njrat | c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0

General

Target

c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0.exe
Size

29KB
MD5

642dfb848c81bc8041cf6d752f8cc900
SHA1

1f778a332d590a9faf89fba51b483a93846a0af0
SHA256

c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0
SHA512

eb91aa69484dc77302f078f587e4858332bc7b4871a6d314c4b98eef2b468c9f3429ef7e502702aa0ef2f4e077a15fe0d284c7ef2c493bfe74f9d8acf54b409c
SSDEEP

384:SFpQjtl7jBnoKoK3JX15nHK4GumqDAEReIlGBsbh0w4wlAokw9OhgOL1vYRGOZzX:Si7hoKoGJFNK4Aq1RehBKh0p29SgRd9

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2380	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4008	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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe
2380	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 2380	3436	c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0.exe	83
PID 3436 wrote to memory of 2380	3436	c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0.exe	83
PID 3436 wrote to memory of 2380	3436	c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0.exe	83
PID 2380 wrote to memory of 4008	2380	Trojan.exe	84
PID 2380 wrote to memory of 4008	2380	Trojan.exe	84
PID 2380 wrote to memory of 4008	2380	Trojan.exe	84

C:\Users\Admin\AppData\Local\Temp\c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0.exe
"C:\Users\Admin\AppData\Local\Temp\c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

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\Temp\Trojan.exe

Filesize
29KB

MD5
642dfb848c81bc8041cf6d752f8cc900

SHA1
1f778a332d590a9faf89fba51b483a93846a0af0

SHA256
c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0

SHA512
eb91aa69484dc77302f078f587e4858332bc7b4871a6d314c4b98eef2b468c9f3429ef7e502702aa0ef2f4e077a15fe0d284c7ef2c493bfe74f9d8acf54b409c

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

Filesize
29KB

MD5
642dfb848c81bc8041cf6d752f8cc900

SHA1
1f778a332d590a9faf89fba51b483a93846a0af0

SHA256
c19e6a377a5b8926f96c6f06363ce714b12317633137c728bffe9a816d9620c0

SHA512
eb91aa69484dc77302f078f587e4858332bc7b4871a6d314c4b98eef2b468c9f3429ef7e502702aa0ef2f4e077a15fe0d284c7ef2c493bfe74f9d8acf54b409c

Download Submit
memory/2380-138-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/2380-139-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3436-132-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3436-136-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download

Analysis

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