njrat | c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394

General

Target
c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Size 55KB
Sample260708-kbeaqset3l
SHA256 c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394
MD5 9adc8a42c4a0b4ba87d3e3c73692df99
SHA1 18cd5b6bf236f9895d98b650def1e5107b9efb5d
SHA512 aec883813989626fe450033fd8820d2ce7715e8dd5fc55d3d0b0c5f2222e852a8c5f9b04880ab9efac0f1e3903bc64ad1582ddd60a6fbb95e4c544a08d8ac20b
SSDEEP 1536:4QxyoDns0NSiS36YDOwsNMDdXExI3pmam:LkoDngXKYDOwsNMDdXExI3pm
TLSH
T105431744BFEA4A05E2BD8F3468F649150634BA63F532EB1E48D568DB17327C58C40FE6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

victim defense_evasion discovery execution njrat persistence trojan

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

C2

portbuddy.dev:43175

Mutex

4e754ecdebb0de49a8c026ce4ed42ab6

Attributes

reg_key
4e754ecdebb0de49a8c026ce4ed42ab6
splitter
Y262SUCZ4UJJ

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
4124	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
2884	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
6012	schtasks.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Token: 33	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Token: SeIncBasePriorityPrivilege	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Token: 33	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Token: SeIncBasePriorityPrivilege	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Token: 33	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Token: SeIncBasePriorityPrivilege	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Token: 33	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Token: SeIncBasePriorityPrivilege	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 3976	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe	88
PID 4448 wrote to memory of 2276	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe	90
PID 4448 wrote to memory of 6012	4448	c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe	92

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3976	attrib.exe

C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
"C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\SysWOW64\attrib.exe
  attrib +h "C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:3976
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /delete /tn CleanSweepCheck /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2276
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn CleanSweepCheck /tr C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:6012

C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4124

C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
"C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2884

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe

Path C:\Users\Admin\AppData\Local\Temp\c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394.exe
Size 55KB
SHA256 c271ef84a99a459a81178e5ce6ebaef8a4b29dd4ce3e8703ba34795945c97394
MD5 9adc8a42c4a0b4ba87d3e3c73692df99
SHA1 18cd5b6bf236f9895d98b650def1e5107b9efb5d
SHA512 aec883813989626fe450033fd8820d2ce7715e8dd5fc55d3d0b0c5f2222e852a8c5f9b04880ab9efac0f1e3903bc64ad1582ddd60a6fbb95e4c544a08d8ac20b
SSDEEP 1536:4QxyoDns0NSiS36YDOwsNMDdXExI3pmam:LkoDngXKYDOwsNMDdXExI3pm
TLSH
T105431744BFEA4A05E2BD8F3468F649150634BA63F532EB1E48D568DB17327C58C40FE6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2884-7-0x0000000074760000-0x0000000074D81000-memory.dmp

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memory/2884-8-0x0000000074760000-0x0000000074D81000-memory.dmp

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memory/4124-3-0x0000000074760000-0x0000000074D81000-memory.dmp

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memory/4124-5-0x0000000074760000-0x0000000074D81000-memory.dmp

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memory/4448-0-0x0000000001250000-0x0000000001260000-memory.dmp

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memory/4448-1-0x0000000074762000-0x0000000074764000-memory.dmp

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memory/4448-4-0x0000000074762000-0x0000000074764000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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