njrat | e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192

Analysis

max time kernel
115s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/12/2024, 00:43

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General

Target

e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
Size

118KB
MD5

aec50297f7d8b894a11c327055765780
SHA1

53bdc14abdb2ad04843916d49510e79f92d60c81
SHA256

e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192
SHA512

47d1df3866fdf999a91cf3c665679a8e718de4fd1f85075dcb67fbbf9796006f2cbf66402e59fb55f983c633d53f28c0e530c5383735a5d79e1d759e1ecc0c4e
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgl:P5eznsjsguGDFqGZ2rDLk

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

Njrat family
njrat
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
2808	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2232	chargeable.exe
2664	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2448	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
2448	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe"	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2664	2232	chargeable.exe	32

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

System Location Discovery: System Language Discovery 1 TTPs 4 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	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe
Token: 33	2664	chargeable.exe
Token: SeIncBasePriorityPrivilege	2664	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2232	2448	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe	31
PID 2448 wrote to memory of 2232	2448	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe	31
PID 2448 wrote to memory of 2232	2448	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe	31
PID 2448 wrote to memory of 2232	2448	e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe	31
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2232 wrote to memory of 2664	2232	chargeable.exe	32
PID 2664 wrote to memory of 2808	2664	chargeable.exe	33
PID 2664 wrote to memory of 2808	2664	chargeable.exe	33
PID 2664 wrote to memory of 2808	2664	chargeable.exe	33
PID 2664 wrote to memory of 2808	2664	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe
"C:\Users\Admin\AppData\Local\Temp\e37e7166f31a6553ebe15a448f1895708a047541ba8d0bdbecd27532d0fc7192N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2664
  - - 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
      System Location Discovery: System Language Discovery
      PID:2808

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
f0cf5b1794eca7cd73f9c020daab8ef2

SHA1
cd040b212f8cd90e629e7acefd14972b68e575ea

SHA256
2af00edce7ef3266897e52dc81e8de3b7a079028c0f1f96eaff9e38ad342f617

SHA512
55c9f22bc101c986b2e83f31e20415031fbf1fbfedd33907487de75069c43c5cfe3ba243025de6b66405925ba506f66d19d9da69af187f499143bc2da71341de

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

Filesize
1KB

MD5
3e3aed1c0ba46c98a8ef6b3bec083998

SHA1
8df2ba67925f2c9580ead34fc567acd35c55b416

SHA256
3fab079f84b987b1a1e305228bd9d2c7dc9a4033b62d3715073c009391fc949f

SHA512
f0afb50c3ca2843e0dde736e5ce6d327ad2b70ae3e04c46c658878208dbd242059efc414f8eff22e9e6034a4a4948b34bdd612c5156c3d9a7fcbd38238066b29

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

Filesize
264B

MD5
b12cec98336bd9aabbdbf41ea2597ee6

SHA1
a54279fc4a19d139115177921e0a3442c93e09d6

SHA256
3fc9ecddb26cbddebf4f404bb905af9337cfb34a173756648a344a1bc21b0b4d

SHA512
b31cbd0cad4b1fcb0f3dc0ce12eb5ffa4b4d5a6fc0f4f7e9551e5e91bebc8a094c7244f754853ee9a51231373895cee27a35989fcdfa2bd0dafc8c9b5a1d5159

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

Filesize
342B

MD5
37734477af9f87e58296b6934a7ff559

SHA1
81b504a2b726c44093a7bb7c0c7248bd3d62b650

SHA256
f3997a410059857ab0249280fbf46e67cc04beb1ec68918b76927a9f1bf9fc6c

SHA512
9431eb14d3826c056613d6ffe479da4c88310bbf8bdf41b134cc22a5df87387dae3a28352d8faad63d2e72270c706a73307d8a9dd57110f12d2127dff4e26bf3

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

Filesize
342B

MD5
975d864b876fb668c792845d584108dd

SHA1
27f7cf777bac93d3d98c1bb2d05ef29b853963bf

SHA256
592babaeebc45dff66b6a39876ee72258bf4d6eca0bc8daf9e29b4af995fe44b

SHA512
c8b47e524d10a48d73544197f7b1d5509b23628e7eb09876cafa09a3780ce84dfe8dd624c2a0c2807dd78bcb0235e8a76efb79cfc435394dbe212540a4c9e4de

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

Filesize
342B

MD5
80a8e62937e880799ed7607125c11a84

SHA1
ae38ecc523fae9a913b4317289896a225578967b

SHA256
c0d500304f469612c0a816ea4e6de46e15c3c64c5f133dfa53605fabb50365ff

SHA512
9f327d73d8a927dcafc6a151824d918536f4a06742756dbb979e53fbfde952cb56c096c05f30b0276ac9bd076cf318ea297b219ade6f2d3bb1182f35291aab19

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

Filesize
252B

MD5
4b733491ac2d9ebe7b545f8ef833d1e4

SHA1
2243964025dc487a7eab6c2f2ebe9ef81585b158

SHA256
cda351e52fc56f783a83dc55176296925aff64923d8698a83506f8d16bebd7ae

SHA512
8dd7475f8292b24eacaf5a30c44dc0c8cbd8847f5bc56b84bb83699576eeef5431b02dcf35564a7ed02ded53cd4e259d09d926ee3b2b06abf4f4d9f7d045090b

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabE562.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE584.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
118KB

MD5
d205436257a63cf99e3eb187ae78fa41

SHA1
28687adaae72107861e0d51f1d71b021e2e46e0f

SHA256
50658ae36fc56fd2578289e3f1a4fb0a498fbd984108be51b6054ae2e4fbd9ff

SHA512
88078cc1f77e921aa0f8446bf6a7a3319ab09d5c78252f89fd0b39b1f821effacb5944ca657b7fb93c97862912632cd6f23bb659c58ceff048b601ccb9bd635a

Download Submit
memory/2448-180-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-171-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-170-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-0-0x0000000074561000-0x0000000074562000-memory.dmp

Filesize
4KB

Download
memory/2448-2-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-1-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2664-349-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2664-351-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2664-352-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads