/4988-72-0x0000000007F50000-0x0000000007F6A000-memory.dmp

Filesize
104KB

Download
memory/4988-73-0x0000000007F30000-0x0000000007F38000-memory.dmp

Filesize
32KB

Download
memory/4988-20-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/4988-77-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/4988-26-0x0000000005AE0000-0x0000000006108000-memory.dmp

Filesize
6.2MB

Download