njrat | 3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4

General

Target

3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4.exe
Size

220KB
MD5

0712b729fb6514e42519d092fa55f13c
SHA1

37c595fc0e5535130896183e71c6aa37da22dba7
SHA256

3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4
SHA512

a6f217b8aa38d0740cc49b3445608a3c1ab4deef6791fcb4fabd4cbe5983ba7c321aa85566641e214e37baa9bd48d5b4728118a086f86246d37dd2304976f2f7
SSDEEP

3072:WyCMEWB8gIeHQ0GCyHcJiH0eu9NanNHyqpQdSg08s9V3t6IatWgABDBOwNDGECmm:kwBpIeHFM0euHKd7/t69ABdN2

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

malekbb.no-ip.biz:5552

Mutex

2e677746db2b1452e10a29128e99fedc

Attributes

reg_key
2e677746db2b1452e10a29128e99fedc
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 4 IoCs

pid	Process
3636	LocalhwNeMtsQom.exe
2856	LocalhwNeMtsQom.exe
3644	server.exe
4604	server.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	LocalhwNeMtsQom.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\al_2_m_j_b_z_u_ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aD_4_Y_D_I_.exe"	LocalhwNeMtsQom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\al_2_m_j_b_z_u_ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aD_4_Y_D_I_.exe"	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3636 set thread context of 2856	3636	LocalhwNeMtsQom.exe	84
PID 3644 set thread context of 4604	3644	server.exe	86

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4880	4604	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3636	LocalhwNeMtsQom.exe
3636	LocalhwNeMtsQom.exe
3636	LocalhwNeMtsQom.exe
3644	server.exe
3644	server.exe
3644	server.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3636	LocalhwNeMtsQom.exe
Token: SeDebugPrivilege	3644	server.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 3636	1180	3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4.exe	81
PID 1180 wrote to memory of 3636	1180	3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4.exe	81
PID 1180 wrote to memory of 3636	1180	3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4.exe	81
PID 3636 wrote to memory of 2856	3636	LocalhwNeMtsQom.exe	84
PID 3636 wrote to memory of 2856	3636	LocalhwNeMtsQom.exe	84
PID 3636 wrote to memory of 2856	3636	LocalhwNeMtsQom.exe	84
PID 3636 wrote to memory of 2856	3636	LocalhwNeMtsQom.exe	84
PID 3636 wrote to memory of 2856	3636	LocalhwNeMtsQom.exe	84
PID 3636 wrote to memory of 2856	3636	LocalhwNeMtsQom.exe	84
PID 3636 wrote to memory of 2856	3636	LocalhwNeMtsQom.exe	84
PID 3636 wrote to memory of 2856	3636	LocalhwNeMtsQom.exe	84
PID 2856 wrote to memory of 3644	2856	LocalhwNeMtsQom.exe	85
PID 2856 wrote to memory of 3644	2856	LocalhwNeMtsQom.exe	85
PID 2856 wrote to memory of 3644	2856	LocalhwNeMtsQom.exe	85
PID 3644 wrote to memory of 4604	3644	server.exe	86
PID 3644 wrote to memory of 4604	3644	server.exe	86
PID 3644 wrote to memory of 4604	3644	server.exe	86
PID 3644 wrote to memory of 4604	3644	server.exe	86
PID 3644 wrote to memory of 4604	3644	server.exe	86
PID 3644 wrote to memory of 4604	3644	server.exe	86
PID 3644 wrote to memory of 4604	3644	server.exe	86
PID 3644 wrote to memory of 4604	3644	server.exe	86

C:\Users\Admin\AppData\Local\Temp\3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4.exe
"C:\Users\Admin\AppData\Local\Temp\3fff18d8707309dce7e0f06beb03e3c1d4d48eb8fcdf8bbfec3495caa64016b4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\LocalhwNeMtsQom.exe
  "C:\Users\Admin\AppData\LocalhwNeMtsQom.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Users\Admin\AppData\LocalhwNeMtsQom.exe
    C:\Users\Admin\AppData\LocalhwNeMtsQom.exe
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:2856
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3644
    - - C:\Users\Admin\AppData\Local\Temp\server.exe
        
        C:\Users\Admin\AppData\Local\Temp\server.exe
        5⤵
        Executes dropped EXE
        
        PID:4604
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 80
        6⤵
        Program crash
        
        PID:4880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4604 -ip 4604
1⤵
PID:2104

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\LocalhwNeMtsQom.exe.log

Filesize
587B

MD5
a35ddf50cb4e16c8015d3f1e8d32ef13

SHA1
527c373224c4feff9e4b5d351f76ec8a819e730a

SHA256
16a5c4f250129f098484f9a2f7249f510b942933481d10b90d317b8a3de62e59

SHA512
1f00a6d6c2f54aa76c7e03348f94442335b2c534e72de6de25c4e85426fe090e6239fbeda02fd0c7f1a6ae8fd796e8ef4003c1fa5dbe42b777219e8c0bd9d738

Download Submit
C:\Users\Admin\AppData\Local\Temp\aD_4_Y_D_I_.exe

Filesize
77KB

MD5
940d3dc1dfdcb08608fecd51f1903e8f

SHA1
fc08d1edf71382074faa65c6b0d7582cd9e36b49

SHA256
128b4507fbc71e6de04bb8cfbe3f64bf78ba3acb98996a8f8485278a6349a71d

SHA512
3ba5808fd79ff0d729457b284b4f24c2e6cde73d2c95da560371ba6cd3db719228dd5677a7b7a118872ce522b4ea43bd888680604e310c0ae64832db4641a822

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
77KB

MD5
940d3dc1dfdcb08608fecd51f1903e8f

SHA1
fc08d1edf71382074faa65c6b0d7582cd9e36b49

SHA256
128b4507fbc71e6de04bb8cfbe3f64bf78ba3acb98996a8f8485278a6349a71d

SHA512
3ba5808fd79ff0d729457b284b4f24c2e6cde73d2c95da560371ba6cd3db719228dd5677a7b7a118872ce522b4ea43bd888680604e310c0ae64832db4641a822

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
77KB

MD5
940d3dc1dfdcb08608fecd51f1903e8f

SHA1
fc08d1edf71382074faa65c6b0d7582cd9e36b49

SHA256
128b4507fbc71e6de04bb8cfbe3f64bf78ba3acb98996a8f8485278a6349a71d

SHA512
3ba5808fd79ff0d729457b284b4f24c2e6cde73d2c95da560371ba6cd3db719228dd5677a7b7a118872ce522b4ea43bd888680604e310c0ae64832db4641a822

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
77KB

MD5
940d3dc1dfdcb08608fecd51f1903e8f

SHA1
fc08d1edf71382074faa65c6b0d7582cd9e36b49

SHA256
128b4507fbc71e6de04bb8cfbe3f64bf78ba3acb98996a8f8485278a6349a71d

SHA512
3ba5808fd79ff0d729457b284b4f24c2e6cde73d2c95da560371ba6cd3db719228dd5677a7b7a118872ce522b4ea43bd888680604e310c0ae64832db4641a822

Download Submit
C:\Users\Admin\AppData\LocalhwNeMtsQom.exe

Filesize
77KB

MD5
940d3dc1dfdcb08608fecd51f1903e8f

SHA1
fc08d1edf71382074faa65c6b0d7582cd9e36b49

SHA256
128b4507fbc71e6de04bb8cfbe3f64bf78ba3acb98996a8f8485278a6349a71d

SHA512
3ba5808fd79ff0d729457b284b4f24c2e6cde73d2c95da560371ba6cd3db719228dd5677a7b7a118872ce522b4ea43bd888680604e310c0ae64832db4641a822

Download Submit
C:\Users\Admin\AppData\LocalhwNeMtsQom.exe

Filesize
77KB

MD5
940d3dc1dfdcb08608fecd51f1903e8f

SHA1
fc08d1edf71382074faa65c6b0d7582cd9e36b49

SHA256
128b4507fbc71e6de04bb8cfbe3f64bf78ba3acb98996a8f8485278a6349a71d

SHA512
3ba5808fd79ff0d729457b284b4f24c2e6cde73d2c95da560371ba6cd3db719228dd5677a7b7a118872ce522b4ea43bd888680604e310c0ae64832db4641a822

Download Submit
C:\Users\Admin\AppData\LocalhwNeMtsQom.exe

Filesize
77KB

MD5
940d3dc1dfdcb08608fecd51f1903e8f

SHA1
fc08d1edf71382074faa65c6b0d7582cd9e36b49

SHA256
128b4507fbc71e6de04bb8cfbe3f64bf78ba3acb98996a8f8485278a6349a71d

SHA512
3ba5808fd79ff0d729457b284b4f24c2e6cde73d2c95da560371ba6cd3db719228dd5677a7b7a118872ce522b4ea43bd888680604e310c0ae64832db4641a822

Download Submit
memory/1180-132-0x00007FFF76D50000-0x00007FFF77786000-memory.dmp

Filesize
10.2MB

Download
memory/2856-138-0x0000000000000000-mapping.dmp

Download
memory/2856-147-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/2856-141-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/2856-139-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3636-137-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3636-142-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3636-136-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3636-133-0x0000000000000000-mapping.dmp

Download
memory/3644-143-0x0000000000000000-mapping.dmp

Download
memory/3644-148-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/3644-153-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4604-149-0x0000000000000000-mapping.dmp

Download

Analysis

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