njrat | 8979aebe1dc869fc5b8ac1b53ab72350686676866c9228c07e2b964382bfe733

General

Target

virussign.com_2d39049483410c1ca95d39796f5e5f80.exe
Size

115KB
MD5

2d39049483410c1ca95d39796f5e5f80
SHA1

bb1823bf3aec535aba9e09d13b75839097beaf86
SHA256

8979aebe1dc869fc5b8ac1b53ab72350686676866c9228c07e2b964382bfe733
SHA512

b2b07fcb9110352389c4e0938582eb1461109ed5c421f144cf7696e1dbc8ce1c386dbbccd75745c199c2679418ac7f8eb6fe3efd09b877093b22cb6af4283334
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIAP:P5eznsjsguGDFqGZ2rDIk

Score

10^/10

njrat neuf evasion persistence 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
468	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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	virussign.com_2d39049483410c1ca95d39796f5e5f80.exe

Executes dropped EXE 2 IoCs

pid	Process
2556	chargeable.exe
116	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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	virussign.com_2d39049483410c1ca95d39796f5e5f80.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\virussign.com_2d39049483410c1ca95d39796f5e5f80.exe"	virussign.com_2d39049483410c1ca95d39796f5e5f80.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2556 set thread context of 116	2556	chargeable.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe
Token: 33	116	chargeable.exe
Token: SeIncBasePriorityPrivilege	116	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 2556	1516	virussign.com_2d39049483410c1ca95d39796f5e5f80.exe	93
PID 1516 wrote to memory of 2556	1516	virussign.com_2d39049483410c1ca95d39796f5e5f80.exe	93
PID 1516 wrote to memory of 2556	1516	virussign.com_2d39049483410c1ca95d39796f5e5f80.exe	93
PID 2556 wrote to memory of 116	2556	chargeable.exe	94
PID 2556 wrote to memory of 116	2556	chargeable.exe	94
PID 2556 wrote to memory of 116	2556	chargeable.exe	94
PID 2556 wrote to memory of 116	2556	chargeable.exe	94
PID 2556 wrote to memory of 116	2556	chargeable.exe	94
PID 2556 wrote to memory of 116	2556	chargeable.exe	94
PID 2556 wrote to memory of 116	2556	chargeable.exe	94
PID 2556 wrote to memory of 116	2556	chargeable.exe	94
PID 116 wrote to memory of 468	116	chargeable.exe	95
PID 116 wrote to memory of 468	116	chargeable.exe	95
PID 116 wrote to memory of 468	116	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\virussign.com_2d39049483410c1ca95d39796f5e5f80.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_2d39049483410c1ca95d39796f5e5f80.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:116
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:468

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

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

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

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
115KB

MD5
3d051c29b00913667f77a7a15462e7ba

SHA1
6d3c5323aab6cdb68eba1783acf2b630a7ac84d2

SHA256
58d160a942f3ff613eaaacdbe1d4a734339ee88eedb5a9021e92311f7fc131c3

SHA512
0f79843c2e6012565e2c472b520eaaec7e3f53e932671712b8014679df81d03cac312af7f760470406dd2a362369d71d5b42b486e1470039b270b780cacc0ac6

Download Submit
memory/116-25-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/116-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/116-24-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/116-26-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/116-28-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/116-29-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/1516-2-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/1516-18-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/1516-1-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/1516-0-0x00000000751B2000-0x00000000751B3000-memory.dmp

Filesize
4KB

Download
memory/2556-17-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/2556-19-0x00000000751B0000-0x0000000075761000-memory.dmp

Filesize
5.7MB

Download
memory/2556-27-0x00000000751B0000-0x0000000075761000-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