latentbot | 9a0e1b346dd4fd6c1317b0e65d3b84c307088503f2a92c442bcfc2760bce3b81

General

Target

Celesty Binder/Celesty - Raccourci.lnk
Size

794B
MD5

e3402ff97554ad795be5d4c3d0c6cd00
SHA1

81bb4260848c86fb2f3bf37e82fc4bbbfcf2e6e9
SHA256

d5e8131a5e38ba7f07f681e38a23afcbdea695776e55f3269a48f32721ad4365
SHA512

478a6c5a6b9b18751bfd530a801a6a34831bb12dd51d0f6bb39fa2aba196024b35574b43dc846f5f715ccffca3a3fbba4a14c0a409402e556eed4ea01a0a2f2b

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

pid	Process
4508	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops startup file 2 IoCs

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

pid	Process
2248	service.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-1-5-21-3350944739-639801879-157714471-1000\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

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	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 27 IoCs

pid	Process
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe
2248	service.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	service.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 4376	1544	cmd.exe	85
PID 1544 wrote to memory of 4376	1544	cmd.exe	85
PID 1544 wrote to memory of 4376	1544	cmd.exe	85
PID 4376 wrote to memory of 2248	4376	Celesty.exe	97
PID 4376 wrote to memory of 2248	4376	Celesty.exe	97
PID 4376 wrote to memory of 2248	4376	Celesty.exe	97
PID 2248 wrote to memory of 4508	2248	service.exe	102
PID 2248 wrote to memory of 4508	2248	service.exe	102
PID 2248 wrote to memory of 4508	2248	service.exe	102

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Celesty Binder\Celesty - Raccourci.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\Celesty Binder\Celesty.exe
  "C:\Users\Admin\AppData\Local\Temp\Celesty Binder\Celesty.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4376
- - C:\ProgramData\service.exe
    "C:\ProgramData\service.exe"
    3⤵
    - 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:2248
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\ProgramData\service.exe" "service.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4508

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

Replay Monitor

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Downloads

C:\ProgramData\service.exe

Filesize
339KB

MD5
a491ae8fa630d0a97090fbb8f8a33cbb

SHA1
326c5f941a3e49ff6eefb3942f9032caaa3a97bc

SHA256
0cec2c135a78cd2543e92f8646edec9c0dd76e4acba3c1b8208769af48ddecca

SHA512
c136d3d0f3029386409e0de5ea22f8745b8a34d3d4ae41b5c81a025c02c5fad30c58bd009f71b54e3eb8812167bad35d800fe8c514e675f364710daa9c249831

Download Submit
memory/2248-50-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-43-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-41-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-42-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-57-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-58-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-55-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-54-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-53-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-52-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-47-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-44-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-30-0x0000000000460000-0x00000000004A0000-memory.dmp

Filesize
256KB

Download
memory/2248-45-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-46-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-56-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-48-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/2248-49-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-2-0x0000000000640000-0x0000000000680000-memory.dmp

Filesize
256KB

Download
memory/4376-14-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-40-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-11-0x0000000075990000-0x0000000075991000-memory.dmp

Filesize
4KB

Download
memory/4376-21-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-12-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-20-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-17-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-18-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-19-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-13-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-15-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download
memory/4376-16-0x0000000075970000-0x0000000075A60000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads