njrat | 1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0

General

Target

1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe
Size

119KB
MD5

ed0fb69234cf9281b84dddaa5fa71e60
SHA1

3ee8c5d283773489bb9eda96c6f482573efa1d3f
SHA256

1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0
SHA512

7aaef7ff5bf7d8261a57058e394214fa06677898ddeb66a131f4015f9431317594dd072aaae36c161e4a58faa3b94370ec9ff996e6b8dac5ce6d68f5133fe9bc
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOS:P5eznsjsguGDFqGZ2rDL14FOS

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
2732	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1692	chargeable.exe
2800	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
3040	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe
3040	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe"	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1692 set thread context of 2800	1692	chargeable.exe	32

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

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	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.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	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe
Token: 33	2800	chargeable.exe
Token: SeIncBasePriorityPrivilege	2800	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 1692	3040	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe	31
PID 3040 wrote to memory of 1692	3040	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe	31
PID 3040 wrote to memory of 1692	3040	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe	31
PID 3040 wrote to memory of 1692	3040	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe	31
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 1692 wrote to memory of 2800	1692	chargeable.exe	32
PID 2800 wrote to memory of 2732	2800	chargeable.exe	33
PID 2800 wrote to memory of 2732	2800	chargeable.exe	33
PID 2800 wrote to memory of 2732	2800	chargeable.exe	33
PID 2800 wrote to memory of 2732	2800	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe
"C:\Users\Admin\AppData\Local\Temp\1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- 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:1692
- - 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:2800
  - - 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:2732

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

Filesize
1KB

MD5
f0cf5b1794eca7cd73f9c020daab8ef2

SHA1
cd040b212f8cd90e629e7acefd14972b68e575ea

SHA256
2af00edce7ef3266897e52dc81e8de3b7a079028c0f1f96eaff9e38ad342f617

SHA512
55c9f22bc101c986b2e83f31e20415031fbf1fbfedd33907487de75069c43c5cfe3ba243025de6b66405925ba506f66d19d9da69af187f499143bc2da71341de

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

Filesize
264B

MD5
271799c601ec4166a5902b831e82f152

SHA1
23a660c7560a1069879b0eabcf2fec050ddf6a52

SHA256
af0ab568a34cf7b3ef6cfe8445e181e88b597de42bf1cffd07de586016441b1f

SHA512
e9cef1de8f60ad0a6e4f31178c7422672f0530267627c3d461b2770810a0c3972d3cb5d9dd13791a5b5272e31dcd04b0d4ae4df201e30d027e443f8ffa26581b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
f5b245e3baa91d1f249a84ba032dfa85

SHA1
5373ac767906b264f5305bd3e31d2621355637fe

SHA256
0cabcde7a2f2b2891c4e7942281dfa7c11ec58b2cb4bd8851380c32694ed4c99

SHA512
ac07d60351d1bed2344f9ff220049a79c060c17fe34fb18e236998d50077c30245b58968f72e21b91e08860fe24d1ba89221a64d819c571d093a6f2beeeee16f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
2a0f841eb1b764a34b8e27066ef7412c

SHA1
809818332a4937a1510626791bbdd13de33c145e

SHA256
32dd315a4784d15d2d3e070809985c66b0613cd059ea22ff953efe5759e07154

SHA512
8b299506b4d8eb33114dca1e1f0c7f14548eda5c29f81d5514256cd7156cc194fe17854a8782f2039f6108fb01fd6a96e55aeeb670e120408fc9aac015cad9e8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1e5a35adf94f0d6c3e6cccd929c4d3f7

SHA1
5e14bd124aa0e2c5b5bb10a0d500cea2575a1de4

SHA256
743b16350159751ee55245ae01d975b3405bbcab8d9c041748b10b8e6287e581

SHA512
86dc1271fad37f6707e08e825537eebbf23583335335fef987dd73c67a0e700031eb7609cb4b9d89d3e9ff4f14b72e06503a26169e0c23b496144a1fc5e19bcb

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabE1BA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE1DC.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
119KB

MD5
e58fab1c4729158d890702bc513c7a6e

SHA1
54e4b51641761eda995387b3d7d243df8c18adfd

SHA256
61cde0f02d0c9fb45423260c9346f3c8dfab1108c449dd0ec7e9814e62fa93f7

SHA512
a1a368e31ae6825056f96dfaa7d3a2f0fd6c947c5af8c72c3f857efcc472f0dfc376c7212c179fdd0879d1802f82df4e574ef721a21d78c65340887d077e2be5

Download Submit
memory/2800-346-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2800-348-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2800-349-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3040-188-0x00000000746F0000-0x0000000074C9B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-179-0x00000000746F0000-0x0000000074C9B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-0-0x00000000746F1000-0x00000000746F2000-memory.dmp

Filesize
4KB

Download
memory/3040-8-0x00000000746F0000-0x0000000074C9B000-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