agenttesla | e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167

General

Target

BOSSARD_ORDER_4923521.exe
Size

853KB
MD5

a9ea323ea2de4868acfb99b7959b54b6
SHA1

b66217db6ffda157a9252611f6b1d528f76f0420
SHA256

e17765cd72f6b95c8167f428ed734688d3b545c45c23e07407361e8979b49167
SHA512

eff66d932ba7d246b20fe71da264ecbabb430d27bec97bbe258f0b4ca6a43843426f5251579b444ae5fd02fbcf8d9ee8cb9030c7e7c20727bb36e813e1b3117f
SSDEEP

12288:27auaN1gTyQcG+yDXEdKemm6EIJtZcIuE4VGnYZzHmPKuDVFSrdtTJHlgrdm4Vzu:27sQclMXk6OVGn2zGS6VAd

Score

10^/10

agenttesla 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:
manlikeyou88
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
2120	powershell.exe
2964	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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 584 set thread context of 2720	584	BOSSARD_ORDER_4923521.exe	36

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	BOSSARD_ORDER_4923521.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BOSSARD_ORDER_4923521.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
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2720	BOSSARD_ORDER_4923521.exe
2720	BOSSARD_ORDER_4923521.exe
2964	powershell.exe
2120	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	BOSSARD_ORDER_4923521.exe
Token: SeDebugPrivilege	2964	powershell.exe
Token: SeDebugPrivilege	2120	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 584 wrote to memory of 2120	584	BOSSARD_ORDER_4923521.exe	30
PID 584 wrote to memory of 2120	584	BOSSARD_ORDER_4923521.exe	30
PID 584 wrote to memory of 2120	584	BOSSARD_ORDER_4923521.exe	30
PID 584 wrote to memory of 2120	584	BOSSARD_ORDER_4923521.exe	30
PID 584 wrote to memory of 2964	584	BOSSARD_ORDER_4923521.exe	32
PID 584 wrote to memory of 2964	584	BOSSARD_ORDER_4923521.exe	32
PID 584 wrote to memory of 2964	584	BOSSARD_ORDER_4923521.exe	32
PID 584 wrote to memory of 2964	584	BOSSARD_ORDER_4923521.exe	32
PID 584 wrote to memory of 2840	584	BOSSARD_ORDER_4923521.exe	33
PID 584 wrote to memory of 2840	584	BOSSARD_ORDER_4923521.exe	33
PID 584 wrote to memory of 2840	584	BOSSARD_ORDER_4923521.exe	33
PID 584 wrote to memory of 2840	584	BOSSARD_ORDER_4923521.exe	33
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36
PID 584 wrote to memory of 2720	584	BOSSARD_ORDER_4923521.exe	36

C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe
"C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:584
- 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\BOSSARD_ORDER_4923521.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2120
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CkVzvA.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2964
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CkVzvA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC810.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe
  "C:\Users\Admin\AppData\Local\Temp\BOSSARD_ORDER_4923521.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720

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\tmpC810.tmp

Filesize
1KB

MD5
3585b5da7a96903e9328ae7336dbc21f

SHA1
184ea5571cdeb723f3c21896a8a19a5d14d2f305

SHA256
6a3d5e4e39dc7f50677d3f0110e1b4931d68c0d42628b9ee2364b6d3d60ea363

SHA512
8e68404f416c62aa2a1c2e962c3345962e951cfe358bce1929358a9069da451fed701320485450664dd5421ac6576975793c4d85758f4130d4bb7670e4573b34

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\O7AG4S1RTD1GUB8O7Y6Y.temp

Filesize
7KB

MD5
9a08eeabc67a5d83999553158153e78d

SHA1
6167069af6bb767d96c29dab7d300ef5173974a5

SHA256
c1b54f9f3eb5050038fae47f84bc1aada5ac607cae9ad5698ee8a8a07c20fd9d

SHA512
fffebf7a29b044d03e0195dc7ff772ff275eca56d3a78fec5ea57b055b32e1ca88c4bcadade4d11c5a3c0230c3e0a1a32568222b4bcf19015890b5719aadde9c

Download Submit
memory/584-4-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/584-31-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/584-0-0x00000000740DE000-0x00000000740DF000-memory.dmp

Filesize
4KB

Download
memory/584-5-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/584-6-0x0000000005320000-0x00000000053A2000-memory.dmp

Filesize
520KB

Download
memory/584-2-0x00000000740D0000-0x00000000747BE000-memory.dmp

Filesize
6.9MB

Download
memory/584-1-0x0000000001160000-0x000000000123C000-memory.dmp

Filesize
880KB

Download
memory/584-3-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2720-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2720-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads