njrat | 2d36ee83d5349c163250cf5f782d0be89dd882c576682a570d0ae236e8dd1c93

General

Target

B68C1DC7F15C7A2C348BA64D3B79830A.exe
Size

115KB
MD5

b68c1dc7f15c7a2c348ba64d3b79830a
SHA1

416fdb5760bc35444e85d94211fda90c77debb86
SHA256

2d36ee83d5349c163250cf5f782d0be89dd882c576682a570d0ae236e8dd1c93
SHA512

83da9918538b52173b1446722efde1ccd65845838f508df574d27b479a78f06b770eac2badda0048b53a9e6f82f5dc7b37302b387b120374c624cf83550cdea2
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIy:P5eznsjsguGDFqGZ2rDIy

Score

10^/10

njrat neuf evasion persistence 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

Processes:

netsh.exe

pid process

1892 netsh.exe

pid	process
1892	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

Processes:

B68C1DC7F15C7A2C348BA64D3B79830A.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	B68C1DC7F15C7A2C348BA64D3B79830A.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid process

3780 chargeable.exe
2308 chargeable.exe

pid	process
3780	chargeable.exe
2308	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

B68C1DC7F15C7A2C348BA64D3B79830A.exe

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"	B68C1DC7F15C7A2C348BA64D3B79830A.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\\B68C1DC7F15C7A2C348BA64D3B79830A.exe"	B68C1DC7F15C7A2C348BA64D3B79830A.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description pid process target process

PID 3780 set thread context of 2308 3780 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 3780 set thread context of 2308	3780	chargeable.exe	chargeable.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

chargeable.exe

description	pid	process
Token: SeDebugPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe
Token: 33	2308	chargeable.exe
Token: SeIncBasePriorityPrivilege	2308	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

B68C1DC7F15C7A2C348BA64D3B79830A.exechargeable.exechargeable.exe

description	pid	process	target process
PID 4400 wrote to memory of 3780	4400	B68C1DC7F15C7A2C348BA64D3B79830A.exe	chargeable.exe
PID 4400 wrote to memory of 3780	4400	B68C1DC7F15C7A2C348BA64D3B79830A.exe	chargeable.exe
PID 4400 wrote to memory of 3780	4400	B68C1DC7F15C7A2C348BA64D3B79830A.exe	chargeable.exe
PID 3780 wrote to memory of 2308	3780	chargeable.exe	chargeable.exe
PID 3780 wrote to memory of 2308	3780	chargeable.exe	chargeable.exe
PID 3780 wrote to memory of 2308	3780	chargeable.exe	chargeable.exe
PID 3780 wrote to memory of 2308	3780	chargeable.exe	chargeable.exe
PID 3780 wrote to memory of 2308	3780	chargeable.exe	chargeable.exe
PID 3780 wrote to memory of 2308	3780	chargeable.exe	chargeable.exe
PID 3780 wrote to memory of 2308	3780	chargeable.exe	chargeable.exe
PID 3780 wrote to memory of 2308	3780	chargeable.exe	chargeable.exe
PID 2308 wrote to memory of 1892	2308	chargeable.exe	netsh.exe
PID 2308 wrote to memory of 1892	2308	chargeable.exe	netsh.exe
PID 2308 wrote to memory of 1892	2308	chargeable.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\B68C1DC7F15C7A2C348BA64D3B79830A.exe
"C:\Users\Admin\AppData\Local\Temp\B68C1DC7F15C7A2C348BA64D3B79830A.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4400
- 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:3780
- - 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:2308
  - - 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:1892

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=1400 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:1612

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

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

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

Filesize
115KB

MD5
784fa462576ff38f6a2db97136d9f1f4

SHA1
dde94d1636660388b0decc449569fc37eeeb729c

SHA256
3846699de92a51da297d69d76107178bac469a508c0f703275155e8651f44e61

SHA512
3dbf2fbac5d2b522d4f2e7e869ce5908be5454398e36d9d1fb0174988db5937124f03df7bb794a79808626fdadd193312d02aa154e2d8f6fc07501405626e947

Download Submit
memory/2308-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2308-32-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2308-31-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2308-30-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2308-29-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/3780-20-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/3780-22-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/3780-19-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/3780-28-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/4400-0-0x0000000074702000-0x0000000074703000-memory.dmp

Filesize
4KB

Download
memory/4400-23-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/4400-7-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/4400-4-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/4400-3-0x0000000074702000-0x0000000074703000-memory.dmp

Filesize
4KB

Download
memory/4400-2-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/4400-1-0x0000000074700000-0x0000000074CB1000-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