njrat | f34c57376a27fec5fe0c3ddacd9a1c697afba6f99e829b0a66b2e030b60221d5

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2024, 11:08

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General

Target

9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe
Size

297KB
MD5

9b1997e5e05ed0d1674baf0e1859230b
SHA1

90d2852c7c09b52dd06e07491c7cf421775beca9
SHA256

f34c57376a27fec5fe0c3ddacd9a1c697afba6f99e829b0a66b2e030b60221d5
SHA512

ae1e64928eba0157e73637fce89b47051999ca4ef9885ab953018d0ed9226629e0f724b016e01e882c32ee3782386558dba10425e908b54ad9826e5392594a5e
SSDEEP

3072:8nj9jtfU+INndIc0JC5iJTHpdN3w1XtDzmTSRK4O9AKibsjUiNNAkImk9nK1yF+1:8jbeiZJrApJEUANpSkoKc2A7+S9y

Score

10^/10

njrat nl discovery evasion persistence privilege_escalation trojan upx

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

45.32.244.221:5552

Mutex

90118d86d7ea3bfd271b06bbeb742f49

Attributes

reg_key
90118d86d7ea3bfd271b06bbeb742f49
splitter
|'|'|

Signatures

Njrat family
njrat
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
824	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	M.exe

Executes dropped EXE 4 IoCs

pid	Process
2396	M.exe
1504	M.exe
3692	svchost.exe
2672	svchost.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\90118d86d7ea3bfd271b06bbeb742f49 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\90118d86d7ea3bfd271b06bbeb742f49 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 1504	2396	M.exe	84
PID 3692 set thread context of 2672	3692	svchost.exe	95

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0008000000023c86-5.dat	upx
behavioral2/memory/2396-6-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2396-24-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3692-49-0x0000000000400000-0x0000000000455000-memory.dmp	upx

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 6 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2396	M.exe
2396	M.exe
2396	M.exe
2396	M.exe
3692	svchost.exe
3692	svchost.exe
3692	svchost.exe
3692	svchost.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe
Token: 33	2672	svchost.exe
Token: SeIncBasePriorityPrivilege	2672	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2396	M.exe
2396	M.exe
3692	svchost.exe
3692	svchost.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 2396	4696	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	83
PID 4696 wrote to memory of 2396	4696	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	83
PID 4696 wrote to memory of 2396	4696	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	83
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 2396 wrote to memory of 1504	2396	M.exe	84
PID 1504 wrote to memory of 3692	1504	M.exe	93
PID 1504 wrote to memory of 3692	1504	M.exe	93
PID 1504 wrote to memory of 3692	1504	M.exe	93
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 3692 wrote to memory of 2672	3692	svchost.exe	95
PID 2672 wrote to memory of 824	2672	svchost.exe	100
PID 2672 wrote to memory of 824	2672	svchost.exe	100
PID 2672 wrote to memory of 824	2672	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3692
    - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
        
        C:\Users\Admin\AppData\Local\Temp\svchost.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2672
      - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:824

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.ex_

Filesize
108KB

MD5
05a5060f09a02a6fadca65dddc5e3e5b

SHA1
d4d7bab5299f62f01f602789d499e303adae2a87

SHA256
f6a2f32853c42f50812a521452baf9918cc882bcb3589f91990bcafbfd2d8648

SHA512
a5b1e0d0ec39c6de9468b5f45554c5cf6147f07c7df0956b268749d056f7ef0b3f9997c48114a23d094ba1f76754877f07fde923521dc8ab86346f1efb9a20e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe

Filesize
104KB

MD5
7bae06cbe364bb42b8c34fcfb90e3ebd

SHA1
79129af7efa46244da0676607242f0a6b7e12e78

SHA256
6ceaebd55b4a542ef64be1d6971fcfe802e67e2027366c52faacc8a8d325ec7a

SHA512
c599b72500a5c17cd5c4a81fcf220a95925aa0e5ad72aa92dd1a469fe6e3c23590c548a0be7ec2c4dbd737511a0a79c1c46436867cf7f0c4df21f8dcea9686cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe

Filesize
128KB

MD5
db2fcc021b929e2d14f3ebec77f8c32c

SHA1
cef4bcb422e32c76204843199bacb16061908b11

SHA256
487f588ac00cf70bfef28622fe18452513bbefc4abb8fff838b495db733487d2

SHA512
839104daff12c15cab54dedae79b2aa4175dcfeed98e90e27a09e1a0633c8228553c0e909530ce68098d66e97ada4f425681739bf131a194c4c6ade8920ce0b6

Download Submit
memory/1504-17-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/1504-21-0x0000000073A62000-0x0000000073A63000-memory.dmp

Filesize
4KB

Download
memory/1504-22-0x0000000073A60000-0x0000000074011000-memory.dmp

Filesize
5.7MB

Download
memory/1504-23-0x0000000073A60000-0x0000000074011000-memory.dmp

Filesize
5.7MB

Download
memory/1504-38-0x0000000073A60000-0x0000000074011000-memory.dmp

Filesize
5.7MB

Download
memory/2396-6-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2396-15-0x00000000007F0000-0x00000000007F5000-memory.dmp

Filesize
20KB

Download
memory/2396-24-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3692-49-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download