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
22s
max time network
23s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
06-08-2024 12:52

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Report Analysis Logs

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

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

pid	Process
4912	powershell.exe
1952	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 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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3761892313-3378554128-2287991803-1000\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
1	api.ipify.org
1	ip-api.com
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 980 set thread context of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89

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	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.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	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.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
4940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
4912	powershell.exe
1952	powershell.exe
980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
4964	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
4964	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
4912	powershell.exe
1952	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
Token: SeDebugPrivilege	4912	powershell.exe
Token: SeDebugPrivilege	1952	powershell.exe
Token: SeDebugPrivilege	4964	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 4912	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	82
PID 980 wrote to memory of 4912	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	82
PID 980 wrote to memory of 4912	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	82
PID 980 wrote to memory of 1952	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	84
PID 980 wrote to memory of 1952	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	84
PID 980 wrote to memory of 1952	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	84
PID 980 wrote to memory of 4940	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	85
PID 980 wrote to memory of 4940	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	85
PID 980 wrote to memory of 4940	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	85
PID 980 wrote to memory of 1208	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	88
PID 980 wrote to memory of 1208	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	88
PID 980 wrote to memory of 1208	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	88
PID 980 wrote to memory of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89
PID 980 wrote to memory of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89
PID 980 wrote to memory of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89
PID 980 wrote to memory of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89
PID 980 wrote to memory of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89
PID 980 wrote to memory of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89
PID 980 wrote to memory of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89
PID 980 wrote to memory of 4964	980	0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe	89

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:980
- 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:4912
- 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:1952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yZxVRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4940
- C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
  "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
  2⤵
  PID:1208
- 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:4964

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

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
ac4917a885cf6050b1a483e4bc4d2ea5

SHA1
b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f

SHA256
e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9

SHA512
092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d

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

Filesize
18KB

MD5
dfcdf66b1c4ce496989d4f1ffbeb7e16

SHA1
a2044034b9eb4ba8520da38b6a6bb6b84d019738

SHA256
8fc50ef7b72cd0eba3a495be7d78c330de28456d91759df3266cefadff3af73b

SHA512
39cd0c04d0c5e6ce5f4a5932231ca3650380f4f4b5c3a1ba1b3924ee72f7cdfa026b646c54d83532f6f781b515309a60802321c2236dc9390340fd12fa21af3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ug2ga5yd.lem.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp

Filesize
1KB

MD5
87c3fd8a5090c684436828053499bf70

SHA1
08480b41bfe841d7de359e2a884052b100d91220

SHA256
66f1841d4f5c17ef8cb2f73c60a79e9563f19ae7281ab03f8b9df6e5da6b88b2

SHA512
64c3b8fcc039ca72708fd93e5019f1008c4d01dd0fb36b3097d60e8fef2a1df746481b37e1b78390669e8078724bb45e0d247dc538a1624eea77633f6d0cfc59

Download Submit
memory/980-5-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/980-3-0x0000000004F60000-0x0000000004FF2000-memory.dmp

Filesize
584KB

Download
memory/980-6-0x0000000005FF0000-0x000000000651C000-memory.dmp

Filesize
5.2MB

Download
memory/980-7-0x0000000005FC0000-0x0000000005FD0000-memory.dmp

Filesize
64KB

Download
memory/980-8-0x0000000005FE0000-0x0000000005FEE000-memory.dmp

Filesize
56KB

Download
memory/980-9-0x0000000006D10000-0x0000000006D94000-memory.dmp

Filesize
528KB

Download
memory/980-10-0x00000000094A0000-0x000000000953C000-memory.dmp

Filesize
624KB

Download
memory/980-46-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/980-0-0x000000007520E000-0x000000007520F000-memory.dmp

Filesize
4KB

Download
memory/980-4-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

Filesize
40KB

Download
memory/980-2-0x0000000005510000-0x0000000005AB6000-memory.dmp

Filesize
5.6MB

Download
memory/980-1-0x0000000000390000-0x0000000000440000-memory.dmp

Filesize
704KB

Download
memory/1952-19-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/1952-61-0x0000000071740000-0x000000007178C000-memory.dmp

Filesize
304KB

Download
memory/1952-86-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/1952-34-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/1952-22-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/4912-16-0x0000000004FE0000-0x000000000560A000-memory.dmp

Filesize
6.2MB

Download
memory/4912-70-0x0000000007610000-0x0000000007C8A000-memory.dmp

Filesize
6.5MB

Download
memory/4912-28-0x0000000004EF0000-0x0000000004F12000-memory.dmp

Filesize
136KB

Download
memory/4912-29-0x00000000056C0000-0x0000000005726000-memory.dmp

Filesize
408KB

Download
memory/4912-15-0x0000000002490000-0x00000000024C6000-memory.dmp

Filesize
216KB

Download
memory/4912-30-0x0000000005730000-0x0000000005796000-memory.dmp

Filesize
408KB

Download
memory/4912-47-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

Filesize
120KB

Download
memory/4912-48-0x0000000005D40000-0x0000000005D8C000-memory.dmp

Filesize
304KB

Download
memory/4912-59-0x0000000006C30000-0x0000000006C4E000-memory.dmp

Filesize
120KB

Download
memory/4912-50-0x0000000071740000-0x000000007178C000-memory.dmp

Filesize
304KB

Download
memory/4912-49-0x0000000006C50000-0x0000000006C84000-memory.dmp

Filesize
208KB

Download
memory/4912-60-0x0000000006E90000-0x0000000006F34000-memory.dmp

Filesize
656KB

Download
memory/4912-71-0x0000000006FD0000-0x0000000006FEA000-memory.dmp

Filesize
104KB

Download
memory/4912-37-0x0000000005830000-0x0000000005B87000-memory.dmp

Filesize
3.3MB

Download
memory/4912-21-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/4912-72-0x0000000007050000-0x000000000705A000-memory.dmp

Filesize
40KB

Download
memory/4912-73-0x0000000007260000-0x00000000072F6000-memory.dmp

Filesize
600KB

Download
memory/4912-74-0x00000000071E0000-0x00000000071F1000-memory.dmp

Filesize
68KB

Download
memory/4912-75-0x0000000007210000-0x000000000721E000-memory.dmp

Filesize
56KB

Download
memory/4912-76-0x0000000007220000-0x0000000007235000-memory.dmp

Filesize
84KB

Download
memory/4912-77-0x0000000007320000-0x000000000733A000-memory.dmp

Filesize
104KB

Download
memory/4912-78-0x0000000007310000-0x0000000007318000-memory.dmp

Filesize
32KB

Download
memory/4912-82-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/4912-18-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/4912-17-0x0000000075200000-0x00000000759B1000-memory.dmp

Filesize
7.7MB

Download
memory/4964-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4964-87-0x0000000006AC0000-0x0000000006B10000-memory.dmp

Filesize
320KB

Download