agenttesla | 47fefa7feb2150cff79c1146a567ff03117df777ea973faf5f9a14c89412ca2f

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

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
1208	powershell.exe
2664	powershell.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
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 1056	3064	Vessel_Doc_OCN2613132.exe	36

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	Vessel_Doc_OCN2613132.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
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

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
2264	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1056	Vessel_Doc_OCN2613132.exe
1056	Vessel_Doc_OCN2613132.exe
1208	powershell.exe
2664	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	Vessel_Doc_OCN2613132.exe
Token: SeDebugPrivilege	1208	powershell.exe
Token: SeDebugPrivilege	2664	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1056	Vessel_Doc_OCN2613132.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2664	3064	Vessel_Doc_OCN2613132.exe	30
PID 3064 wrote to memory of 2664	3064	Vessel_Doc_OCN2613132.exe	30
PID 3064 wrote to memory of 2664	3064	Vessel_Doc_OCN2613132.exe	30
PID 3064 wrote to memory of 2664	3064	Vessel_Doc_OCN2613132.exe	30
PID 3064 wrote to memory of 1208	3064	Vessel_Doc_OCN2613132.exe	32
PID 3064 wrote to memory of 1208	3064	Vessel_Doc_OCN2613132.exe	32
PID 3064 wrote to memory of 1208	3064	Vessel_Doc_OCN2613132.exe	32
PID 3064 wrote to memory of 1208	3064	Vessel_Doc_OCN2613132.exe	32
PID 3064 wrote to memory of 2264	3064	Vessel_Doc_OCN2613132.exe	34
PID 3064 wrote to memory of 2264	3064	Vessel_Doc_OCN2613132.exe	34
PID 3064 wrote to memory of 2264	3064	Vessel_Doc_OCN2613132.exe	34
PID 3064 wrote to memory of 2264	3064	Vessel_Doc_OCN2613132.exe	34
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36
PID 3064 wrote to memory of 1056	3064	Vessel_Doc_OCN2613132.exe	36

C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- 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:2664
- 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:1208
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JJYwGBPRBbedw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE14A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2264
- 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:1056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE14A.tmp

Filesize
1KB

MD5
af7025277b054dd8deee41302bceb3a1

SHA1
0183c9962f3f31e860be186967dc1aac4d018f8c

SHA256
72a32a7f3a9911869f9a4c936c55e7dfe0356994b6e36f390a2d75579e2c7ec8

SHA512
74e5c7fbfc3ee20f00200426811d7cf4012398bb069d30fbd88595ccbfe3711defc5304758e1ed4500ae6e3943fd89bfb036aa55e7ba3cc6d641edb6522da2fd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\V5732PT6Q2YLESSYD3UL.temp

Filesize
7KB

MD5
24f0458ccf6818611918f72fbbd454ec

SHA1
f8e162b75884b39f3cafb5c95d9a3b9723aa1c84

SHA256
f059fe29c74733c05ff15337327152723caa6ce1346ede32494a7252045f1af4

SHA512
f6feda159be9309eab5c7deddd6f52a7275ac0aef3cdc941ef6c92e9a1bb6a1f39b8b7a9464b20b16d4e81b12bb29e21c950ea469e1db71b0f921930d41397e9

Download Submit
memory/1056-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1056-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1056-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1056-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1056-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1056-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1056-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1056-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3064-6-0x00000000053A0000-0x0000000005434000-memory.dmp

Filesize
592KB

Download
memory/3064-32-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/3064-1-0x00000000013D0000-0x00000000014A4000-memory.dmp

Filesize
848KB

Download
memory/3064-2-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-3-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/3064-5-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/3064-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads