agenttesla | b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41

General

Target

New PO#2729217048.exe
Size

936KB
MD5

92e31906e68e746776729036b82e59a1
SHA1

40f9317b50000be6b391d07911e68f2a206a98f8
SHA256

b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41
SHA512

4f2ccbe7df1b29faef95c3199ed9cdc103bd66af4ba7efc8905cad9a33bc8deefd6b31a9f898b2780bfeb3e02b08f962a917edfd9001881afc4eb34db85e9317
SSDEEP

24576:bnUoby03y3pDpO6BAjCC/ntp7ugb8fzW1YYuX0J:bUCcE6+jCCPbugczWZdJ

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
2188	powershell.exe
2624	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 1708 set thread context of 2824	1708	New PO#2729217048.exe	38

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	New PO#2729217048.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New PO#2729217048.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

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
2252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1708	New PO#2729217048.exe
1708	New PO#2729217048.exe
2824	New PO#2729217048.exe
2824	New PO#2729217048.exe
2188	powershell.exe
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	New PO#2729217048.exe
Token: SeDebugPrivilege	2824	New PO#2729217048.exe
Token: SeDebugPrivilege	2188	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2188	1708	New PO#2729217048.exe	31
PID 1708 wrote to memory of 2188	1708	New PO#2729217048.exe	31
PID 1708 wrote to memory of 2188	1708	New PO#2729217048.exe	31
PID 1708 wrote to memory of 2188	1708	New PO#2729217048.exe	31
PID 1708 wrote to memory of 2624	1708	New PO#2729217048.exe	33
PID 1708 wrote to memory of 2624	1708	New PO#2729217048.exe	33
PID 1708 wrote to memory of 2624	1708	New PO#2729217048.exe	33
PID 1708 wrote to memory of 2624	1708	New PO#2729217048.exe	33
PID 1708 wrote to memory of 2252	1708	New PO#2729217048.exe	35
PID 1708 wrote to memory of 2252	1708	New PO#2729217048.exe	35
PID 1708 wrote to memory of 2252	1708	New PO#2729217048.exe	35
PID 1708 wrote to memory of 2252	1708	New PO#2729217048.exe	35
PID 1708 wrote to memory of 2772	1708	New PO#2729217048.exe	37
PID 1708 wrote to memory of 2772	1708	New PO#2729217048.exe	37
PID 1708 wrote to memory of 2772	1708	New PO#2729217048.exe	37
PID 1708 wrote to memory of 2772	1708	New PO#2729217048.exe	37
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38
PID 1708 wrote to memory of 2824	1708	New PO#2729217048.exe	38

C:\Users\Admin\AppData\Local\Temp\New PO#2729217048.exe
"C:\Users\Admin\AppData\Local\Temp\New PO#2729217048.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708
- 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\New PO#2729217048.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2188
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BPBHACGkcaHInS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BPBHACGkcaHInS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1610.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2252
- C:\Users\Admin\AppData\Local\Temp\New PO#2729217048.exe
  "C:\Users\Admin\AppData\Local\Temp\New PO#2729217048.exe"
  2⤵
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\New PO#2729217048.exe
  "C:\Users\Admin\AppData\Local\Temp\New PO#2729217048.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2824

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\tmp1610.tmp

Filesize
1KB

MD5
b56a15cffb13af6d7ce44b0c422cd98c

SHA1
0861427f07c05cfd3303ab8ce805cec41b78bab5

SHA256
f4bd8bf95ade605b25d520c48a893ab1aa6043977b86edb88883bcc9d2b9ba89

SHA512
e1970b2bcfef9e70f558507a794da3f14049891f7791b0e55fc0896884fa65e9057424b8d53891a3dbc3032377f01f63fa12f3c06a4ac072514f36d754b00774

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MAINA2JEBPYSXYS5JGEA.temp

Filesize
7KB

MD5
9359fa6d806a1d19c7db5399a2daf243

SHA1
d23faa5c320a701c90be04e87a2876c48f5adc35

SHA256
afc25cc347116d098acdf91efb6f86e0b8b3080713228aa42ebf46a24cfafe10

SHA512
c14d7a52dc4b48386c8994210efcf81d46a890c7f3c84eafee3140cf7a61fc8ae92e54a78ba31cd78d283049897e141a83965c9ed2c7561ace3e374602f1ca1a

Download Submit
memory/1708-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1708-31-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1708-5-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-6-0x0000000005300000-0x0000000005382000-memory.dmp

Filesize
520KB

Download
memory/1708-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-1-0x0000000001130000-0x0000000001220000-memory.dmp

Filesize
960KB

Download
memory/1708-3-0x0000000000470000-0x0000000000488000-memory.dmp

Filesize
96KB

Download
memory/2824-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2824-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2824-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2824-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2824-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2824-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2824-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads