njrat | 1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4

General

Target

1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4.exe
Size

23KB
MD5

21dab2d70a43dc5b058f6e711f4c8526
SHA1

0b6080334661692c432eb36a0a4e19b240d6b936
SHA256

1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4
SHA512

fb597f271298d6b8eb89969db7d6c8d5891f049525cf219eca96bb6f45e817bf9350bf5307d59b61092d4463818c99ceccec3ae4f14247fbd2c1431980b10317
SSDEEP

384:PzRWKCWs5Mx/YZPxvnjmQdFxH84GlQ6rgdAyZxLdmRvR6JZlbw8hqIusZzZNpa:PtmXAOvnjDdF9cRpcnud

Score

10^/10

njrat betabothere evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

BetaBotHERE

C2

mytest12.no-ip.biz:1606

Mutex

6f09905a9ba4915313ad7f7f5a7f11b9

Attributes

reg_key
6f09905a9ba4915313ad7f7f5a7f11b9
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2940	WindowsFirewall.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3132	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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe
Token: 33	2940	WindowsFirewall.exe
Token: SeIncBasePriorityPrivilege	2940	WindowsFirewall.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 2940	3992	1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4.exe	82
PID 3992 wrote to memory of 2940	3992	1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4.exe	82
PID 3992 wrote to memory of 2940	3992	1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4.exe	82
PID 2940 wrote to memory of 3132	2940	WindowsFirewall.exe	84
PID 2940 wrote to memory of 3132	2940	WindowsFirewall.exe	84
PID 2940 wrote to memory of 3132	2940	WindowsFirewall.exe	84

C:\Users\Admin\AppData\Local\Temp\1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4.exe
"C:\Users\Admin\AppData\Local\Temp\1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Users\Admin\AppData\Local\Temp\WindowsFirewall.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsFirewall.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsFirewall.exe" "WindowsFirewall.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3132

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

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\WindowsFirewall.exe

Filesize
23KB

MD5
21dab2d70a43dc5b058f6e711f4c8526

SHA1
0b6080334661692c432eb36a0a4e19b240d6b936

SHA256
1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4

SHA512
fb597f271298d6b8eb89969db7d6c8d5891f049525cf219eca96bb6f45e817bf9350bf5307d59b61092d4463818c99ceccec3ae4f14247fbd2c1431980b10317

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

Filesize
23KB

MD5
21dab2d70a43dc5b058f6e711f4c8526

SHA1
0b6080334661692c432eb36a0a4e19b240d6b936

SHA256
1102b76e764dbb7e3978258f47eeaaee10429ba18de626d116913056185c35e4

SHA512
fb597f271298d6b8eb89969db7d6c8d5891f049525cf219eca96bb6f45e817bf9350bf5307d59b61092d4463818c99ceccec3ae4f14247fbd2c1431980b10317

Download Submit
memory/2940-137-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/2940-140-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3992-132-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3992-133-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3992-138-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download

Analysis

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