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

Executes dropped EXE 1 IoCs

pid	Process
2244	server.exe

Loads dropped DLL 1 IoCs

pid	Process
1280	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/3056-27-0x0000000000400000-0x00000000004DC000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3056-0-0x0000000000400000-0x00000000004DC000-memory.dmp	upx
behavioral1/memory/3056-27-0x0000000000400000-0x00000000004DC000-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	server.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 1040	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	30
PID 3056 wrote to memory of 1040	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	30
PID 3056 wrote to memory of 1040	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	30
PID 3056 wrote to memory of 1040	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	30
PID 3056 wrote to memory of 2348	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	31
PID 3056 wrote to memory of 2348	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	31
PID 3056 wrote to memory of 2348	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	31
PID 3056 wrote to memory of 2348	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	31
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 3056 wrote to memory of 1280	3056	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	32
PID 1280 wrote to memory of 2244	1280	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	33
PID 1280 wrote to memory of 2244	1280	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	33
PID 1280 wrote to memory of 2244	1280	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	33
PID 1280 wrote to memory of 2244	1280	JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe	33

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:3056
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  2⤵
  PID:1040
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  2⤵
  PID:2348
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b7bb54c0837e6e8623ea67a021ae120.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Users\Admin\AppData\Roaming\server.exe
    "C:\Users\Admin\AppData\Roaming\server.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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
42ccd69a3be9618d329de0ea0fde3a81

SHA1
47e9897f303496eb9cd5883f9cdb283b6eee65d3

SHA256
14137fcc8697e967b251fd0fafbdf79af8db4c1a67f2eafe53756e3ad80a9bef

SHA512
33d95b20ce606441c89dbc575c8e884196a19db056ffd9d54a5e0c57f3928b0d064b6270e4abf033046606e0456156faba3f3a8e6a353e924a7461e61e46bfae

Download Submit
memory/1280-6-0x00000000000C0000-0x00000000001BA000-memory.dmp

Filesize
1000KB

Download
memory/1280-16-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1280-39-0x0000000074520000-0x0000000074ACB000-memory.dmp

Filesize
5.7MB

Download
memory/1280-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-30-0x0000000074520000-0x0000000074ACB000-memory.dmp

Filesize
5.7MB

Download
memory/1280-29-0x0000000074520000-0x0000000074ACB000-memory.dmp

Filesize
5.7MB

Download
memory/1280-28-0x0000000074521000-0x0000000074522000-memory.dmp

Filesize
4KB

Download
memory/1280-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2244-40-0x0000000074520000-0x0000000074ACB000-memory.dmp

Filesize
5.7MB

Download
memory/2244-41-0x0000000074520000-0x0000000074ACB000-memory.dmp

Filesize
5.7MB

Download
memory/3056-1-0x0000000002FD0000-0x0000000003130000-memory.dmp

Filesize
1.4MB

Download
memory/3056-27-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

Download
memory/3056-3-0x0000000002FD0000-0x0000000003130000-memory.dmp

Filesize
1.4MB

Download
memory/3056-5-0x0000000003E60000-0x0000000003F3C000-memory.dmp

Filesize
880KB

Download
memory/3056-0-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

Download
memory/3056-4-0x00000000001E0000-0x00000000001E4000-memory.dmp

Filesize
16KB

Download

Analysis

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