njrat | de678f60098dac80ab0716c1f69c4f7c02ce69226b3bf31482d2c4c2d9184096

General

Target

4bcdc27a278c1cec0de3fef56254fba8_JaffaCakes118.exe
Size

659KB
MD5

4bcdc27a278c1cec0de3fef56254fba8
SHA1

6ae25705ca1aa619256a0159c3feeec8becadaf4
SHA256

de678f60098dac80ab0716c1f69c4f7c02ce69226b3bf31482d2c4c2d9184096
SHA512

816200ed4669c25072203dfc710747468c800c6de64bcadbe237bbeab8776de110d5ad728f4571af2bde2ab530cd21b71daa2f9d27a5202613460ef2bbf68fcb
SSDEEP

3072:DuKvE9w8UGWfGyO76ePG/P2vHPTjfLnvzbSqPnKjxSvGvm2NvWHfOBaaOqePefCg:Dbv2f2GhNP2GhNIPjG

Score

10^/10

njrat <<0 @ 0>>persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7 MultiHost

Botnet

<<0 @ 0>>

C2

yuotube.myq-see.com:5829

microsoft.serveirc.com:5829

Mutex

ff39ba5283948d2c33635afb7ea5801a

Attributes

reg_key
ff39ba5283948d2c33635afb7ea5801a
splitter
!~@~#~$~%~^~&~!

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
2468	Bandizip.exe
1852	Bandizip.exe
2096	Bandizip.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\ff39ba5283948d2c33635afb7ea5801a = "\"C:\\Users\\Admin\\AppData\\Local\\Bandizip.exe\" .."	Bandizip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ff39ba5283948d2c33635afb7ea5801a = "\"C:\\Users\\Admin\\AppData\\Local\\Bandizip.exe\" .."	Bandizip.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1200	schtasks.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe
Token: 33	2468	Bandizip.exe
Token: SeIncBasePriorityPrivilege	2468	Bandizip.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2468	2884	4bcdc27a278c1cec0de3fef56254fba8_JaffaCakes118.exe	30
PID 2884 wrote to memory of 2468	2884	4bcdc27a278c1cec0de3fef56254fba8_JaffaCakes118.exe	30
PID 2884 wrote to memory of 2468	2884	4bcdc27a278c1cec0de3fef56254fba8_JaffaCakes118.exe	30
PID 2468 wrote to memory of 1200	2468	Bandizip.exe	31
PID 2468 wrote to memory of 1200	2468	Bandizip.exe	31
PID 2468 wrote to memory of 1200	2468	Bandizip.exe	31
PID 2948 wrote to memory of 1852	2948	taskeng.exe	34
PID 2948 wrote to memory of 1852	2948	taskeng.exe	34
PID 2948 wrote to memory of 1852	2948	taskeng.exe	34
PID 2948 wrote to memory of 2096	2948	taskeng.exe	35
PID 2948 wrote to memory of 2096	2948	taskeng.exe	35
PID 2948 wrote to memory of 2096	2948	taskeng.exe	35

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\4bcdc27a278c1cec0de3fef56254fba8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4bcdc27a278c1cec0de3fef56254fba8_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Bandizip.exe
  "C:\Users\Admin\AppData\Local\Bandizip.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn Skype /tr "C:\Users\Admin\AppData\Local\Bandizip.exe
    3⤵
    - Creates scheduled task(s)
    PID:1200

C:\Windows\system32\taskeng.exe
taskeng.exe {7F1E11BD-9128-45EE-811D-B48F1E51D3B2} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Bandizip.exe
  C:\Users\Admin\AppData\Local\Bandizip.exe
  2⤵
  - Executes dropped EXE
  PID:1852
- C:\Users\Admin\AppData\Local\Bandizip.exe
  C:\Users\Admin\AppData\Local\Bandizip.exe
  2⤵
  - Executes dropped EXE
  PID:2096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Bandizip.exe

Filesize
659KB

MD5
4bcdc27a278c1cec0de3fef56254fba8

SHA1
6ae25705ca1aa619256a0159c3feeec8becadaf4

SHA256
de678f60098dac80ab0716c1f69c4f7c02ce69226b3bf31482d2c4c2d9184096

SHA512
816200ed4669c25072203dfc710747468c800c6de64bcadbe237bbeab8776de110d5ad728f4571af2bde2ab530cd21b71daa2f9d27a5202613460ef2bbf68fcb

Download Submit
memory/2468-12-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2468-11-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2468-14-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2468-15-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2468-16-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2468-17-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2884-2-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2884-3-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2884-4-0x000007FEF5B1E000-0x000007FEF5B1F000-memory.dmp

Filesize
4KB

Download
memory/2884-5-0x0000000000370000-0x000000000037C000-memory.dmp

Filesize
48KB

Download
memory/2884-1-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2884-13-0x000007FEF5860000-0x000007FEF61FD000-memory.dmp

Filesize
9.6MB

Download
memory/2884-0-0x000007FEF5B1E000-0x000007FEF5B1F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads