njrat | 65f795fe9ee323bdd5f53aa9d6b83ef7afc631697c7dd56366bd2f123665b62d

General

Target

NEAS.02d83bf152c20bd8faf749e466414920.exe
Size

79KB
MD5

02d83bf152c20bd8faf749e466414920
SHA1

56ce28eb5140718fdfb97b62bbe4d3e800aa2d07
SHA256

65f795fe9ee323bdd5f53aa9d6b83ef7afc631697c7dd56366bd2f123665b62d
SHA512

2a2378a79405ca8a48eca24c13394e64f165c7838fec06a0441785af10a589ef7f9a358ee8a75a72906ae2def2cfd63f14d0fbff50b2707cf853aa458c6ab198
SSDEEP

1536:xRfm3DB/OkHPtY5jGFHws7jdeeTsI8A8BeTqnIL+myYQAadvKGkA47Ry:xZm3DB/DvtSjGFHL7pxL+myYQAadvLkI

Score

10^/10

njrat dahom"502 evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

DaHoM"502

C2

dahom502.ddns.net:5552

Mutex

e4419ae10c7311b12fa5b94bd7992e8c

Attributes

reg_key
e4419ae10c7311b12fa5b94bd7992e8c
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
2668	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e4419ae10c7311b12fa5b94bd7992e8c.exe	Skype.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e4419ae10c7311b12fa5b94bd7992e8c.exe	Skype.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	Skype.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\e4419ae10c7311b12fa5b94bd7992e8c = "\"C:\\ProgramData\\Skype.exe\" .."	Skype.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e4419ae10c7311b12fa5b94bd7992e8c = "\"C:\\ProgramData\\Skype.exe\" .."	Skype.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe
Token: 33	2616	Skype.exe
Token: SeIncBasePriorityPrivilege	2616	Skype.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2616	2104	NEAS.02d83bf152c20bd8faf749e466414920.exe	28
PID 2104 wrote to memory of 2616	2104	NEAS.02d83bf152c20bd8faf749e466414920.exe	28
PID 2104 wrote to memory of 2616	2104	NEAS.02d83bf152c20bd8faf749e466414920.exe	28
PID 2616 wrote to memory of 2668	2616	Skype.exe	29
PID 2616 wrote to memory of 2668	2616	Skype.exe	29
PID 2616 wrote to memory of 2668	2616	Skype.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.02d83bf152c20bd8faf749e466414920.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.02d83bf152c20bd8faf749e466414920.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\ProgramData\Skype.exe
  "C:\ProgramData\Skype.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\Skype.exe" "Skype.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Skype.exe

Filesize
79KB

MD5
02d83bf152c20bd8faf749e466414920

SHA1
56ce28eb5140718fdfb97b62bbe4d3e800aa2d07

SHA256
65f795fe9ee323bdd5f53aa9d6b83ef7afc631697c7dd56366bd2f123665b62d

SHA512
2a2378a79405ca8a48eca24c13394e64f165c7838fec06a0441785af10a589ef7f9a358ee8a75a72906ae2def2cfd63f14d0fbff50b2707cf853aa458c6ab198

Download Submit
C:\ProgramData\Skype.exe

Filesize
79KB

MD5
02d83bf152c20bd8faf749e466414920

SHA1
56ce28eb5140718fdfb97b62bbe4d3e800aa2d07

SHA256
65f795fe9ee323bdd5f53aa9d6b83ef7afc631697c7dd56366bd2f123665b62d

SHA512
2a2378a79405ca8a48eca24c13394e64f165c7838fec06a0441785af10a589ef7f9a358ee8a75a72906ae2def2cfd63f14d0fbff50b2707cf853aa458c6ab198

Download Submit
memory/2104-6-0x0000000000430000-0x000000000043C000-memory.dmp

Filesize
48KB

Download
memory/2104-3-0x0000000000260000-0x000000000026A000-memory.dmp

Filesize
40KB

Download
memory/2104-4-0x0000000000280000-0x000000000028C000-memory.dmp

Filesize
48KB

Download
memory/2104-5-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/2104-0-0x00000000001D0000-0x00000000001EA000-memory.dmp

Filesize
104KB

Download
memory/2104-2-0x000000001B1C0000-0x000000001B240000-memory.dmp

Filesize
512KB

Download
memory/2104-1-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp

Filesize
9.9MB

Download
memory/2104-14-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp

Filesize
9.9MB

Download
memory/2616-12-0x0000000000950000-0x000000000096A000-memory.dmp

Filesize
104KB

Download
memory/2616-13-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp

Filesize
9.9MB

Download
memory/2616-15-0x0000000000500000-0x0000000000580000-memory.dmp

Filesize
512KB

Download
memory/2616-16-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp

Filesize
9.9MB

Download
memory/2616-18-0x0000000000500000-0x0000000000580000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads