njrat | ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 09:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe
Size

113KB
MD5

923f7f7f3535f2fe2851eb2429a7b0e9
SHA1

4ae271a1518bfbafca8d5d3601ec21d317944724
SHA256

ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba
SHA512

cab6d7f4df9f8de70f31f9829edccb459eabd81d8f5f71597fe669b879ff44d56b66a8ce7cd2a0efd96c719f4a93728de01c557e781261591980362448dbd7ce
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuM8e:P5eznsjsguGDFqGZ2rn

Score

10^/10

njrat neuf evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

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

Processes:

netsh.exe

pid process

2548 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid process

904 chargeable.exe
2168 chargeable.exe

pid	process
2548	netsh.exe

pid	process
904	chargeable.exe
2168	chargeable.exe

Loads dropped DLL 2 IoCs

Processes:

ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe

pid	process
2040	ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe
2040	ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe"	ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description pid process target process

PID 904 set thread context of 2168 904 chargeable.exe chargeable.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 904 set thread context of 2168	904	chargeable.exe	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

chargeable.exe

description	pid	process
Token: SeDebugPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe
Token: 33	2168	chargeable.exe
Token: SeIncBasePriorityPrivilege	2168	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exechargeable.exechargeable.exe

description	pid	process	target process
PID 2040 wrote to memory of 904	2040	ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe	chargeable.exe
PID 2040 wrote to memory of 904	2040	ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe	chargeable.exe
PID 2040 wrote to memory of 904	2040	ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe	chargeable.exe
PID 2040 wrote to memory of 904	2040	ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 904 wrote to memory of 2168	904	chargeable.exe	chargeable.exe
PID 2168 wrote to memory of 2548	2168	chargeable.exe	netsh.exe
PID 2168 wrote to memory of 2548	2168	chargeable.exe	netsh.exe
PID 2168 wrote to memory of 2548	2168	chargeable.exe	netsh.exe
PID 2168 wrote to memory of 2548	2168	chargeable.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe
"C:\Users\Admin\AppData\Local\Temp\ebef7fb293665916480c94ed4867f973995a46248b1944647571ec5ef67f2dba.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2040
- 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:904
- - 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:2168
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

Filesize
1KB

MD5
cba2426f2aafe31899569ace05e89796

SHA1
3bfb16faefd762b18f033cb2de6ceb77db9d2390

SHA256
a465febe8a024e3cdb548a3731b2ea60c7b2919e941a24b9a42890b2b039b85a

SHA512
395cce81a7966f02c49129586815b833c8acfe6efbb8795e56548f32819270c654074622b7fa880121ce7fbd29725af6f69f89b8c7e02c64d1bbffbfe0620c68

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

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C0018BB1B5834735BFA60CD063B31956

Filesize
1KB

MD5
0376ba21bc7c1d09e61b206c11bbc92c

SHA1
443fee1cb47f3497f1e8042a94c5da8655aa7cd7

SHA256
1e377d5df77b88b5dd8cde349ceb5c939eaddb2af2676ec91346f9ef7e24a0ab

SHA512
f68db4ce81924b2531b3467a23e02b2913086b6293d0d5a81fe9dbee941504502ea590d4667e3e758f3b4986384200700cb919bc7a5b75a29080e66b29aa9e23

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

Filesize
264B

MD5
8aad42d1ef8ab5ea2a148c8d9a67f67a

SHA1
cf93d45e24ebae6dbbce6d9dca00162b9ad77c24

SHA256
eb023640fd5d8accf9a5390de576989300bd2fc7a141ac16be30214378a291d0

SHA512
a8446a0e6eac85076b4c7d7847e34f8bd24965134b3fe620484506bf5f6a841fc352be7136e9a2705213c6e942f4b65ae5eaa699bf9dffdfbc74396c16036d07

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

Filesize
344B

MD5
aa71c28fc0cd2e86d91f8ec0d79a6ad2

SHA1
0c87133d59cf4774490d8764588ad6848eb3eb94

SHA256
b4583cc06e89e4526f672faea342d9f5d4e3f0f088c827e060d5af2b384234f2

SHA512
d09662ceed1a60e6040c0ac26b3452a1a8cc75f31397966f68d313d5f23b8038c3ce5a4898cd24da40d6794f29f9903f52d3cb0f9d579fd24b9a3c656ccfc611

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

Filesize
344B

MD5
c91bee911b28bf2261bcfec923b9b970

SHA1
0857f2495d18e024d175f88f552dff9f4f09ab3f

SHA256
1af2bccd8c954424c3db199a53b66a6c6d2fdc39116fd623066cbb87fc9c078a

SHA512
653f85e98d01fa027bc3cd2381f9631aebcd2b4abaa13f891aec517cea757e58ebec2c319ab326dfb27e3e1faf2becdec7a72fa348ae072ce28d960f37b4de17

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

Filesize
344B

MD5
1f9cd667e6b339cf2460847e57cce115

SHA1
31810c0359181a743c7e95c696b59ec19598e34f

SHA256
b3ad21d9c7d4693e9e7e31849cec278e4427fd83a148a25802651607515bcf35

SHA512
b0a7587aa86d43e6a41003256ebce178403f6e3cc68c655a0e079d501fd44486349f295aebeb12b9558b146520c9f7b4e5ab0a43acd2b6a941869e8f93deb1fe

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

Filesize
252B

MD5
a1c81abe7707ec46cfb7b2ce5cc8cee5

SHA1
45863866d3b2d4fa3bb931c9353c33b9aab34948

SHA256
71959724d4d9b3b0d2ab1bc396a49136b1d4a8e01e8b10e0ec1b6589914e9fd7

SHA512
245d712a559fe58a777bbbc42df6935d1bafe9a2acf8b6dbacca55ed9340d1789271034de67b1d8e8b5e8c08b93e6f6fa32874ce4592fbe3d1c615c1183b57af

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab10C5.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar10D7.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar13DE.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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

Filesize
113KB

MD5
5dc903dcc95d9e0fc43c24eef5b7f099

SHA1
c209f8b0b8b8f3e90e101275d143ba4acc6952e5

SHA256
2c0092c4cc0dec2b365f51c7707a10a7a7ba7a66081c5e08c9fd219365ef332a

SHA512
311ddc6bc9b4570e0de76b22db544ce2b804e644dbe443ea650f850c2f3397e591dead551b3d39d9907439bf06523de3b8b1eb180c4052d325e17910aefd8788

Download Submit
memory/2040-199-0x0000000074A60000-0x000000007500B000-memory.dmp

Filesize
5.7MB

Download
memory/2040-1-0x0000000074A60000-0x000000007500B000-memory.dmp

Filesize
5.7MB

Download
memory/2040-0-0x0000000074A61000-0x0000000074A62000-memory.dmp

Filesize
4KB

Download
memory/2168-365-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2168-368-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2168-367-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download