latentbot | b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842

General

Target

b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842.exe
Size

23KB
MD5

19c553768fdae568484a2f94e8cc4853
SHA1

994e146909e21f06fc8b10790ba4d731174b5467
SHA256

b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842
SHA512

214f78635c6cf20d102cd9a44891df7b9b86edfc166cb98d808e5b082ed8877bb0a69338202384d9b6d65aded388b3e656071f6479de03db72126d600c87c670
SSDEEP

384:aweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZJV:FLq411eRpcnuo

Score

10^/10

latentbot njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

latentbot

C2

jokernet2019.zapto.org

Signatures

LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3300	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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\93080ac71d91ee73a3a32a91629cd207.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\93080ac71d91ee73a3a32a91629cd207.exe	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
4668	chrome.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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\93080ac71d91ee73a3a32a91629cd207 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\93080ac71d91ee73a3a32a91629cd207 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.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	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe
Token: 33	4668	chrome.exe
Token: SeIncBasePriorityPrivilege	4668	chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 4668	4048	b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842.exe	84
PID 4048 wrote to memory of 4668	4048	b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842.exe	84
PID 4048 wrote to memory of 4668	4048	b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842.exe	84
PID 4668 wrote to memory of 3300	4668	chrome.exe	88
PID 4668 wrote to memory of 3300	4668	chrome.exe	88
PID 4668 wrote to memory of 3300	4668	chrome.exe	88

C:\Users\Admin\AppData\Local\Temp\b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842.exe
"C:\Users\Admin\AppData\Local\Temp\b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3300

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\chrome.exe

Filesize
23KB

MD5
19c553768fdae568484a2f94e8cc4853

SHA1
994e146909e21f06fc8b10790ba4d731174b5467

SHA256
b3a4d7c4c5b4a03a8a11dc9f6bb313a4c6da0040f2e45a48dc76ebc3f12d7842

SHA512
214f78635c6cf20d102cd9a44891df7b9b86edfc166cb98d808e5b082ed8877bb0a69338202384d9b6d65aded388b3e656071f6479de03db72126d600c87c670

Download Submit
memory/4048-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

Filesize
4KB

Download
memory/4048-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4048-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4048-13-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4668-12-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4668-15-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4668-14-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/4668-17-0x0000000074D30000-0x00000000752E1000-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