agenttesla | 47fefa7feb2150cff79c1146a567ff03117df777ea973faf5f9a14c89412ca2f

Analysis

max time kernel
141s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 14:21

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General

Target

Vessel_Doc_OCN2613132.exe
Size

836KB
MD5

9deac3b107399c40c2cae221953baebf
SHA1

e1c5c291a1a25f6895d206f6b5cce1db999b3f87
SHA256

9ca515b794477e792d95386fb74f8efe7fba769a2a082c5ebb3cc2b7d2460a95
SHA512

343eaead74d70f7096a60ae1c9d25374ef456ae3b271b7f7024b09057b060ed26f0a042be99ba0c0c0225505c9995360bd9a48cdf29176abd3baffa48073d1f0
SSDEEP

24576:CqZKKrVbCx3YN3QzB+aci/9Rvg9uMiv+7Har:sKlCygX1d4e

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.zqamcx.com
Port:
587
Username:
[email protected]
Password:
Anambraeast@

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.zqamcx.com
Port:
587
Username:
[email protected]
Password:
Anambraeast@
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2472	powershell.exe
2736	powershell.exe

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Vessel_Doc_OCN2613132.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 3 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

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
28	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 4968	1488	Vessel_Doc_OCN2613132.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vessel_Doc_OCN2613132.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vessel_Doc_OCN2613132.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1436	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2472	powershell.exe
2736	powershell.exe
4968	Vessel_Doc_OCN2613132.exe
4968	Vessel_Doc_OCN2613132.exe
2736	powershell.exe
2472	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	2472	powershell.exe
Token: SeDebugPrivilege	4968	Vessel_Doc_OCN2613132.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4968	Vessel_Doc_OCN2613132.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2736	1488	Vessel_Doc_OCN2613132.exe	90
PID 1488 wrote to memory of 2736	1488	Vessel_Doc_OCN2613132.exe	90
PID 1488 wrote to memory of 2736	1488	Vessel_Doc_OCN2613132.exe	90
PID 1488 wrote to memory of 2472	1488	Vessel_Doc_OCN2613132.exe	92
PID 1488 wrote to memory of 2472	1488	Vessel_Doc_OCN2613132.exe	92
PID 1488 wrote to memory of 2472	1488	Vessel_Doc_OCN2613132.exe	92
PID 1488 wrote to memory of 1436	1488	Vessel_Doc_OCN2613132.exe	93
PID 1488 wrote to memory of 1436	1488	Vessel_Doc_OCN2613132.exe	93
PID 1488 wrote to memory of 1436	1488	Vessel_Doc_OCN2613132.exe	93
PID 1488 wrote to memory of 4968	1488	Vessel_Doc_OCN2613132.exe	96
PID 1488 wrote to memory of 4968	1488	Vessel_Doc_OCN2613132.exe	96
PID 1488 wrote to memory of 4968	1488	Vessel_Doc_OCN2613132.exe	96
PID 1488 wrote to memory of 4968	1488	Vessel_Doc_OCN2613132.exe	96
PID 1488 wrote to memory of 4968	1488	Vessel_Doc_OCN2613132.exe	96
PID 1488 wrote to memory of 4968	1488	Vessel_Doc_OCN2613132.exe	96
PID 1488 wrote to memory of 4968	1488	Vessel_Doc_OCN2613132.exe	96
PID 1488 wrote to memory of 4968	1488	Vessel_Doc_OCN2613132.exe	96

C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JJYwGBPRBbedw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2472
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JJYwGBPRBbedw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp212F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1436
- C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
e1f9dc1b2422e82e112d97bac8babdb6

SHA1
8d041fae843deab9372b3f736507782cb9830f53

SHA256
f4a2ac918515846cb2fe66de69dfe9356125acc5afa8bc28926deb40b455a6e5

SHA512
f22de2296a8a25a29b5692fc323759380e835d45d1ffef4b5aff72ba8896923ab4b658166e3c1507a97532fe5090e63957d3289b0d28388f0df682058c7c6028

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ooujdl52.xvc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp212F.tmp

Filesize
1KB

MD5
a4ce55020fceaf393c06b5bb31d22f53

SHA1
569c0c8485ff2158361047d65a68e04b7abd6a58

SHA256
733733c5bc3ad53fa43553bad1b4e73ef669ab50c86daa364ae7ecad963eb9b0

SHA512
5b99ce28710345d19f323077769e5a754543ac2fab02d44614b887e4668a6f557c17bfbf2458a511bddf4993b3b8009ee6399cbd451518526f4da3f29f343b4f

Download Submit
memory/1488-6-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1488-3-0x0000000004DA0000-0x0000000004E32000-memory.dmp

Filesize
584KB

Download
memory/1488-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/1488-7-0x0000000004FE0000-0x0000000004FF2000-memory.dmp

Filesize
72KB

Download
memory/1488-8-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/1488-9-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1488-10-0x00000000066F0000-0x0000000006784000-memory.dmp

Filesize
592KB

Download
memory/1488-47-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/1488-4-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/1488-5-0x0000000004FF0000-0x000000000508C000-memory.dmp

Filesize
624KB

Download
memory/1488-1-0x0000000000430000-0x0000000000504000-memory.dmp

Filesize
848KB

Download
memory/1488-2-0x0000000005350000-0x00000000058F4000-memory.dmp

Filesize
5.6MB

Download
memory/2472-19-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2472-80-0x00000000074B0000-0x00000000074C4000-memory.dmp

Filesize
80KB

Download
memory/2472-30-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2472-78-0x0000000007470000-0x0000000007481000-memory.dmp

Filesize
68KB

Download
memory/2472-64-0x0000000071210000-0x000000007125C000-memory.dmp

Filesize
304KB

Download
memory/2472-82-0x0000000007590000-0x0000000007598000-memory.dmp

Filesize
32KB

Download
memory/2472-88-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2472-48-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2736-46-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2736-75-0x00000000077D0000-0x00000000077EA000-memory.dmp

Filesize
104KB

Download
memory/2736-23-0x0000000005E80000-0x0000000005EE6000-memory.dmp

Filesize
408KB

Download
memory/2736-49-0x00000000064B0000-0x00000000064CE000-memory.dmp

Filesize
120KB

Download
memory/2736-50-0x0000000006710000-0x000000000675C000-memory.dmp

Filesize
304KB

Download
memory/2736-52-0x0000000071210000-0x000000007125C000-memory.dmp

Filesize
304KB

Download
memory/2736-51-0x0000000006A80000-0x0000000006AB2000-memory.dmp

Filesize
200KB

Download
memory/2736-63-0x00000000076A0000-0x0000000007743000-memory.dmp

Filesize
652KB

Download
memory/2736-62-0x0000000006AC0000-0x0000000006ADE000-memory.dmp

Filesize
120KB

Download
memory/2736-31-0x0000000005EF0000-0x0000000006244000-memory.dmp

Filesize
3.3MB

Download
memory/2736-74-0x0000000007E20000-0x000000000849A000-memory.dmp

Filesize
6.5MB

Download
memory/2736-21-0x00000000055E0000-0x0000000005602000-memory.dmp

Filesize
136KB

Download
memory/2736-76-0x0000000007840000-0x000000000784A000-memory.dmp

Filesize
40KB

Download
memory/2736-77-0x0000000007A50000-0x0000000007AE6000-memory.dmp

Filesize
600KB

Download
memory/2736-16-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2736-79-0x0000000007A00000-0x0000000007A0E000-memory.dmp

Filesize
56KB

Download
memory/2736-22-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/2736-81-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/2736-18-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2736-17-0x0000000005670000-0x0000000005C98000-memory.dmp

Filesize
6.2MB

Download
memory/2736-15-0x0000000002B90000-0x0000000002BC6000-memory.dmp

Filesize
216KB

Download
memory/2736-89-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/4968-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4968-90-0x0000000006FF0000-0x0000000007040000-memory.dmp

Filesize
320KB

Download