njrat | 0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db

General

Target

0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db.exe
Size

29KB
MD5

b45d75d086dbb65e165d71cd9cd618fb
SHA1

f3574c9a378dc415be784a09b9426207ed551365
SHA256

0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db
SHA512

831a247480de5302174771bb6b80d6bdbba8e65a2371a1856f1ce49d6220ee4076958a2590b3825c174c6d1e29debcfdb5275b1a2adc09c01c3dc1ca66627f84
SSDEEP

384:aPqvANl7TxTD+VF2dbofPauxnaIuN15708COmqDk9jeHqGBsbh0w4wlAokw9OhgP:Ru75oa4fuTC8cqojeVBKh0p29SgRyu

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

nazeerkira99.no-ip.biz:1177

Mutex

f9be75c5023d5e25b0bbaa6b68899d2b

Attributes

reg_key
f9be75c5023d5e25b0bbaa6b68899d2b
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1788	firefox.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
860	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f9be75c5023d5e25b0bbaa6b68899d2b.exe	firefox.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f9be75c5023d5e25b0bbaa6b68899d2b.exe	firefox.exe

Loads dropped DLL 1 IoCs

pid	Process
1724	0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db.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\f9be75c5023d5e25b0bbaa6b68899d2b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\firefox.exe\" .."	firefox.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\f9be75c5023d5e25b0bbaa6b68899d2b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\firefox.exe\" .."	firefox.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 18 IoCs

pid	Process
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe
1788	firefox.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	firefox.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1788	1724	0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db.exe	27
PID 1724 wrote to memory of 1788	1724	0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db.exe	27
PID 1724 wrote to memory of 1788	1724	0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db.exe	27
PID 1724 wrote to memory of 1788	1724	0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db.exe	27
PID 1788 wrote to memory of 860	1788	firefox.exe	28
PID 1788 wrote to memory of 860	1788	firefox.exe	28
PID 1788 wrote to memory of 860	1788	firefox.exe	28
PID 1788 wrote to memory of 860	1788	firefox.exe	28

C:\Users\Admin\AppData\Local\Temp\0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db.exe
"C:\Users\Admin\AppData\Local\Temp\0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\firefox.exe
  "C:\Users\Admin\AppData\Local\Temp\firefox.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\firefox.exe" "firefox.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:860

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\firefox.exe

Filesize
29KB

MD5
b45d75d086dbb65e165d71cd9cd618fb

SHA1
f3574c9a378dc415be784a09b9426207ed551365

SHA256
0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db

SHA512
831a247480de5302174771bb6b80d6bdbba8e65a2371a1856f1ce49d6220ee4076958a2590b3825c174c6d1e29debcfdb5275b1a2adc09c01c3dc1ca66627f84

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

Filesize
29KB

MD5
b45d75d086dbb65e165d71cd9cd618fb

SHA1
f3574c9a378dc415be784a09b9426207ed551365

SHA256
0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db

SHA512
831a247480de5302174771bb6b80d6bdbba8e65a2371a1856f1ce49d6220ee4076958a2590b3825c174c6d1e29debcfdb5275b1a2adc09c01c3dc1ca66627f84

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

Filesize
29KB

MD5
b45d75d086dbb65e165d71cd9cd618fb

SHA1
f3574c9a378dc415be784a09b9426207ed551365

SHA256
0d743c8de37fd9de973d2af81810435861c220725491215eaa75b368f116d8db

SHA512
831a247480de5302174771bb6b80d6bdbba8e65a2371a1856f1ce49d6220ee4076958a2590b3825c174c6d1e29debcfdb5275b1a2adc09c01c3dc1ca66627f84

Download Submit
memory/1724-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/1724-61-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/1788-63-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/1788-64-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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