meshagent | 3c355223bc62ba981bfd89c0cea83bf97c3922724082cdb1968611e22b032eca

Analysis

max time kernel
42s
max time network
40s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/01/2025, 21:05

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Reason

Machine shutdown

Report Analysis Logs

General

Target

meshagent64-UNIDADDEARCHIVOGENERAL.exe
Size

2.9MB
MD5

96e9516b53a7bb176775fd12b024ab07
SHA1

e648531fa9f7bf84a86dd89a05588da445605d4f
SHA256

3c355223bc62ba981bfd89c0cea83bf97c3922724082cdb1968611e22b032eca
SHA512

c3e33fa7a963ff73db0c7f2126ad05f2d217710c98d4a2a00505087cfa3808ea3277211dffdda29bc6209b48b28d340ce2db663102de7d218472c1487692a314
SSDEEP

49152:9yEEFoRjQ86ctQAWrk9k+PhBFB3FFIBoYCIYSMFvf0VQc9pdQPn:9nj36pUk0TkfYiQ/n

Score

10^/10

meshagent unidad de archivo general backdoor discovery evasion persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

meshagent

Version

Botnet

UNIDAD DE ARCHIVO GENERAL

http://colibri.chuquisaca.gob.bo:443/agent.ashx

Attributes

mesh_id
0x1D449E06756DEB696DFE114FE83E6D57CF893ECCCCA739CFCC58CD393236EAA06590BC34D172CD4BD10FD29D625447B2
server_id
77F03DBA4A0D9B475F79044A818A18B276F59E471227825488B87E9061C6EA43888A93BB01AA5EB6E01E388DD64E83CA
wss
wss://colibri.chuquisaca.gob.bo:443/agent.ashx

Signatures

Detects MeshAgent payload 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000162e4-20.dat	family_meshagent

MeshAgent
MeshAgent is an open source remote access trojan written in C++.
rat trojan backdoor meshagent
Meshagent family
meshagent

Modifies Windows Firewall 2 TTPs 4 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2864	netsh.exe
2596	netsh.exe
2276	netsh.exe
2912	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Mesh Agent\ImagePath = "\"C:\\Program Files\\Mesh Agent\\MeshAgent.exe\" --installedByUser=\"S-1-5-21-3063565911-2056067323-3330884624-1000\""	meshagent64-UNIDADDEARCHIVOGENERAL.exe

Executes dropped EXE 2 IoCs

pid	Process
472	Process not Found
2036	MeshAgent.exe

Loads dropped DLL 4 IoCs

pid	Process
1184	Process not Found
1184	Process not Found
1184	Process not Found
1184	Process not Found

