njrat | eced7b063a64a23060ba6d6830d96dfa21e671a0c25a40820cc271cba7a55c1d

Analysis

max time kernel
114s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 23:32

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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

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
2204	netsh.exe

Executes dropped EXE 5 IoCs

pid	Process
1672	chargeable.exe
2748	chargeable.exe
2056	chargeable.exe
2716	chargeable.exe
2696	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2332	251d47ff1386c6273c43601cd4a1f4a0N.exe
2332	251d47ff1386c6273c43601cd4a1f4a0N.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	251d47ff1386c6273c43601cd4a1f4a0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\251d47ff1386c6273c43601cd4a1f4a0N.exe"	251d47ff1386c6273c43601cd4a1f4a0N.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 2748	1672	chargeable.exe	35
PID 1672 set thread context of 2716	1672	chargeable.exe	34
PID 1672 set thread context of 2056	1672	chargeable.exe	33
PID 1672 set thread context of 2696	1672	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 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	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe
Token: 33	2748	chargeable.exe
Token: SeIncBasePriorityPrivilege	2748	chargeable.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 1672	2332	251d47ff1386c6273c43601cd4a1f4a0N.exe	31
PID 2332 wrote to memory of 1672	2332	251d47ff1386c6273c43601cd4a1f4a0N.exe	31
PID 2332 wrote to memory of 1672	2332	251d47ff1386c6273c43601cd4a1f4a0N.exe	31
PID 2332 wrote to memory of 1672	2332	251d47ff1386c6273c43601cd4a1f4a0N.exe	31
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2748	1672	chargeable.exe	35
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2716	1672	chargeable.exe	34
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2056	1672	chargeable.exe	33
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 1672 wrote to memory of 2696	1672	chargeable.exe	32
PID 2748 wrote to memory of 2204	2748	chargeable.exe	36
PID 2748 wrote to memory of 2204	2748	chargeable.exe	36
PID 2748 wrote to memory of 2204	2748	chargeable.exe	36
PID 2748 wrote to memory of 2204	2748	chargeable.exe	36

C:\Users\Admin\AppData\Local\Temp\251d47ff1386c6273c43601cd4a1f4a0N.exe
"C:\Users\Admin\AppData\Local\Temp\251d47ff1386c6273c43601cd4a1f4a0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- 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:1672
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2696
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2056
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2716
- - 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:2748
  - - 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:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
342B

MD5
eee873ecc2a46369de9b0e130fc35a18

SHA1
fe91b7643bbc258ea6acf526546b46865e8573e8

SHA256
a39891a05fb99398159fcdbb9820ea6e97f126b1adf99ca13c687b501f2af2ba

SHA512
c89eb06ff7581de96fb53fda8b82da449f2a866399e02a7223d574907ac8b1084396ba2d00c891fad1203c49eb8ec09b22be8c36defed111d6145628b6e66045

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

Filesize
342B

MD5
ff48e7a8bf8934f540032697266682fa

SHA1
2f59ca8caa84b6f3f8fe95a33525d28b5ef9cbd8

SHA256
91498704c61f911b8b7153ef6a680f33e97c513dbea70ebc4be18ec214210676

SHA512
407e788a01796addb2114539059dab68e683f0f8675989c673af8c84ad463f86d3fbe25e52212e271ab0b73f2d7145fd3dd16a110b7e5ade56a67963da197b7c

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

Filesize
342B

MD5
54bdac96703979aed1b2d82a9573e8cc

SHA1
1bf9ba834e8de884d2c2e1eb0c9ed6fb0556d0be

SHA256
dac9e468918a117a14c56c602df84788d5a707db2dfb62caae47d1c8408453e9

SHA512
01aad1048f523642e3d5c3f6c3b328afb50bba1c9659bf7b306e16890d461d4b8866f83f18a47219992799a31f6f867a3ac77325e512c04de16ddf7ee6a16372

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabCEB6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarCEC9.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
119KB

MD5
57e8844ca0c93923661be90da16b3ce2

SHA1
9c5fe4556890237c53daa3a72605a160d41e252e

SHA256
2a123d96b37a13b7ece16485c7c56220bf292b72ce2698b5e52a181910cf282a

SHA512
19e2a560a61f8b80912858bd0a610960ee796003c2734bfcd3d17b4776b16cc5e1646363862f9ee6cb2fe28760356a6ecd17fda68caac71cc0d9e767a370fce1

Download Submit
memory/2332-0-0x0000000074EE1000-0x0000000074EE2000-memory.dmp

Filesize
4KB

Download
memory/2332-164-0x0000000074EE0000-0x000000007548B000-memory.dmp

Filesize
5.7MB

Download
memory/2332-174-0x0000000074EE0000-0x000000007548B000-memory.dmp

Filesize
5.7MB

Download
memory/2332-2-0x0000000074EE0000-0x000000007548B000-memory.dmp

Filesize
5.7MB

Download
memory/2332-1-0x0000000074EE0000-0x000000007548B000-memory.dmp

Filesize
5.7MB

Download
memory/2748-341-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2748-340-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2748-338-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads