njrat | 77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688

General

Target

77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe
Size

116KB
MD5

ee16d070b189b8bd8e0f8cc1c10917fc
SHA1

f06ae96a39f62b71d76c4ddc0b1f67b04197127d
SHA256

77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688
SHA512

d22d9e4f30e2425c72c16f2aeaa1617c80a9ab7c454b9d5ecd56be01549f407302d36a0ac0817a18da5fd8a90a7c6e06450ecaf0ade82c27bf0dc3842cd18eef
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMIv:P5eznsjsguGDFqGZ2rIv

Score

10^/10

njrat neuf evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

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

pid	Process
2904	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1948	chargeable.exe
2176	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2400	77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe
2400	77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe"	77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 2176	1948	chargeable.exe	31

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

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

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe
Token: 33	2176	chargeable.exe
Token: SeIncBasePriorityPrivilege	2176	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1948	2400	77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe	30
PID 2400 wrote to memory of 1948	2400	77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe	30
PID 2400 wrote to memory of 1948	2400	77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe	30
PID 2400 wrote to memory of 1948	2400	77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe	30
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 1948 wrote to memory of 2176	1948	chargeable.exe	31
PID 2176 wrote to memory of 2904	2176	chargeable.exe	33
PID 2176 wrote to memory of 2904	2176	chargeable.exe	33
PID 2176 wrote to memory of 2904	2176	chargeable.exe	33
PID 2176 wrote to memory of 2904	2176	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe
"C:\Users\Admin\AppData\Local\Temp\77b21d543176bd282f4849f3b339ae6a0eb5becd792ecb778c3352feaa7b3688.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2176
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:2904

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
304B

MD5
eda0b8ed05b143029985af1798ce8d0f

SHA1
ceb617663324df746a1ddfa44327595a234394b5

SHA256
1df859ad06bd7752631b8448ce49cb65938fbc52c59123b1c90db1874f450793

SHA512
a1dbd18baf579ebd5ab7eb38a93b589b35011dc2baf6ef1d156be0711372382260fdcf484f5580a3c64f96afd26e480e9a5f7d1baa3e5138113690ebc9601d13

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
304B

MD5
cf0840fe43ec8bf36ab012cdae99ba04

SHA1
68b92cd77567c99c21464045e72112c7d9a2ce5c

SHA256
59a6ba558d7f36405737f5a4e191998b930783fb01126ec8f757bd52e7afe9f4

SHA512
0f854999b57da47e00035723c441c7174168d92045dca327740dd41beffafc42e2278358088876b0e4408f674a1652509c6f2826455153d585cec3abda64e940

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
304B

MD5
d064befcc857c7ec50aec70e10eaf458

SHA1
9e74c474eaefb00d5d12530c42d0aab160367a69

SHA256
d25daf9a15c9bb3500c80684949828f5e9ae7fa0c5a4b2ddaf84ca76912443e9

SHA512
2f380cfa7c8e906f84fbf4142bfe12e9bef74da4053805ba7a347331e398dca31bfd03f9fbe5d015d393ef0e5eb4d3fa103012c6fae26029bd4fbbbc004ab099

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab8345.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8358.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
116KB

MD5
001ced278c38cb0e33e855f1fc31e1d4

SHA1
eea9d042aa0205c176c2c89f16e9e756f3bfba7e

SHA256
5e4d1dd4c723d239da956f65f8a6a05fb5d98716e75ce088411a2916742daa8f

SHA512
baf7171616f17a1676feaf25706b7acecdcce4ce0f945541a8fadeebda7efc34810c7eaf0ce601fcf013e9b6217728691226d4e8a154ad5c43603b952b44e901

Download Submit
memory/2176-340-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2176-343-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2176-342-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2400-0-0x00000000742C1000-0x00000000742C2000-memory.dmp

Filesize
4KB

Download
memory/2400-1-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-198-0x00000000742C0000-0x000000007486B000-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