njrat | 55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d

Analysis

max time kernel
144s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/05/2024, 22:34

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General

Target

55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe
Size

115KB
MD5

22cc623e15f2df325dbce6730817d7f7
SHA1

9980838ec6f9f67ab5477fe9ce035e8ed9c659de
SHA256

55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d
SHA512

c3bfc068aad49cf72123fac77b501d2e1b7ce6ace3a8788e66261ef22c57ab4b47e69cb34bf7fa6293c3e064a9a018f76d8f5b0b86ef44dd8dd8502d0da1cde2
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDI5:P5eznsjsguGDFqGZ2rDI5

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

pid	Process
2584	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1128	chargeable.exe
2152	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2656	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe
2656	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.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\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe"	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1128 set thread context of 2152	1128	chargeable.exe	29

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe
Token: 33	2152	chargeable.exe
Token: SeIncBasePriorityPrivilege	2152	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 1128	2656	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe	28
PID 2656 wrote to memory of 1128	2656	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe	28
PID 2656 wrote to memory of 1128	2656	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe	28
PID 2656 wrote to memory of 1128	2656	55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe	28
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 1128 wrote to memory of 2152	1128	chargeable.exe	29
PID 2152 wrote to memory of 2584	2152	chargeable.exe	30
PID 2152 wrote to memory of 2584	2152	chargeable.exe	30
PID 2152 wrote to memory of 2584	2152	chargeable.exe	30
PID 2152 wrote to memory of 2584	2152	chargeable.exe	30

C:\Users\Admin\AppData\Local\Temp\55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe
"C:\Users\Admin\AppData\Local\Temp\55915916a6f71c1b978973adf8e6d1a6e5f5a5e18f9dedd7cedf384591140d1d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2656
- 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:1128
- - 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:2152
  - - 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:2584

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

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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
a118cf7b292824f7a320980c500aefed

SHA1
f74332746bcdc97aa01e888df7a0bbbb0d0edb9f

SHA256
a3c8db29fafe4e24d4d3c72172f0a0242b96044a80917634adab28707fdb16b0

SHA512
fc40aa99e9545bf495751f809a0120ba6feff78559a83811877486d9bd6a4df69f681bd2866fc16c492b6c178002c97356c0b2bbc8841d85d3f2365a557391d0

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

Filesize
344B

MD5
ab131cb6d97ecee1b0d39f95cb816808

SHA1
abc2279c422b50570e480276e099338ba78df769

SHA256
4ec81e5063d53c466f369fab13657f3cf19e84fc8545e63749ba04a2625601d7

SHA512
9a1cf859d6208cf43ce55150845bea005f8286981bc28dd7ec4438b320c5054304ac97e998006e21183af2b7cd5f23b643f63a57d17a613c218d3e58817b83dd

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

Filesize
344B

MD5
65ae9f9f140fdcf4d210f927986fe407

SHA1
f0e43a7f261be375b8d8c5192696e61f82ce4d53

SHA256
7c2d7a9b8493652558316940d04dd360d4b275d6ca879d0e5f97f5e3c53091da

SHA512
759f5cd7e3dddb1eea47c4cff4fb0ce28c97932cf5db546a2c7d1ec8504e6177cd86ae6db3f290f2ed9eac500cc0802fb9c59475b65846ca7a0b75aa9c34f21b

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

Filesize
344B

MD5
bdd63bf95987093e722a53a090989cf9

SHA1
19f366c2de565c35600ce4217e3314eb539b99d0

SHA256
d3ff530f81e067d95348372704f838a86770994b621c47f76649c977dc9adc20

SHA512
750ca9ba0b4fb39ed527dfe3438638f49975fedc04d0c5a1048e60b4c8b4a492708fb8c9b58b27f05828c60e479beb1d66b61a8f3c9a4f2c2985ae23f8f15c11

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

Filesize
252B

MD5
a9162a1821e83b22d55b1de89deef2d6

SHA1
cc01e93ff3c4c4093979ca58a908b15b5f651841

SHA256
59fd252638d99a9ce80ea7bd062a3d2db92bec75f31324e5f46a8fd952c00178

SHA512
8f28d5d215157538ad77c930844026610a0b89ab9dd1bf87ea990cb492206b2467c25adcc9648ad732c1ebddff6f6bc3afc5f333d2e0f217c451a36768f0fae9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab7F6F.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7F91.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar849A.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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

Filesize
115KB

MD5
3cb5e0451029f825a9f603abcc193c61

SHA1
a6fcf74e70cbb7dc26d2499a04129134b6daa628

SHA256
d78fdab0eec9d83a88af93f9aad8d8826185e5ced114da09aa1b938c4f5b9288

SHA512
ed5cb0e62d2efd47663531896dd01e20bb2f1a04e90064aa333981fe09c2a81ad10765cad88f3a1f1b26bf2f537d563752e62e74ec39b016b53b1bb91e482d16

Download Submit
memory/2152-366-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2152-368-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2152-369-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2656-206-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2656-0-0x0000000074791000-0x0000000074792000-memory.dmp

Filesize
4KB

Download
memory/2656-2-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2656-1-0x0000000074790000-0x0000000074D3B000-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