njrat | c2fd541bd7b67e4e2805e9b5c1a845b7fba99aa661b4baa4a19463f4d80f2180

General

Target

2382ef6630623f1e65fd01eff95e58d8.exe
Size

32KB
MD5

2382ef6630623f1e65fd01eff95e58d8
SHA1

07bcb0e3b6906975403393e0a8a22d380e155071
SHA256

c2fd541bd7b67e4e2805e9b5c1a845b7fba99aa661b4baa4a19463f4d80f2180
SHA512

5e15b969dd9909b858438957d3ca6c964ad427e8ea1b9677144240419f868c21722fd8dea4b79de91f70eda7fe692a7088b9a1e78e4e14665e86c44b93ef1eb3
SSDEEP

384:oc6CqbFYh3odrVCGiHssDB4b6i6fgpEupNXRmRvR6JZlbw8hqIusZzZYLvwN7Ar1:XIU0tw3Rpcnu9vwKpMRa6Q

Score

10^/10

njrat vitimasnzx evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

VitimasNZX

C2

zlkdominokk.duckdns.org:5552

Mutex

8cef2a6924489727faa84c3104bc9401

Attributes

reg_key
8cef2a6924489727faa84c3104bc9401
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
1372	Discord.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1164	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8cef2a6924489727faa84c3104bc9401.exe	Discord.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8cef2a6924489727faa84c3104bc9401.exe	Discord.exe

Loads dropped DLL 1 IoCs

pid	Process
992	2382ef6630623f1e65fd01eff95e58d8.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\8cef2a6924489727faa84c3104bc9401 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Discord.exe\" .."	Discord.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8cef2a6924489727faa84c3104bc9401 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Discord.exe\" .."	Discord.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe
Token: 33	1372	Discord.exe
Token: SeIncBasePriorityPrivilege	1372	Discord.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 992 wrote to memory of 1372	992	2382ef6630623f1e65fd01eff95e58d8.exe	27
PID 992 wrote to memory of 1372	992	2382ef6630623f1e65fd01eff95e58d8.exe	27
PID 992 wrote to memory of 1372	992	2382ef6630623f1e65fd01eff95e58d8.exe	27
PID 992 wrote to memory of 1372	992	2382ef6630623f1e65fd01eff95e58d8.exe	27
PID 1372 wrote to memory of 1164	1372	Discord.exe	28
PID 1372 wrote to memory of 1164	1372	Discord.exe	28
PID 1372 wrote to memory of 1164	1372	Discord.exe	28
PID 1372 wrote to memory of 1164	1372	Discord.exe	28

C:\Users\Admin\AppData\Local\Temp\2382ef6630623f1e65fd01eff95e58d8.exe
"C:\Users\Admin\AppData\Local\Temp\2382ef6630623f1e65fd01eff95e58d8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:992
- C:\Users\Admin\AppData\Roaming\Discord.exe
  "C:\Users\Admin\AppData\Roaming\Discord.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Discord.exe" "Discord.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1164

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Discord.exe

Filesize
32KB

MD5
2382ef6630623f1e65fd01eff95e58d8

SHA1
07bcb0e3b6906975403393e0a8a22d380e155071

SHA256
c2fd541bd7b67e4e2805e9b5c1a845b7fba99aa661b4baa4a19463f4d80f2180

SHA512
5e15b969dd9909b858438957d3ca6c964ad427e8ea1b9677144240419f868c21722fd8dea4b79de91f70eda7fe692a7088b9a1e78e4e14665e86c44b93ef1eb3

Download Submit
C:\Users\Admin\AppData\Roaming\Discord.exe

Filesize
32KB

MD5
2382ef6630623f1e65fd01eff95e58d8

SHA1
07bcb0e3b6906975403393e0a8a22d380e155071

SHA256
c2fd541bd7b67e4e2805e9b5c1a845b7fba99aa661b4baa4a19463f4d80f2180

SHA512
5e15b969dd9909b858438957d3ca6c964ad427e8ea1b9677144240419f868c21722fd8dea4b79de91f70eda7fe692a7088b9a1e78e4e14665e86c44b93ef1eb3

Download Submit
\Users\Admin\AppData\Roaming\Discord.exe

Filesize
32KB

MD5
2382ef6630623f1e65fd01eff95e58d8

SHA1
07bcb0e3b6906975403393e0a8a22d380e155071

SHA256
c2fd541bd7b67e4e2805e9b5c1a845b7fba99aa661b4baa4a19463f4d80f2180

SHA512
5e15b969dd9909b858438957d3ca6c964ad427e8ea1b9677144240419f868c21722fd8dea4b79de91f70eda7fe692a7088b9a1e78e4e14665e86c44b93ef1eb3

Download Submit
memory/992-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/992-55-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/992-61-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-62-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-65-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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