latentbot | 9a0e1b346dd4fd6c1317b0e65d3b84c307088503f2a92c442bcfc2760bce3b81

General

Target

Celesty Binder/Celesty.exe
Size

339KB
MD5

a491ae8fa630d0a97090fbb8f8a33cbb
SHA1

326c5f941a3e49ff6eefb3942f9032caaa3a97bc
SHA256

0cec2c135a78cd2543e92f8646edec9c0dd76e4acba3c1b8208769af48ddecca
SHA512

c136d3d0f3029386409e0de5ea22f8745b8a34d3d4ae41b5c81a025c02c5fad30c58bd009f71b54e3eb8812167bad35d800fe8c514e675f364710daa9c249831
SSDEEP

6144:pKC2F8NXC796TB9vj48kQAm5R7x0n2kxTNLba15g9iZiA:pUeVQkTrvj41QAytkx5615gOt

Score

10^/10

latentbot discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

latentbot

C2

zaweli3aiech.zapto.org

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

netsh.exe

pid	Process
2848	netsh.exe

Drops startup file 2 IoCs

Processes:

service.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\55dfc3d0baa82d3ee5ad96d5a25aa61d.exe	service.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\55dfc3d0baa82d3ee5ad96d5a25aa61d.exe	service.exe

Executes dropped EXE 1 IoCs

Processes:

service.exe

pid	Process
2396	service.exe

Loads dropped DLL 1 IoCs

Processes:

Celesty.exe

pid	Process
2584	Celesty.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

service.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\55dfc3d0baa82d3ee5ad96d5a25aa61d = "\"C:\\ProgramData\\service.exe\" .."	service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\55dfc3d0baa82d3ee5ad96d5a25aa61d = "\"C:\\ProgramData\\service.exe\" .."	service.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

Processes:

netsh.exe

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

Processes:

Celesty.exeservice.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Celesty.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

service.exe

pid	Process
2396	service.exe
2396	service.exe
2396	service.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

service.exe

description	pid	Process
Token: SeDebugPrivilege	2396	service.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Celesty.exeservice.exe

description	pid	Process	procid_target
PID 2584 wrote to memory of 2396	2584	Celesty.exe	31
PID 2584 wrote to memory of 2396	2584	Celesty.exe	31
PID 2584 wrote to memory of 2396	2584	Celesty.exe	31
PID 2584 wrote to memory of 2396	2584	Celesty.exe	31
PID 2396 wrote to memory of 2848	2396	service.exe	32
PID 2396 wrote to memory of 2848	2396	service.exe	32
PID 2396 wrote to memory of 2848	2396	service.exe	32
PID 2396 wrote to memory of 2848	2396	service.exe	32

C:\Users\Admin\AppData\Local\Temp\Celesty Binder\Celesty.exe
"C:\Users\Admin\AppData\Local\Temp\Celesty Binder\Celesty.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- C:\ProgramData\service.exe
  "C:\ProgramData\service.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:2396
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\service.exe" "service.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2848

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

\ProgramData\service.exe

Filesize
339KB

MD5
a491ae8fa630d0a97090fbb8f8a33cbb

SHA1
326c5f941a3e49ff6eefb3942f9032caaa3a97bc

SHA256
0cec2c135a78cd2543e92f8646edec9c0dd76e4acba3c1b8208769af48ddecca

SHA512
c136d3d0f3029386409e0de5ea22f8745b8a34d3d4ae41b5c81a025c02c5fad30c58bd009f71b54e3eb8812167bad35d800fe8c514e675f364710daa9c249831

Download Submit
memory/2396-26-0x0000000076550000-0x0000000076660000-memory.dmp

Filesize
1.1MB

Download
memory/2396-28-0x0000000076550000-0x0000000076660000-memory.dmp

Filesize
1.1MB

Download
memory/2396-27-0x0000000076550000-0x0000000076660000-memory.dmp

Filesize
1.1MB

Download
memory/2396-32-0x0000000076550000-0x0000000076660000-memory.dmp

Filesize
1.1MB

Download
memory/2584-0-0x0000000000230000-0x0000000000270000-memory.dmp

Filesize
256KB

Download
memory/2584-9-0x0000000076564000-0x0000000076565000-memory.dmp

Filesize
4KB

Download
memory/2584-10-0x0000000076550000-0x0000000076660000-memory.dmp

Filesize
1.1MB

Download
memory/2584-29-0x0000000076550000-0x0000000076660000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads