njrat | f2efdb91127d45b051573b56d5390401a0067eb015f2db95a65563dea235555e

General

Target

6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe
Size

1.1MB
MD5

6d2b7843f0e9168704d4c71108cfdc50
SHA1

3fb8ed1bc9eb790af15c1f18486ac5461a44ed71
SHA256

f2efdb91127d45b051573b56d5390401a0067eb015f2db95a65563dea235555e
SHA512

56622c990c77363bf709cba7684dd484fe96b24aa2f8f68828b494d556bb73d800955fc080a9d6e24d5f4c7f3c39a11d49d2870e1f0869a6912ef36fa67df0b0
SSDEEP

24576:NzPMEK/3JXKFN53ZVwK3FOn+rPcgVATn9LH4GkYsBHwEo:BPfWQjfY+bcgVmJQYsBHwR

Score

10^/10

njrat coder evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

coder

C2

81.61.77.92:5553

Mutex

890f73d3282170b26075ca7917951b6e

Attributes

reg_key
890f73d3282170b26075ca7917951b6e
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

5100 netsh.exe

pid	process
5100	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

Processes:

6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe

Drops startup file 2 IoCs

Processes:

Data.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\890f73d3282170b26075ca7917951b6e.exe	Data.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\890f73d3282170b26075ca7917951b6e.exe	Data.exe

Executes dropped EXE 1 IoCs

Processes:

Data.exe

pid process

2192 Data.exe

pid	process
2192	Data.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Data.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\890f73d3282170b26075ca7917951b6e = "\"C:\\Users\\Admin\\AppData\\Roaming\\Data.exe\" .."	Data.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\890f73d3282170b26075ca7917951b6e = "\"C:\\Users\\Admin\\AppData\\Roaming\\Data.exe\" .."	Data.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs

Processes:

6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exeData.exe

pid	process
1312	6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe
2192	Data.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

Data.exe

description	pid	process
Token: SeDebugPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe
Token: 33	2192	Data.exe
Token: SeIncBasePriorityPrivilege	2192	Data.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exeData.exe

pid process

1312 6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe
2192 Data.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exeData.exe

description	pid	process	target process
PID 1312 wrote to memory of 2192	1312	6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe	Data.exe
PID 1312 wrote to memory of 2192	1312	6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe	Data.exe
PID 1312 wrote to memory of 2192	1312	6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe	Data.exe
PID 2192 wrote to memory of 5100	2192	Data.exe	netsh.exe
PID 2192 wrote to memory of 5100	2192	Data.exe	netsh.exe
PID 2192 wrote to memory of 5100	2192	Data.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6d2b7843f0e9168704d4c71108cfdc50_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1312

C:\Users\Admin\AppData\Roaming\Data.exe
"C:\Users\Admin\AppData\Roaming\Data.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Data.exe" "Data.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:5100

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Data.exe
Filesize
1.1MB

MD5
6d2b7843f0e9168704d4c71108cfdc50

SHA1
3fb8ed1bc9eb790af15c1f18486ac5461a44ed71

SHA256
f2efdb91127d45b051573b56d5390401a0067eb015f2db95a65563dea235555e

SHA512
56622c990c77363bf709cba7684dd484fe96b24aa2f8f68828b494d556bb73d800955fc080a9d6e24d5f4c7f3c39a11d49d2870e1f0869a6912ef36fa67df0b0

Download Submit
memory/1312-20-0x0000000000930000-0x0000000000CAE000-memory.dmp

Filesize
3.5MB

Download
memory/1312-5-0x0000000006410000-0x00000000069B4000-memory.dmp

Filesize
5.6MB

Download
memory/1312-0-0x0000000000930000-0x0000000000CAE000-memory.dmp

Filesize
3.5MB

Download
memory/1312-4-0x0000000005DC0000-0x0000000005E5C000-memory.dmp

Filesize
624KB

Download
memory/1312-2-0x0000000000930000-0x0000000000CAE000-memory.dmp

Filesize
3.5MB

Download
memory/1312-1-0x00000000742EE000-0x00000000742EF000-memory.dmp

Filesize
4KB

Download
memory/1312-3-0x0000000003290000-0x000000000329A000-memory.dmp

Filesize
40KB

Download
memory/2192-23-0x00000000742E0000-0x0000000074A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-17-0x0000000000B30000-0x0000000000EAE000-memory.dmp

Filesize
3.5MB

Download
memory/2192-22-0x0000000000B30000-0x0000000000EAE000-memory.dmp

Filesize
3.5MB

Download
memory/2192-21-0x0000000000B30000-0x0000000000EAE000-memory.dmp

Filesize
3.5MB

Download
memory/2192-25-0x0000000005920000-0x00000000059B2000-memory.dmp

Filesize
584KB

Download
memory/2192-26-0x00000000742E0000-0x0000000074A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-27-0x0000000005820000-0x000000000582A000-memory.dmp

Filesize
40KB

Download
memory/2192-30-0x0000000000B30000-0x0000000000EAE000-memory.dmp

Filesize
3.5MB

Download
memory/2192-31-0x00000000742E0000-0x0000000074A90000-memory.dmp

Filesize
7.7MB

Download
memory/2192-33-0x00000000742E0000-0x0000000074A90000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads