agenttesla | 85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2

General

Target

85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
Size

838KB
MD5

3007df3c5e7bf8f2bbf00a307ff38a96
SHA1

6a41251cd095d326e243a79c4e9669ff7d44745a
SHA256

85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2
SHA512

14a76084acc1cd6ad6105fe6564487e91128c6a4e789da0390817ecfc5dbca81dcc921f847d940efe7ffac9a7ef65b36d166c89bf14164c5d94c2a3ba8fc7459
SSDEEP

24576:UDom7oWdCZsusWuZSf4rKFZr0J/cGwfYuX0J:dmcrZPsBSf4rKFRK1tdJ

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
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
2752	powershell.exe
2172	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

Looks up external IP address via web service 2 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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37

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	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.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	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.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
2812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3032	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
3032	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
2752	powershell.exe
2172	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2172	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2172	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	31
PID 3024 wrote to memory of 2172	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	31
PID 3024 wrote to memory of 2172	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	31
PID 3024 wrote to memory of 2172	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	31
PID 3024 wrote to memory of 2752	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	33
PID 3024 wrote to memory of 2752	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	33
PID 3024 wrote to memory of 2752	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	33
PID 3024 wrote to memory of 2752	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	33
PID 3024 wrote to memory of 2812	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	35
PID 3024 wrote to memory of 2812	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	35
PID 3024 wrote to memory of 2812	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	35
PID 3024 wrote to memory of 2812	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	35
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37
PID 3024 wrote to memory of 3032	3024	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	37

C:\Users\Admin\AppData\Local\Temp\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
"C:\Users\Admin\AppData\Local\Temp\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024
- 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\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2172
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VTetdBK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VTetdBK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD88.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
  "C:\Users\Admin\AppData\Local\Temp\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3032

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\tmpD88.tmp

Filesize
1KB

MD5
29911ca73ceee4cf6e8f50d14a491a76

SHA1
f9c50c81b19968e01bad4eafaade9673c69d7b87

SHA256
8ac2686ad7d2ccdae112a6a0ccc82bdd7c1d64228de8615d46f4ff7d838861d6

SHA512
f06f2b297c0f52f80361feaca9e19a495f774e4939f9d7705eee50f8107b9b8d142cb1fa34da69e87cdbaa8c4e7eb41fa9b8d0eaf66dea7255685ad6bc0b1bb3

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

Filesize
7KB

MD5
6931c145bcc9e0e8e5581ce7f0d0184c

SHA1
0f3a891b04d01ffc897df339aa1ddc9b1504574f

SHA256
650a5c2ce4afbee46d2f58e3d61aab4c8f1443b425821d6f3576050264e695ec

SHA512
04a3d45680b0d59d05f43a205d713a23e5e5f6c407a8379bd247aadc602d0a67ca3b7988e67dedb956d08ce34eb3fd78346c42562f38cc08f2ac26d362688c7b

Download Submit
memory/3024-4-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/3024-31-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/3024-5-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-6-0x0000000004D80000-0x0000000004E02000-memory.dmp

Filesize
520KB

Download
memory/3024-2-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-1-0x0000000000AE0000-0x0000000000BB8000-memory.dmp

Filesize
864KB

Download
memory/3024-3-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/3032-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3032-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3032-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3032-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3032-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3032-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3032-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3032-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads