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
4484	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.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
2976	svhost.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-1-5-21-1045960512-3948844814-3059691613-1000\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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe
2976	svhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	svhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2976	1676	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe	84
PID 1676 wrote to memory of 2976	1676	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe	84
PID 1676 wrote to memory of 2976	1676	43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe	84
PID 2976 wrote to memory of 4484	2976	svhost.exe	92
PID 2976 wrote to memory of 4484	2976	svhost.exe	92
PID 2976 wrote to memory of 4484	2976	svhost.exe	92

C:\Users\Admin\AppData\Local\Temp\43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe
"C:\Users\Admin\AppData\Local\Temp\43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611cN.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676
- 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:2976
- - 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:4484

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

Query Registry

1

T1012

System Information Discovery

2

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

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

Filesize
112KB

MD5
7900de879f1be53cfebcaf2b4a77e0d0

SHA1
25a99b169ca376099f7a50b3ea8e1e70cf01c530

SHA256
43a601d8e8477ef7c4a033f1a44221d02c50fdcfd164e4cb034da32efc72611c

SHA512
37d29f96924301b12ae4ffb576262f1ab0c4ad8952a3392cf24ff5b9abdfb5051d152c269ef1ed750168522d1fb5616ce7f4101107453e48891fdb15d1ad98a2

Download Submit
C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch

Filesize
516B

MD5
753d9824174e8f4391b07b470e257bae

SHA1
02bd3ba895d107f295d4e540c7e8417a6b4311ba

SHA256
a5ea167510f3d34acedbfe98470b73e65e1a6442e7b7d3c0ea0e57b9d94943b4

SHA512
c8dcf1207933d343647cbe94a4c9de61e8799fe6e329dfbee4afd5b23116be36fb4f97818cfd35105e84fc0a69c0a0cc92f9ec1bfa0fbfda8a3c990edf458f6a

Download Submit
memory/1676-0-0x0000000075382000-0x0000000075383000-memory.dmp

Filesize
4KB

Download
memory/1676-1-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/1676-2-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/1676-15-0x0000000075382000-0x0000000075383000-memory.dmp

Filesize
4KB

Download
memory/1676-16-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/1676-21-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/2976-17-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/2976-20-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/2976-23-0x0000000075380000-0x0000000075931000-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