njrat | bc37b896fee26a5b4de7845cdd046e0200c783d4907ffa7e16da84ed6b5987dd

General

Target

BloxflipPredictor.exe
Size

27KB
MD5

7bf897ca59b77ad3069c07149c35f97e
SHA1

6951dc20fa1e550ec9d066fe20e5100a9946a56b
SHA256

bc37b896fee26a5b4de7845cdd046e0200c783d4907ffa7e16da84ed6b5987dd
SHA512

6e0725043262eec328130883b8c6a413c03fa11e766db44e6e2595dfa5d3e13d02b7a199105cad8439c66238cf2975099d40b33cdaeb4768da159060b6f35daf
SSDEEP

384:rLptwff1tqGIOfIBTkqS61bPGdrNM1AQk93vmhm7UMKmIEecKdbXTzm9bVhcar6v:/pqffy3LN1A/vMHTi9bD

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HaCkEd

C2

quite-cs.at.ply.gg:10397

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

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

Drops startup file 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	attrib.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	BloxflipPredictor.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Bloxflip Predictor.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Bloxflip Predictor.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Bloxflip Predictor.exe

Executes dropped EXE 1 IoCs

pid	Process
476	Bloxflip Predictor.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Windows\\Bloxflip Predictor.exe"	BloxflipPredictor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Bloxflip Predictor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Bloxflip Predictor.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Bloxflip Predictor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Bloxflip Predictor.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
6	discord.com
4	discord.com
5	discord.com

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Bloxflip Predictor.exe	BloxflipPredictor.exe
File opened for modification	C:\Windows\Bloxflip Predictor.exe	attrib.exe

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 5 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	BloxflipPredictor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bloxflip Predictor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe
Token: 33	476	Bloxflip Predictor.exe
Token: SeIncBasePriorityPrivilege	476	Bloxflip Predictor.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 476	2404	BloxflipPredictor.exe	31
PID 2404 wrote to memory of 476	2404	BloxflipPredictor.exe	31
PID 2404 wrote to memory of 476	2404	BloxflipPredictor.exe	31
PID 2404 wrote to memory of 476	2404	BloxflipPredictor.exe	31
PID 2404 wrote to memory of 2260	2404	BloxflipPredictor.exe	32
PID 2404 wrote to memory of 2260	2404	BloxflipPredictor.exe	32
PID 2404 wrote to memory of 2260	2404	BloxflipPredictor.exe	32
PID 2404 wrote to memory of 2260	2404	BloxflipPredictor.exe	32
PID 476 wrote to memory of 2996	476	Bloxflip Predictor.exe	34
PID 476 wrote to memory of 2996	476	Bloxflip Predictor.exe	34
PID 476 wrote to memory of 2996	476	Bloxflip Predictor.exe	34
PID 476 wrote to memory of 2996	476	Bloxflip Predictor.exe	34
PID 476 wrote to memory of 2648	476	Bloxflip Predictor.exe	35
PID 476 wrote to memory of 2648	476	Bloxflip Predictor.exe	35
PID 476 wrote to memory of 2648	476	Bloxflip Predictor.exe	35
PID 476 wrote to memory of 2648	476	Bloxflip Predictor.exe	35

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2996	attrib.exe
2648	attrib.exe
2260	attrib.exe

C:\Users\Admin\AppData\Local\Temp\BloxflipPredictor.exe
"C:\Users\Admin\AppData\Local\Temp\BloxflipPredictor.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\Bloxflip Predictor.exe
  "C:\Windows\Bloxflip Predictor.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:476
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
    3⤵
    - Drops startup file
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2996
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2648
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Windows\Bloxflip Predictor.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
175dcf91ef523df6166fc091918c8841

SHA1
e07af27597a939af81039147f404680d28f33850

SHA256
78be10b7e3783e797bfff8f3f5dcaab17d0612c508dd9259b046f8dab5cb89de

SHA512
6de78d023e2fb500944d7cbe2995b91bf98c54f97e8b36cefae5458c3c6e7b68eea3e3e746777bfad62d59b069bd3143d07f3c8d90dedb0d6eccd90fb8c79378

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

Filesize
1022B

MD5
2003bb0332ddfd3d91153db0bd88564e

SHA1
32e60a8379db536b5037a7bf909289960369582b

SHA256
b3fd92b0ef90b98cb7d9ed6435266f9d8e364054038ce8490bd0d005ef144517

SHA512
be63a85396b5c4deefebd891c5997785708a27bcc6a95b3221328be4711b9315c57966de43503bec3a58c674238ce57aa401f6afcdcb4d66e9b5723c465b28d7

Download Submit
C:\Windows\Bloxflip Predictor.exe

Filesize
27KB

MD5
7bf897ca59b77ad3069c07149c35f97e

SHA1
6951dc20fa1e550ec9d066fe20e5100a9946a56b

SHA256
bc37b896fee26a5b4de7845cdd046e0200c783d4907ffa7e16da84ed6b5987dd

SHA512
6e0725043262eec328130883b8c6a413c03fa11e766db44e6e2595dfa5d3e13d02b7a199105cad8439c66238cf2975099d40b33cdaeb4768da159060b6f35daf

Download Submit
memory/476-17-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/476-18-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/476-21-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2404-0-0x0000000074611000-0x0000000074612000-memory.dmp

Filesize
4KB

Download
memory/2404-1-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2404-2-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2404-5-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2404-12-0x0000000074610000-0x0000000074BBB000-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