njrat | 0101605928448cc2af7c21ce1f0e701989816fd83c7dc233ca43516427ed8ab7

Analysis

max time kernel
30s
max time network
5s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
18-01-2025 15:33

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General

Target

service.exe
Size

48KB
MD5

98747f5b8125fdbd59f050e30618867f
SHA1

19adbbc70a56d1cefc2f8c60a139e0540affe661
SHA256

0101605928448cc2af7c21ce1f0e701989816fd83c7dc233ca43516427ed8ab7
SHA512

f1356242dd9f56d3606ca3707d1cfddc7bba90cdcd902cc2400255ab63c4608986d249520a7f4c330b11c4b428dbb2468406b7e2b455611c03e8c8dfac6e9aca
SSDEEP

768:tzudimXcTHesAM68IwLXxIICnUErFjeiR5C2w5zP0AMj0OLDKTM/vO0AURXSO:d8LzmBpkrdaJ0Ak5fKY/rfSO

Score

10^/10

njrat prothv2 discovery trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

PROTHV2

103.253.73.222:711

Mutex

bc537b56da07a3b4870ad823ad802a4a

Attributes

reg_key
bc537b56da07a3b4870ad823ad802a4a
splitter
Y262SUCZ4UJJ

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1912 set thread context of 1704	1912	service.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 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	service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1912	service.exe
1912	service.exe
1912	service.exe
1912	service.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1912	service.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 2152	1912	service.exe	83
PID 1912 wrote to memory of 2152	1912	service.exe	83
PID 1912 wrote to memory of 2152	1912	service.exe	83
PID 1912 wrote to memory of 1856	1912	service.exe	84
PID 1912 wrote to memory of 1856	1912	service.exe	84
PID 1912 wrote to memory of 1856	1912	service.exe	84
PID 1912 wrote to memory of 1704	1912	service.exe	85
PID 1912 wrote to memory of 1704	1912	service.exe	85
PID 1912 wrote to memory of 1704	1912	service.exe	85
PID 1912 wrote to memory of 1704	1912	service.exe	85
PID 1912 wrote to memory of 1704	1912	service.exe	85
PID 1912 wrote to memory of 1704	1912	service.exe	85
PID 1912 wrote to memory of 1704	1912	service.exe	85
PID 1912 wrote to memory of 1704	1912	service.exe	85

C:\Users\Admin\AppData\Local\Temp\service.exe
"C:\Users\Admin\AppData\Local\Temp\service.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\service.exe
  "C:\Users\Admin\AppData\Local\Temp\service.exe"
  2⤵
  PID:2152
- C:\Users\Admin\AppData\Local\Temp\service.exe
  "C:\Users\Admin\AppData\Local\Temp\service.exe"
  2⤵
  PID:1856
- C:\Users\Admin\AppData\Local\Temp\service.exe
  "C:\Users\Admin\AppData\Local\Temp\service.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\service.exe.log

Filesize
1KB

MD5
bd76295661516015cc654d284dc2c276

SHA1
66f835bf0b154292d8ad17212a0feabc5f4f1a18

SHA256
aeef561f6ece2de3d114091d2304534b65152dfee9e195c80876477344422f12

SHA512
0aa544e8684fe8b668623d5668a82abc590938c60fbbfd4959a8e8b1cb16d96858824d170a174b2084569b2756a97ce1b825d588a8a5b3cd4ed040182bcad5fc

Download Submit
memory/1704-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1704-15-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/1704-14-0x0000000005390000-0x000000000542C000-memory.dmp

Filesize
624KB

Download
memory/1912-5-0x0000000005440000-0x000000000544A000-memory.dmp

Filesize
40KB

Download
memory/1912-4-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/1912-6-0x0000000005520000-0x0000000005596000-memory.dmp

Filesize
472KB

Download
memory/1912-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/1912-8-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/1912-9-0x0000000005430000-0x0000000005440000-memory.dmp

Filesize
64KB

Download
memory/1912-10-0x00000000056F0000-0x000000000570E000-memory.dmp

Filesize
120KB

Download
memory/1912-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/1912-3-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/1912-2-0x0000000005850000-0x0000000005DF6000-memory.dmp

Filesize
5.6MB

Download
memory/1912-16-0x0000000074F70000-0x0000000075721000-memory.dmp

Filesize
7.7MB

Download
memory/1912-1-0x0000000000990000-0x00000000009A2000-memory.dmp

Filesize
72KB

Download