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mesh Agent\MeshAgent.db	MeshAgent.exe
File created	C:\Program Files\Mesh Agent\MeshAgent.db	MeshAgent.exe
File opened for modification	C:\Program Files\Mesh Agent\MeshAgent.db.tmp	MeshAgent.exe
File created	C:\Program Files\Mesh Agent\MeshAgent.db.tmp	MeshAgent.exe
File created	C:\Program Files\Mesh Agent\MeshAgent.msh	MeshAgent.exe
File opened for modification	C:\Program Files\Mesh Agent\MeshAgent.log	MeshAgent.exe
File created	C:\Program Files\Mesh Agent\MeshAgent.exe	meshagent64-UNIDADDEARCHIVOGENERAL.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 12 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	DllHost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2720	powershell.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2092	wmic.exe
Token: SeSecurityPrivilege	2092	wmic.exe
Token: SeTakeOwnershipPrivilege	2092	wmic.exe
Token: SeLoadDriverPrivilege	2092	wmic.exe
Token: SeSystemProfilePrivilege	2092	wmic.exe
Token: SeSystemtimePrivilege	2092	wmic.exe
Token: SeProfSingleProcessPrivilege	2092	wmic.exe
Token: SeIncBasePriorityPrivilege	2092	wmic.exe
Token: SeCreatePagefilePrivilege	2092	wmic.exe
Token: SeBackupPrivilege	2092	wmic.exe
Token: SeRestorePrivilege	2092	wmic.exe
Token: SeShutdownPrivilege	2092	wmic.exe
Token: SeDebugPrivilege	2092	wmic.exe
Token: SeSystemEnvironmentPrivilege	2092	wmic.exe
Token: SeRemoteShutdownPrivilege	2092	wmic.exe
Token: SeUndockPrivilege	2092	wmic.exe
Token: SeManageVolumePrivilege	2092	wmic.exe
Token: 33	2092	wmic.exe
Token: 34	2092	wmic.exe
Token: 35	2092	wmic.exe
Token: SeIncreaseQuotaPrivilege	2092	wmic.exe
Token: SeSecurityPrivilege	2092	wmic.exe
Token: SeTakeOwnershipPrivilege	2092	wmic.exe
Token: SeLoadDriverPrivilege	2092	wmic.exe
Token: SeSystemProfilePrivilege	2092	wmic.exe
Token: SeSystemtimePrivilege	2092	wmic.exe
Token: SeProfSingleProcessPrivilege	2092	wmic.exe
Token: SeIncBasePriorityPrivilege	2092	wmic.exe
Token: SeCreatePagefilePrivilege	2092	wmic.exe
Token: SeBackupPrivilege	2092	wmic.exe
Token: SeRestorePrivilege	2092	wmic.exe
Token: SeShutdownPrivilege	2092	wmic.exe
Token: SeDebugPrivilege	2092	wmic.exe
Token: SeSystemEnvironmentPrivilege	2092	wmic.exe
Token: SeRemoteShutdownPrivilege	2092	wmic.exe
Token: SeUndockPrivilege	2092	wmic.exe
Token: SeManageVolumePrivilege	2092	wmic.exe
Token: 33	2092	wmic.exe
Token: 34	2092	wmic.exe
Token: 35	2092	wmic.exe
Token: SeDebugPrivilege	2720	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2092	2380	meshagent64-UNIDADDEARCHIVOGENERAL.exe	31
PID 2380 wrote to memory of 2092	2380	meshagent64-UNIDADDEARCHIVOGENERAL.exe	31
PID 2380 wrote to memory of 2092	2380	meshagent64-UNIDADDEARCHIVOGENERAL.exe	31
PID 2380 wrote to memory of 3008	2380	meshagent64-UNIDADDEARCHIVOGENERAL.exe	34
PID 2380 wrote to memory of 3008	2380	meshagent64-UNIDADDEARCHIVOGENERAL.exe	34
PID 2380 wrote to memory of 3008	2380	meshagent64-UNIDADDEARCHIVOGENERAL.exe	34
PID 3008 wrote to memory of 2720	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	36
PID 3008 wrote to memory of 2720	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	36
PID 3008 wrote to memory of 2720	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	36
PID 3008 wrote to memory of 2588	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	38
PID 3008 wrote to memory of 2588	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	38
PID 3008 wrote to memory of 2588	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	38
PID 2588 wrote to memory of 2912	2588	cmd.exe	40
PID 2588 wrote to memory of 2912	2588	cmd.exe	40
PID 2588 wrote to memory of 2912	2588	cmd.exe	40
PID 3008 wrote to memory of 2824	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	41
PID 3008 wrote to memory of 2824	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	41
PID 3008 wrote to memory of 2824	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	41
PID 2824 wrote to memory of 2864	2824	cmd.exe	43
PID 2824 wrote to memory of 2864	2824	cmd.exe	43
PID 2824 wrote to memory of 2864	2824	cmd.exe	43
PID 3008 wrote to memory of 2808	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	44
PID 3008 wrote to memory of 2808	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	44
PID 3008 wrote to memory of 2808	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	44
PID 2808 wrote to memory of 2596	2808	cmd.exe	46
PID 2808 wrote to memory of 2596	2808	cmd.exe	46
PID 2808 wrote to memory of 2596	2808	cmd.exe	46
PID 3008 wrote to memory of 3044	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	47
PID 3008 wrote to memory of 3044	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	47
PID 3008 wrote to memory of 3044	3008	meshagent64-UNIDADDEARCHIVOGENERAL.exe	47
PID 3044 wrote to memory of 2276	3044	cmd.exe	49
PID 3044 wrote to memory of 2276	3044	cmd.exe	49
PID 3044 wrote to memory of 2276	3044	cmd.exe	49

