njrat | eced7b063a64a23060ba6d6830d96dfa21e671a0c25a40820cc271cba7a55c1d

General

Target

251d47ff1386c6273c43601cd4a1f4a0N.exe
Size

119KB
MD5

251d47ff1386c6273c43601cd4a1f4a0
SHA1

42dde20152525fc8e9f0bbcdd85e311427fead6a
SHA256

eced7b063a64a23060ba6d6830d96dfa21e671a0c25a40820cc271cba7a55c1d
SHA512

897a27999ea9585d27cc68c73e79c2518ae9f1854c4fff8620c173ef581025f79c4722f666ea2afc6a1ca6798dcf3e02f04859e3687559d412cbe14f6db7ec8a
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOg:P5eznsjsguGDFqGZ2rDL14FOg

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/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
3632	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	251d47ff1386c6273c43601cd4a1f4a0N.exe

Executes dropped EXE 2 IoCs

pid	Process
4752	chargeable.exe
3756	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\251d47ff1386c6273c43601cd4a1f4a0N.exe"	251d47ff1386c6273c43601cd4a1f4a0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	251d47ff1386c6273c43601cd4a1f4a0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4752 set thread context of 3756	4752	chargeable.exe	94

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 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	251d47ff1386c6273c43601cd4a1f4a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe
Token: 33	3756	chargeable.exe
Token: SeIncBasePriorityPrivilege	3756	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 4752	2564	251d47ff1386c6273c43601cd4a1f4a0N.exe	91
PID 2564 wrote to memory of 4752	2564	251d47ff1386c6273c43601cd4a1f4a0N.exe	91
PID 2564 wrote to memory of 4752	2564	251d47ff1386c6273c43601cd4a1f4a0N.exe	91
PID 4752 wrote to memory of 3756	4752	chargeable.exe	94
PID 4752 wrote to memory of 3756	4752	chargeable.exe	94
PID 4752 wrote to memory of 3756	4752	chargeable.exe	94
PID 4752 wrote to memory of 3756	4752	chargeable.exe	94
PID 4752 wrote to memory of 3756	4752	chargeable.exe	94
PID 4752 wrote to memory of 3756	4752	chargeable.exe	94
PID 4752 wrote to memory of 3756	4752	chargeable.exe	94
PID 4752 wrote to memory of 3756	4752	chargeable.exe	94
PID 3756 wrote to memory of 3632	3756	chargeable.exe	95
PID 3756 wrote to memory of 3632	3756	chargeable.exe	95
PID 3756 wrote to memory of 3632	3756	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\251d47ff1386c6273c43601cd4a1f4a0N.exe
"C:\Users\Admin\AppData\Local\Temp\251d47ff1386c6273c43601cd4a1f4a0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564
- 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:4752
- - 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:3756
  - - 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:3632

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\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
119KB

MD5
c22a79dab92fc2e0f7c4efc377ac49ea

SHA1
32658953379006260c58089adde764e253402206

SHA256
db88fafe35c1e7505f1d5afd22b08168edc7352977cde7a5c0d1cfd0a46d5c47

SHA512
f11380a723143b819245410b44716a29946d0038882d46714002eb8632f461d5454534a60297b7f23160d56d928f801ebcd14e109e486d78a622af8daf5e6ecb

Download Submit
memory/2564-20-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/2564-1-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/2564-7-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/2564-2-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/2564-19-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/2564-6-0x0000000074B92000-0x0000000074B93000-memory.dmp

Filesize
4KB

Download
memory/2564-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

Filesize
4KB

Download
memory/3756-27-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/3756-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3756-29-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/3756-30-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/3756-31-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4752-22-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4752-21-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4752-28-0x0000000074B90000-0x0000000075141000-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