njrat | a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb

General

Target

a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
Size

115KB
MD5

6e969005cdd76dbd9d165152e7809863
SHA1

9d61a85b63175b898fbdce93c75f779944864166
SHA256

a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb
SHA512

333d8b8f95ee7f33635c4d99b7258730f5393cdd510a619c968c28404d3f7eb0e58ad2dcad76aa537b36c6e4e5c911252cbd13ec1b8aa98e68ad1fc455bd0257
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R8fLl:w5eznsjsguGDFqGx8egoxmO3rR8Tl

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

Njrat family
njrat
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
2600	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe

Executes dropped EXE 3 IoCs

pid	Process
544	chargeable.exe
4224	chargeable.exe
3464	chargeable.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe"	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 544 set thread context of 4224	544	chargeable.exe	84
PID 544 set thread context of 3464	544	chargeable.exe	83

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4764	3464	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 4 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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe
Token: 33	4224	chargeable.exe
Token: SeIncBasePriorityPrivilege	4224	chargeable.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 544	4960	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe	82
PID 4960 wrote to memory of 544	4960	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe	82
PID 4960 wrote to memory of 544	4960	a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe	82
PID 544 wrote to memory of 3464	544	chargeable.exe	83
PID 544 wrote to memory of 3464	544	chargeable.exe	83
PID 544 wrote to memory of 3464	544	chargeable.exe	83
PID 544 wrote to memory of 4224	544	chargeable.exe	84
PID 544 wrote to memory of 4224	544	chargeable.exe	84
PID 544 wrote to memory of 4224	544	chargeable.exe	84
PID 544 wrote to memory of 4224	544	chargeable.exe	84
PID 544 wrote to memory of 4224	544	chargeable.exe	84
PID 544 wrote to memory of 4224	544	chargeable.exe	84
PID 544 wrote to memory of 4224	544	chargeable.exe	84
PID 544 wrote to memory of 4224	544	chargeable.exe	84
PID 544 wrote to memory of 3464	544	chargeable.exe	83
PID 544 wrote to memory of 3464	544	chargeable.exe	83
PID 544 wrote to memory of 3464	544	chargeable.exe	83
PID 544 wrote to memory of 3464	544	chargeable.exe	83
PID 544 wrote to memory of 3464	544	chargeable.exe	83
PID 4224 wrote to memory of 2600	4224	chargeable.exe	90
PID 4224 wrote to memory of 2600	4224	chargeable.exe	90
PID 4224 wrote to memory of 2600	4224	chargeable.exe	90

C:\Users\Admin\AppData\Local\Temp\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
"C:\Users\Admin\AppData\Local\Temp\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:3464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 80
      4⤵
      Program crash
      PID:4764
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4224
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3464 -ip 3464
1⤵
PID:380

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
115KB

MD5
a1d5ec4a890f9fc89a043f1c8021cbbe

SHA1
a274c5a54ae38400f30eb4a082727c33eee80cd1

SHA256
a159974c8387614dd726d21b6afd4d5fc36322f3455eb9d07b0f42f361f983e7

SHA512
c0fbd71e7b29534aace05fdc187b66a2c6aa9aff94cd8f5db7dc0e6acfe0afefe647d7437292ce78328bca0da2e1b237c0bce3b7998825531fd6702f5c8e9a84

Download Submit
memory/544-30-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/544-21-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/544-22-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4224-29-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4224-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4224-31-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4224-32-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4960-20-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4960-19-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4960-7-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4960-6-0x0000000074852000-0x0000000074853000-memory.dmp

Filesize
4KB

Download
memory/4960-2-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4960-0-0x0000000074852000-0x0000000074853000-memory.dmp

Filesize
4KB

Download
memory/4960-1-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads