agenttesla | 3123af93014a5a5c49aa6fd2118f6805041af178c222be27e30b2fd477085c19

Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

06-08-2024 13:01

06-08-2024 12:52

06-08-2024 12:29

06-08-2024 12:26

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 15:32

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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 discovery execution keylogger persistence spyware stealer trojan

Malware Config

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
Agenttesla family
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
2904	powershell.exe
2400	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

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-1-5-21-1488793075-819845221-1497111674-1000\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.

flow	ioc
4	api.ipify.org
5	api.ipify.org
6	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35

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	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	schtasks.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
2916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
2716	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
2716	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
2904	powershell.exe
2400	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Token: SeDebugPrivilege	2716	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeDebugPrivilege	2400	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2400	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	28
PID 1748 wrote to memory of 2400	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	28
PID 1748 wrote to memory of 2400	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	28
PID 1748 wrote to memory of 2400	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	28
PID 1748 wrote to memory of 2904	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	30
PID 1748 wrote to memory of 2904	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	30
PID 1748 wrote to memory of 2904	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	30
PID 1748 wrote to memory of 2904	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	30
PID 1748 wrote to memory of 2916	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	31
PID 1748 wrote to memory of 2916	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	31
PID 1748 wrote to memory of 2916	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	31
PID 1748 wrote to memory of 2916	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	31
PID 1748 wrote to memory of 2712	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	34
PID 1748 wrote to memory of 2712	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	34
PID 1748 wrote to memory of 2712	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	34
PID 1748 wrote to memory of 2712	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	34
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35
PID 1748 wrote to memory of 2716	1748	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	35

C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
"C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- 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:2400
- 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:2904
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yZxVRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC85E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2916
- C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
  "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
  2⤵
  PID:2712
- 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:2716

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

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC85E.tmp

Filesize
1KB

MD5
3a0eed001e06abbe48fff306c578eca5

SHA1
a561ebb45b4dee12d7b3b328ca1311a3afd7702f

SHA256
0034e7842c263600aee0751e9ab9b8a791b855a9af5b65ec092fbdc84676b1d4

SHA512
2a764958ad15381fe21703f909031fbd1211e5b62ed35ac6460c6a55e634cd0376a0576b73dc2ce703a3b678ca106675e14bab055c4428d11ccd2140bd11dea5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
afd461fb319d36a230c0aab54357e498

SHA1
125e23cbdeb8da6fdca852fb59d2f3035c7c6027

SHA256
baa1009b094acdbd72bc4b9bd14bd570b59580d3bc1e12e0f56153e5aa472b78

SHA512
33fb6e784e851a2030fda0ed597cdb3f4578e6cb18d42caeb6db1f804c527fce5470f368901e95c988c1e5e85d4a591dd21d5b0017dedf2ca16436d56efb2cb0

Download Submit
memory/1748-4-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/1748-3-0x0000000000450000-0x0000000000460000-memory.dmp

Filesize
64KB

Download
memory/1748-0-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/1748-5-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-6-0x0000000000720000-0x000000000072E000-memory.dmp

Filesize
56KB

Download
memory/1748-7-0x0000000005230000-0x00000000052B4000-memory.dmp

Filesize
528KB

Download
memory/1748-2-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-1-0x0000000000240000-0x00000000002F0000-memory.dmp

Filesize
704KB

Download
memory/1748-32-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2716-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2716-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2716-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2716-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2716-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2716-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2716-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download