njrat | d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580

General

Target

d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580.exe
Size

60KB
MD5

65660408a79c1ba98758a0980813933d
SHA1

66fecb46e0ef3b187c159305c27ab2b25a523cf1
SHA256

d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580
SHA512

c31e348ada70abbc338f3e2351ea6058ddc964963d82cdbe4d086f30a7cebc77ad18b541ef82deb1847e239eef94762da791f25770a02c314d7310a3833ca35e

Score

10^/10

njrat svchost evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

svchost

C2

127.0.0.1:1177

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1788 svchost.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1788	svchost.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.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 19 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe
Token: 33	1788	svchost.exe
Token: SeIncBasePriorityPrivilege	1788	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580.exesvchost.exe

description	pid	process	target process
PID 2044 wrote to memory of 1788	2044	d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580.exe	svchost.exe
PID 2044 wrote to memory of 1788	2044	d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580.exe	svchost.exe
PID 2044 wrote to memory of 1788	2044	d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580.exe	svchost.exe
PID 1788 wrote to memory of 840	1788	svchost.exe	netsh.exe
PID 1788 wrote to memory of 840	1788	svchost.exe	netsh.exe
PID 1788 wrote to memory of 840	1788	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580.exe
"C:\Users\Admin\AppData\Local\Temp\d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\svchost.exe
"C:\Users\Admin\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\svchost.exe" "svchost.exe" ENABLE
3⤵
PID:840

Network

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\svchost.exe
Filesize
60KB

MD5
65660408a79c1ba98758a0980813933d

SHA1
66fecb46e0ef3b187c159305c27ab2b25a523cf1

SHA256
d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580

SHA512
c31e348ada70abbc338f3e2351ea6058ddc964963d82cdbe4d086f30a7cebc77ad18b541ef82deb1847e239eef94762da791f25770a02c314d7310a3833ca35e

Download Submit
C:\Users\Admin\svchost.exe
Filesize
60KB

MD5
65660408a79c1ba98758a0980813933d

SHA1
66fecb46e0ef3b187c159305c27ab2b25a523cf1

SHA256
d68c663612c92937bbb8e244ef625279f755c768ac4ac97e092f8fd5486c9580

SHA512
c31e348ada70abbc338f3e2351ea6058ddc964963d82cdbe4d086f30a7cebc77ad18b541ef82deb1847e239eef94762da791f25770a02c314d7310a3833ca35e

Download Submit
memory/840-60-0x0000000000000000-mapping.dmp

Download
memory/1788-56-0x0000000000000000-mapping.dmp

Download
memory/1788-59-0x000007FEF29F0000-0x000007FEF3A86000-memory.dmp

Filesize
16.6MB

Download
memory/1788-62-0x0000000002016000-0x0000000002035000-memory.dmp

Filesize
124KB

Download
memory/2044-54-0x000007FEF31E0000-0x000007FEF4276000-memory.dmp

Filesize
16.6MB

Download
memory/2044-55-0x000007FEFBFD1000-0x000007FEFBFD3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads