njrat | f34c57376a27fec5fe0c3ddacd9a1c697afba6f99e829b0a66b2e030b60221d5

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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

Processes:

netsh.exe

pid	Process
628	netsh.exe

Executes dropped EXE 4 IoCs

Processes:

M.exeM.exesvchost.exesvchost.exe

pid	Process
1668	M.exe
2832	M.exe
796	svchost.exe
1704	svchost.exe

Loads dropped DLL 10 IoCs

Processes:

9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exeM.exeM.exesvchost.exesvchost.exe

pid	Process
1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe
1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe
1668	M.exe
1668	M.exe
2832	M.exe
2832	M.exe
2832	M.exe
796	svchost.exe
796	svchost.exe
1704	svchost.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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
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

Suspicious use of SetThreadContext 2 IoCs

Processes:

M.exesvchost.exe

description	pid	Process	procid_target
PID 1668 set thread context of 2832	1668	M.exe	31
PID 796 set thread context of 1704	796	svchost.exe	33

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/files/0x000a000000016d0c-4.dat	upx
behavioral1/memory/1668-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1668-16-0x0000000000230000-0x0000000000285000-memory.dmp	upx
behavioral1/memory/1668-27-0x0000000000460000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1668-54-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/796-67-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/796-105-0x0000000000400000-0x0000000000455000-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

Processes:

netsh.exe

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

Processes:

svchost.exesvchost.exenetsh.exe9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exeM.exeM.exe

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 4 IoCs

Processes:

M.exesvchost.exe

pid	Process
1668	M.exe
1668	M.exe
796	svchost.exe
796	svchost.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

svchost.exe

description	pid	Process
Token: SeDebugPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe
Token: 33	1704	svchost.exe
Token: SeIncBasePriorityPrivilege	1704	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

M.exesvchost.exe

pid	Process
1668	M.exe
1668	M.exe
796	svchost.exe
796	svchost.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exeM.exeM.exesvchost.exesvchost.exe

description	pid	Process	procid_target
PID 1296 wrote to memory of 1668	1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	30
PID 1296 wrote to memory of 1668	1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	30
PID 1296 wrote to memory of 1668	1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	30
PID 1296 wrote to memory of 1668	1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	30
PID 1296 wrote to memory of 1668	1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	30
PID 1296 wrote to memory of 1668	1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	30
PID 1296 wrote to memory of 1668	1296	9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe	30
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 1668 wrote to memory of 2832	1668	M.exe	31
PID 2832 wrote to memory of 796	2832	M.exe	32
PID 2832 wrote to memory of 796	2832	M.exe	32
PID 2832 wrote to memory of 796	2832	M.exe	32
PID 2832 wrote to memory of 796	2832	M.exe	32
PID 2832 wrote to memory of 796	2832	M.exe	32
PID 2832 wrote to memory of 796	2832	M.exe	32
PID 2832 wrote to memory of 796	2832	M.exe	32
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 796 wrote to memory of 1704	796	svchost.exe	33
PID 1704 wrote to memory of 628	1704	svchost.exe	34
PID 1704 wrote to memory of 628	1704	svchost.exe	34
PID 1704 wrote to memory of 628	1704	svchost.exe	34
PID 1704 wrote to memory of 628	1704	svchost.exe	34
PID 1704 wrote to memory of 628	1704	svchost.exe	34
PID 1704 wrote to memory of 628	1704	svchost.exe	34
PID 1704 wrote to memory of 628	1704	svchost.exe	34

C:\Users\Admin\AppData\Local\Temp\9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9b1997e5e05ed0d1674baf0e1859230b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2832
  - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:796
    - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
        
        C:\Users\Admin\AppData\Local\Temp\svchost.exe
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1704
      - 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:628

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

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
42ccd69a3be9618d329de0ea0fde3a81

SHA1
47e9897f303496eb9cd5883f9cdb283b6eee65d3

SHA256
14137fcc8697e967b251fd0fafbdf79af8db4c1a67f2eafe53756e3ad80a9bef

SHA512
33d95b20ce606441c89dbc575c8e884196a19db056ffd9d54a5e0c57f3928b0d064b6270e4abf033046606e0456156faba3f3a8e6a353e924a7461e61e46bfae

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startupx\system.pif

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

Filesize
128KB

MD5
db2fcc021b929e2d14f3ebec77f8c32c

SHA1
cef4bcb422e32c76204843199bacb16061908b11

SHA256
487f588ac00cf70bfef28622fe18452513bbefc4abb8fff838b495db733487d2

SHA512
839104daff12c15cab54dedae79b2aa4175dcfeed98e90e27a09e1a0633c8228553c0e909530ce68098d66e97ada4f425681739bf131a194c4c6ade8920ce0b6

Download Submit
memory/796-105-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/796-81-0x00000000005F0000-0x0000000000645000-memory.dmp

Filesize
340KB

Download
memory/796-67-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1296-13-0x0000000000180000-0x00000000001D5000-memory.dmp

Filesize
340KB

Download
memory/1296-11-0x0000000000180000-0x00000000001D5000-memory.dmp

Filesize
340KB

Download
memory/1668-54-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1668-55-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/1668-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1668-16-0x0000000000230000-0x0000000000285000-memory.dmp

Filesize
340KB

Download
memory/1668-24-0x0000000000250000-0x0000000000255000-memory.dmp

Filesize
20KB

Download
memory/1668-27-0x0000000000460000-0x00000000004B5000-memory.dmp

Filesize
340KB

Download
memory/1704-102-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/1704-101-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-36-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-66-0x0000000002AF0000-0x0000000002B45000-memory.dmp

Filesize
340KB

Download
memory/2832-39-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-29-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-28-0x0000000000300000-0x0000000000400000-memory.dmp

Filesize
1024KB

Download
memory/2832-45-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-49-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-42-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-65-0x0000000002AF0000-0x0000000002B45000-memory.dmp

Filesize
340KB

Download
memory/2832-51-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-37-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-33-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-32-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2832-43-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download