C:\Users\Admin\AppData\Local\Temp\meshagent64-UNIDADDEARCHIVOGENERAL.exe
"C:\Users\Admin\AppData\Local\Temp\meshagent64-UNIDADDEARCHIVOGENERAL.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\system32\wbem\wmic.exe
  wmic os get oslanguage /FORMAT:LIST
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2092
- C:\Users\Admin\AppData\Local\Temp\meshagent64-UNIDADDEARCHIVOGENERAL.exe
  "C:\Users\Admin\AppData\Local\Temp\meshagent64-UNIDADDEARCHIVOGENERAL.exe" -fullinstall
  2⤵
  - Sets service image path in registry
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    /C "Get-Module -ListAvailable -Name netsecurity"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2720
- - C:\Windows\System32\cmd.exe
    /C "netsh advfirewall firewall add rule name="Mesh Agent Management Traffic (TCP-1) {766d64bb-ef5f-4d8b-5d0e-0d58363f266e}" action=allow description="Mesh Central Agent Management Traffic" dir=in program="C:\Program Files\Mesh Agent\MeshAgent.exe" protocol=TCP profile="public,private,domain" interfacetype=any edge=yes localport=16990"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="Mesh Agent Management Traffic (TCP-1) {766d64bb-ef5f-4d8b-5d0e-0d58363f266e}" action=allow description="Mesh Central Agent Management Traffic" dir=in program="C:\Program Files\Mesh Agent\MeshAgent.exe" protocol=TCP profile="public,private,domain" interfacetype=any edge=yes localport=16990
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:2912
- - C:\Windows\System32\cmd.exe
    /C "netsh advfirewall firewall add rule name="Mesh Agent Management Traffic (TCP-2) {be021fa9-4d16-4290-d966-3214c9e4beb8}" action=allow description="Mesh Central Agent Management Traffic" dir=in program="C:\Program Files\Mesh Agent\MeshAgent.exe" protocol=TCP profile="public,private,domain" interfacetype=any edge=yes localport=16991"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2824
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="Mesh Agent Management Traffic (TCP-2) {be021fa9-4d16-4290-d966-3214c9e4beb8}" action=allow description="Mesh Central Agent Management Traffic" dir=in program="C:\Program Files\Mesh Agent\MeshAgent.exe" protocol=TCP profile="public,private,domain" interfacetype=any edge=yes localport=16991
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:2864
- - C:\Windows\System32\cmd.exe
    /C "netsh advfirewall firewall add rule name="Mesh Agent Peer-to-Peer Traffic (UDP-1) {d7b04f55-bcdd-4c9b-3bea-bfdc83b6ae07}" action=allow description="Mesh Central Agent Peer-to-Peer Traffic" dir=in program="C:\Program Files\Mesh Agent\MeshAgent.exe" protocol=UDP profile="public,private,domain" interfacetype=any edge=yes localport=16990"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2808
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="Mesh Agent Peer-to-Peer Traffic (UDP-1) {d7b04f55-bcdd-4c9b-3bea-bfdc83b6ae07}" action=allow description="Mesh Central Agent Peer-to-Peer Traffic" dir=in program="C:\Program Files\Mesh Agent\MeshAgent.exe" protocol=UDP profile="public,private,domain" interfacetype=any edge=yes localport=16990
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:2596
- - C:\Windows\System32\cmd.exe
    /C "netsh advfirewall firewall add rule name="Mesh Agent Peer-to-Peer Traffic (UDP-2) {0046fcb1-dddf-4581-baa9-ec6fc14de9c5}" action=allow description="Mesh Central Agent Peer-to-Peer Traffic" dir=in program="C:\Program Files\Mesh Agent\MeshAgent.exe" protocol=UDP profile="public,private,domain" interfacetype=any edge=yes localport=16991"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3044
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="Mesh Agent Peer-to-Peer Traffic (UDP-2) {0046fcb1-dddf-4581-baa9-ec6fc14de9c5}" action=allow description="Mesh Central Agent Peer-to-Peer Traffic" dir=in program="C:\Program Files\Mesh Agent\MeshAgent.exe" protocol=UDP profile="public,private,domain" interfacetype=any edge=yes localport=16991
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:2276

C:\Program Files\Mesh Agent\MeshAgent.exe
"C:\Program Files\Mesh Agent\MeshAgent.exe" --installedByUser="S-1-5-21-3063565911-2056067323-3330884624-1000"
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:2036

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
- System Location Discovery: System Language Discovery
PID:1852

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1548

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Program Files\Mesh Agent\MeshAgent.exe

Filesize
2.9MB

MD5
96e9516b53a7bb176775fd12b024ab07

SHA1
e648531fa9f7bf84a86dd89a05588da445605d4f

SHA256
3c355223bc62ba981bfd89c0cea83bf97c3922724082cdb1968611e22b032eca

SHA512
c3e33fa7a963ff73db0c7f2126ad05f2d217710c98d4a2a00505087cfa3808ea3277211dffdda29bc6209b48b28d340ce2db663102de7d218472c1487692a314

Download Submit
memory/2720-6-0x000000001B840000-0x000000001BB22000-memory.dmp

Filesize
2.9MB

Download
memory/2720-7-0x0000000002770000-0x0000000002778000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads