njrat | f285fc33a1c3f88696ec8559c84c9d500d77fb7d390d197d90b3e54eff9aebc1

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2024, 01:58

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General

Target
5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe
Size 114KB
Sample240515-cd8clacc98
SHA256 f285fc33a1c3f88696ec8559c84c9d500d77fb7d390d197d90b3e54eff9aebc1
MD5 5f87f1f6de51d0ab3a4c19dcd12128c0
SHA1 36cc98e573fac45c0249860730f635bae844ca94
SHA512 9e82a7d1b572310a9d56c2213987c3af22b24254a234fbdecf4d4f322753d8ad5cc8e5b0fb4de577bee3ff1d836f54f2f820fd04c67ec54a72b0ef3f4b097cf2
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMA:P5eznsjsguGDFqGZ2rA
MD5 SHA1 SHA512 SSDEEP

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
2144	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

pid	Process
4308	chargeable.exe
2336	chargeable.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe"	5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4308 set thread context of 2336	4308	chargeable.exe	100

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe
Token: 33	2336	chargeable.exe
Token: SeIncBasePriorityPrivilege	2336	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 4308	4796	5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe	99
PID 4796 wrote to memory of 4308	4796	5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe	99
PID 4796 wrote to memory of 4308	4796	5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe	99
PID 4308 wrote to memory of 2336	4308	chargeable.exe	100
PID 4308 wrote to memory of 2336	4308	chargeable.exe	100
PID 4308 wrote to memory of 2336	4308	chargeable.exe	100
PID 4308 wrote to memory of 2336	4308	chargeable.exe	100
PID 4308 wrote to memory of 2336	4308	chargeable.exe	100
PID 4308 wrote to memory of 2336	4308	chargeable.exe	100
PID 4308 wrote to memory of 2336	4308	chargeable.exe	100
PID 4308 wrote to memory of 2336	4308	chargeable.exe	100
PID 2336 wrote to memory of 2144	2336	chargeable.exe	102
PID 2336 wrote to memory of 2144	2336	chargeable.exe	102
PID 2336 wrote to memory of 2144	2336	chargeable.exe	102

C:\Users\Admin\AppData\Local\Temp\5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\5f87f1f6de51d0ab3a4c19dcd12128c0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4796
- 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:4308
- - 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:2336
  - - 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:2144

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:1180

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

chargeable.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
Size 400B
SHA256 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
MD5 0a9b4592cd49c3c21f6767c2dabda92f
SHA1 f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA512 6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
MD5 SHA1 SHA512

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chargeable.exe

Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 114KB
SHA256 8af09a90c08e8d6674ea703098b2553da42b920e03078d07c00e6358b90ae03a
MD5 fff3120a7d793d061ac1b1da3c2ceac2
SHA1 b31982c617ed83e5c119835874a04c3d8fd05dae
SHA512 b0ba08837d7095e3f853aa5c240ef2e22e5ad3aad40e0078b85288978aa1e42a2ac0ece9dcbb462a61ccd9c9976cb02173463d5564e991682cb225ec32cb3cf4
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMn:P5eznsjsguGDFqGZ2rn
MD5 SHA1 SHA512 SSDEEP

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memory/2336-24-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2336-32-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/2336-31-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/2336-30-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/2336-29-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4308-21-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4308-22-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4308-20-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4308-28-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4796-0-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

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memory/4796-23-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4796-8-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4796-7-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4796-6-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

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memory/4796-2-0x0000000074DE0000-0x0000000075391000-memory.dmp

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memory/4796-1-0x0000000074DE0000-0x0000000075391000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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