latentbot | 43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611c

General

Target

43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe
Size

112KB
MD5

7900de879f1be53cfebcaf2b4a77e0d0
SHA1

25a99b169ca376099f7a50b3ea8e1e70cf01c530
SHA256

43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611c
SHA512

37d29f96924301b12ae4ffb576262f1ab0c4ad8952a3392cf24ff5b9abdfb5051d152c269ef1ed750168522d1fb5616ce7f4101107453e48891fdb15d1ad98a2
SSDEEP

1536:9qkzoRpTAdufT4f05ylAAt85jJdOsqkZS++YvQ8NUsOhmmWnoDPd:xwpTyufT4f05ylAAtqjJdO1kwm/lno

Score

10^/10

latentbot discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

latentbot

C2

majrino2020.zapto.org

Signatures

LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot
Latentbot family
latentbot

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3044	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\35d1703cd61867afaf567473dc316f87.exe	svhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\35d1703cd61867afaf567473dc316f87.exe	svhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	svhost.exe

Loads dropped DLL 2 IoCs

pid	Process
2220	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe
2220	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\35d1703cd61867afaf567473dc316f87 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\35d1703cd61867afaf567473dc316f87 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.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 3 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\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2988	svhost.exe
2988	svhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	svhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2988	2220	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe	29
PID 2220 wrote to memory of 2988	2220	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe	29
PID 2220 wrote to memory of 2988	2220	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe	29
PID 2220 wrote to memory of 2988	2220	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe	29
PID 2988 wrote to memory of 3044	2988	svhost.exe	30
PID 2988 wrote to memory of 3044	2988	svhost.exe	30
PID 2988 wrote to memory of 3044	2988	svhost.exe	30
PID 2988 wrote to memory of 3044	2988	svhost.exe	30

C:\Users\Admin\AppData\Local\Temp\43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe
"C:\Users\Admin\AppData\Local\Temp\43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svhost.exe" "svhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\svhost.exe

Filesize
112KB

MD5
7900de879f1be53cfebcaf2b4a77e0d0

SHA1
25a99b169ca376099f7a50b3ea8e1e70cf01c530

SHA256
43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611c

SHA512
37d29f96924301b12ae4ffb576262f1ab0c4ad8952a3392cf24ff5b9abdfb5051d152c269ef1ed750168522d1fb5616ce7f4101107453e48891fdb15d1ad98a2

Download Submit
memory/2220-0-0x0000000074441000-0x0000000074442000-memory.dmp

Filesize
4KB

Download
memory/2220-1-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2220-2-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2220-16-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2220-20-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-15-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-19-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-22-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-23-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads