agenttesla | bfc092b384976e97153bae0e29359461bfd65fce5ad8188d6460de57bc680eaf

Resubmissions

02-08-2024 12:16

240802-pfv69s1drg 10

02-08-2024 12:15

02-08-2024 12:14

02-08-2024 12:06

01-08-2024 01:57

Analysis

max time kernel
120s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 12:06

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General

Target

1/0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Size

678KB
MD5

c229261d7e8c8524dd25f7bc58edddf8
SHA1

781d106f3aa60c392f039968ae45c53f78890871
SHA256

0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd
SHA512

be05a39499b86bfcb30725fd277502f026b29b205bb657d8303b55d9b8e0ae6d4bfb507153d77229871df32d4608a5b8b3bdb1e783f12db2541e48a73fd2891c
SSDEEP

12288:8S2iNbczDLej8zhAA3Crp4mIjYBTBIE5Vmmah9di01DRzqICQlzCDmXPIPe:8S1ZcXh9IuMZBIEHlg9s01D71lzCDmXS

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
Sages101*

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bonnyriggdentalsurgery.com.au
Port:
587
Username:
[email protected]
Password:
Sages101*
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

Processes:

powershell.exepowershell.exe

pid process

680 powershell.exe
956 powershell.exe

pid	process
680	powershell.exe
956	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

Processes:

0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\International\Geo\Nation	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.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 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVCcTv = "C:\\Users\\Admin\\AppData\\Roaming\\YVCcTv\\YVCcTv.exe"	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 api.ipify.org
17 api.ipify.org
18 ip-api.com

flow	ioc
16	api.ipify.org
17	api.ipify.org
18	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

description	pid	process	target process
PID 3100 set thread context of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

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

Processes:

schtasks.exe0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exepowershell.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

Processes:

schtasks.exe

pid process

4588 schtasks.exe

pid	process
4588	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exepowershell.exepowershell.exe0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

pid	process
3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
680	powershell.exe
956	powershell.exe
3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1900	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1900	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
956	powershell.exe
680	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exepowershell.exepowershell.exe0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

description	pid	process
Token: SeDebugPrivilege	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Token: SeDebugPrivilege	956	powershell.exe
Token: SeDebugPrivilege	680	powershell.exe
Token: SeDebugPrivilege	1900	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

description	pid	process	target process
PID 3100 wrote to memory of 680	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	powershell.exe
PID 3100 wrote to memory of 680	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	powershell.exe
PID 3100 wrote to memory of 680	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	powershell.exe
PID 3100 wrote to memory of 956	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	powershell.exe
PID 3100 wrote to memory of 956	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	powershell.exe
PID 3100 wrote to memory of 956	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	powershell.exe
PID 3100 wrote to memory of 4588	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	schtasks.exe
PID 3100 wrote to memory of 4588	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	schtasks.exe
PID 3100 wrote to memory of 4588	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	schtasks.exe
PID 3100 wrote to memory of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
PID 3100 wrote to memory of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
PID 3100 wrote to memory of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
PID 3100 wrote to memory of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
PID 3100 wrote to memory of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
PID 3100 wrote to memory of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
PID 3100 wrote to memory of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
PID 3100 wrote to memory of 1900	3100	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
"C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3100
- 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\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:680
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yZxVRz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:956
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yZxVRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BFF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4588
- C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
  "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1900

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

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
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
e076781c7351b4820662c57f8801d03d

SHA1
3bd290872c00c59e5dc1cac64c1042590f187bf3

SHA256
94fbbbb3ecf4ced6757633c14eea678b536dcfee8a6eb40634fea6eaddd51e3f

SHA512
4e16dd2b4ca866f88a5b02a9ac54dccf32817210429d4f546db023dba6fbbda3460196128745a2621b49460973b437f70e0da45d23b344baf3a7d2d8e4563046

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_35tjazsa.od2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1BFF.tmp

Filesize
1KB

MD5
e998c9ff5f5cdcb19a579a0e40a113f0

SHA1
4b475872351d4ad0a1ac0a02af24f338b00ddf90

SHA256
01e1df763d5115be9ef370fee3b61ce6c40d393c03edb644c1cb9abc710e6372

SHA512
b137e2dfbe3288c28e1fd308faa0ccc4ceef2b0c50df9fc46db7e423087a541aadbe34d401c166e538953a73a65c790bc376973ff4c1f1c7056ca3775403f797

Download Submit
memory/680-78-0x0000000007D10000-0x0000000007D21000-memory.dmp

Filesize
68KB

Download
memory/680-15-0x0000000002EB0000-0x0000000002EE6000-memory.dmp

Filesize
216KB

Download
memory/680-80-0x0000000007D50000-0x0000000007D64000-memory.dmp

Filesize
80KB

Download
memory/680-79-0x0000000007D40000-0x0000000007D4E000-memory.dmp

Filesize
56KB

Download
memory/680-20-0x0000000005A20000-0x0000000005A42000-memory.dmp

Filesize
136KB

Download
memory/680-64-0x0000000071410000-0x000000007145C000-memory.dmp

Filesize
304KB

Download
memory/680-82-0x0000000007E30000-0x0000000007E38000-memory.dmp

Filesize
32KB

Download
memory/680-81-0x0000000007E50000-0x0000000007E6A000-memory.dmp

Filesize
104KB

Download
memory/680-16-0x0000000005A90000-0x00000000060B8000-memory.dmp

Filesize
6.2MB

Download
memory/680-17-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/680-18-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/680-89-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/680-23-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/680-22-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/680-21-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/956-76-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

Filesize
40KB

Download
memory/956-74-0x00000000075A0000-0x0000000007C1A000-memory.dmp

Filesize
6.5MB

Download
memory/956-88-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/956-43-0x0000000005650000-0x00000000059A4000-memory.dmp

Filesize
3.3MB

Download
memory/956-44-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/956-77-0x00000000071E0000-0x0000000007276000-memory.dmp

Filesize
600KB

Download
memory/956-47-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/956-75-0x0000000006F60000-0x0000000006F7A000-memory.dmp

Filesize
104KB

Download
memory/956-49-0x0000000005C30000-0x0000000005C4E000-memory.dmp

Filesize
120KB

Download
memory/956-50-0x0000000005D00000-0x0000000005D4C000-memory.dmp

Filesize
304KB

Download
memory/956-62-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/956-29-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/956-63-0x0000000006E20000-0x0000000006EC3000-memory.dmp

Filesize
652KB

Download
memory/956-52-0x0000000071410000-0x000000007145C000-memory.dmp

Filesize
304KB

Download
memory/956-51-0x0000000006BD0000-0x0000000006C02000-memory.dmp

Filesize
200KB

Download
memory/1900-45-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1900-91-0x0000000006F80000-0x0000000006FD0000-memory.dmp

Filesize
320KB

Download
memory/3100-6-0x0000000005FB0000-0x00000000064DC000-memory.dmp

Filesize
5.2MB

Download
memory/3100-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/3100-8-0x00000000068F0000-0x00000000068FE000-memory.dmp

Filesize
56KB

Download
memory/3100-7-0x0000000005FA0000-0x0000000005FB0000-memory.dmp

Filesize
64KB

Download
memory/3100-9-0x0000000006950000-0x00000000069D4000-memory.dmp

Filesize
528KB

Download
memory/3100-5-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

Download
memory/3100-4-0x00000000050E0000-0x00000000050EA000-memory.dmp

Filesize
40KB

Download
memory/3100-3-0x0000000005020000-0x00000000050B2000-memory.dmp

Filesize
584KB

Download
memory/3100-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

Filesize
5.6MB

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memory/3100-10-0x0000000006BD0000-0x0000000006C6C000-memory.dmp

Filesize
624KB

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memory/3100-1-0x0000000000590000-0x0000000000640000-memory.dmp

Filesize
704KB

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memory/3100-48-0x0000000074C60000-0x0000000075410000-memory.dmp

Filesize
7.7MB

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