njrat | 49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397

General

Target

49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397.exe
Size

29KB
MD5

3bfb57dfa93fe960b3c3125049b87d10
SHA1

572e1dfb906b05e26512a4861ea1d6767d9ee154
SHA256

49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397
SHA512

e48639d10accf07baf55e061d2a06427356a2e4ce894ace3a0ca2466da3ebf70cebaa8b26f588611090e3fb065480f52527e9ef942435a84c2e1166b913d5861
SSDEEP

768:Yj77ucYfKQTtzjAqc3eUBKh0p29SgRnk:07hWVUJZKhG29jnk

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

chalohacker.no-ip.org:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2040	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1836	netsh.exe

Loads dropped DLL 1 IoCs

pid	Process
1352	49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe
2040	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 2040	1352	49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397.exe	27
PID 1352 wrote to memory of 2040	1352	49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397.exe	27
PID 1352 wrote to memory of 2040	1352	49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397.exe	27
PID 1352 wrote to memory of 2040	1352	49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397.exe	27
PID 2040 wrote to memory of 1836	2040	Trojan.exe	28
PID 2040 wrote to memory of 1836	2040	Trojan.exe	28
PID 2040 wrote to memory of 1836	2040	Trojan.exe	28
PID 2040 wrote to memory of 1836	2040	Trojan.exe	28

C:\Users\Admin\AppData\Local\Temp\49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397.exe
"C:\Users\Admin\AppData\Local\Temp\49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1836

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\Local\Temp\Trojan.exe

Filesize
29KB

MD5
3bfb57dfa93fe960b3c3125049b87d10

SHA1
572e1dfb906b05e26512a4861ea1d6767d9ee154

SHA256
49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397

SHA512
e48639d10accf07baf55e061d2a06427356a2e4ce894ace3a0ca2466da3ebf70cebaa8b26f588611090e3fb065480f52527e9ef942435a84c2e1166b913d5861

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
3bfb57dfa93fe960b3c3125049b87d10

SHA1
572e1dfb906b05e26512a4861ea1d6767d9ee154

SHA256
49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397

SHA512
e48639d10accf07baf55e061d2a06427356a2e4ce894ace3a0ca2466da3ebf70cebaa8b26f588611090e3fb065480f52527e9ef942435a84c2e1166b913d5861

Download Submit
\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
3bfb57dfa93fe960b3c3125049b87d10

SHA1
572e1dfb906b05e26512a4861ea1d6767d9ee154

SHA256
49cf6f89e0a9ef1f6a6459cab972bfc1e96e64e7296863c165a4e5e200902397

SHA512
e48639d10accf07baf55e061d2a06427356a2e4ce894ace3a0ca2466da3ebf70cebaa8b26f588611090e3fb065480f52527e9ef942435a84c2e1166b913d5861

Download Submit
memory/1352-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1352-55-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download
memory/1352-61-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download
memory/2040-64-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download
memory/2040-65-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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