njrat | 5a57b32a2e8709e68ee1de3feed7a0c3b79ee12da60fca5dab1594dec6a980ab

General

Target

JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
Size

424KB
MD5

5b7bb54c0837e6e8623ea67a021ae120
SHA1

63ecd5b3acdd259329b0392eb8c702340c00f349
SHA256

5a57b32a2e8709e68ee1de3feed7a0c3b79ee12da60fca5dab1594dec6a980ab
SHA512

26464aa451addb04a88792cec3c4cf3f66c1f79bcd5818fb8e5a7889d91a5cced1f30ce750b2e093af0ca04dd756bc656454ebfdce48358a6586f85542be1d47
SSDEEP

12288:vFJs3XraGmcmd/26o9juQ+pDQZP4dEin3EsYYbTu:vjs3XFxxpJ+pDKDin0VoTu

Score

10^/10

njrat hacked discovery trojan upx

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

rachime-72.myq-see.com:1177

Mutex

5e68e5e7f56590c698c30ba694280dc7

Attributes

reg_key
5e68e5e7f56590c698c30ba694280dc7
splitter
|'|'|

Signatures

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

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1164-9-0x0000000000400000-0x00000000004DC000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1164 set thread context of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1164-0-0x0000000000400000-0x00000000004DC000-memory.dmp	upx
behavioral2/memory/1164-9-0x0000000000400000-0x00000000004DC000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe

Suspicious behavior: RenamesItself 2 IoCs

pid	Process
1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	4984	dw20.exe
Token: SeBackupPrivilege	4984	dw20.exe
Token: SeBackupPrivilege	4984	dw20.exe
Token: SeBackupPrivilege	4984	dw20.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 4308	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	82
PID 1164 wrote to memory of 4308	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	82
PID 1164 wrote to memory of 4308	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	82
PID 1164 wrote to memory of 1660	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	83
PID 1164 wrote to memory of 1660	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	83
PID 1164 wrote to memory of 1660	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	83
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 1164 wrote to memory of 5100	1164	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	84
PID 5100 wrote to memory of 4984	5100	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	85
PID 5100 wrote to memory of 4984	5100	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	85
PID 5100 wrote to memory of 4984	5100	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  2⤵
  PID:4308
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  2⤵
  PID:1660
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5100
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 796
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe

Filesize
104KB

MD5
7bae06cbe364bb42b8c34fcfb90e3ebd

SHA1
79129af7efa46244da0676607242f0a6b7e12e78

SHA256
6ceaebd55b4a542ef64be1d6971fcfe802e67e2027366c52faacc8a8d325ec7a

SHA512
c599b72500a5c17cd5c4a81fcf220a95925aa0e5ad72aa92dd1a469fe6e3c23590c548a0be7ec2c4dbd737511a0a79c1c46436867cf7f0c4df21f8dcea9686cf

Download Submit
memory/1164-0-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

Download
memory/1164-1-0x00000000042B0000-0x0000000004410000-memory.dmp

Filesize
1.4MB

Download
memory/1164-2-0x0000000000C70000-0x0000000000C74000-memory.dmp

Filesize
16KB

Download
memory/1164-9-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

Download
memory/5100-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5100-6-0x0000000073912000-0x0000000073913000-memory.dmp

Filesize
4KB

Download
memory/5100-10-0x0000000073910000-0x0000000073EC1000-memory.dmp

Filesize
5.7MB

Download
memory/5100-11-0x0000000073910000-0x0000000073EC1000-memory.dmp

Filesize
5.7MB

Download
memory/5100-18-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/5100-19-0x0000000073910000-0x0000000073EC1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads