njrat | e82555397d481c3f94c3e573022868bc323d5d3b6cc4af88eb7eff6e41711a15

General

Target

255e87bd4a3dcd9a9029d28789618f55.exe
Size

23KB
MD5

255e87bd4a3dcd9a9029d28789618f55
SHA1

bfe289ecba86b3685be8092110deb54556824e6f
SHA256

e82555397d481c3f94c3e573022868bc323d5d3b6cc4af88eb7eff6e41711a15
SHA512

6e8d9fc3739e735379532faf386564ccce399c168040570e4520f3922214e4e600b794b583ed522b4f7fdd4c81ce02b602980c7a89291ecbb4e07567d8d834aa
SSDEEP

384:n8aY1ia0N/IH+WUiWiLcXyUTly2Rc87po6ngB8W+tqlf5mRvR6JZlbw8hqIusZzM:m1Re/E+WUiW6ci6NR7tZRpcnut

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

51.68.160.90:5552

Mutex

e1c9d16af5e1738b14f272c73a4cddae

Attributes

reg_key
e1c9d16af5e1738b14f272c73a4cddae
splitter
|'|'|

Signatures

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

Processes:

Host Process for Windows Tasks.exe

pid process

1952 Host Process for Windows Tasks.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1160 netsh.exe

pid	process
1952	Host Process for Windows Tasks.exe

pid	process
1160	netsh.exe

Drops startup file 2 IoCs

Processes:

Host Process for Windows Tasks.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e1c9d16af5e1738b14f272c73a4cddae.exe	Host Process for Windows Tasks.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e1c9d16af5e1738b14f272c73a4cddae.exe	Host Process for Windows Tasks.exe

Loads dropped DLL 1 IoCs

Processes:

255e87bd4a3dcd9a9029d28789618f55.exe

pid process

1508 255e87bd4a3dcd9a9029d28789618f55.exe

pid	process
1508	255e87bd4a3dcd9a9029d28789618f55.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Host Process for Windows Tasks.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\e1c9d16af5e1738b14f272c73a4cddae = "\"C:\\Users\\Admin\\AppData\\Roaming\\Host Process for Windows Tasks.exe\" .."	Host Process for Windows Tasks.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e1c9d16af5e1738b14f272c73a4cddae = "\"C:\\Users\\Admin\\AppData\\Roaming\\Host Process for Windows Tasks.exe\" .."	Host Process for Windows Tasks.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:

Host Process for Windows Tasks.exe

description	pid	process
Token: SeDebugPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe
Token: 33	1952	Host Process for Windows Tasks.exe
Token: SeIncBasePriorityPrivilege	1952	Host Process for Windows Tasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

255e87bd4a3dcd9a9029d28789618f55.exeHost Process for Windows Tasks.exe

description	pid	process	target process
PID 1508 wrote to memory of 1952	1508	255e87bd4a3dcd9a9029d28789618f55.exe	Host Process for Windows Tasks.exe
PID 1508 wrote to memory of 1952	1508	255e87bd4a3dcd9a9029d28789618f55.exe	Host Process for Windows Tasks.exe
PID 1508 wrote to memory of 1952	1508	255e87bd4a3dcd9a9029d28789618f55.exe	Host Process for Windows Tasks.exe
PID 1508 wrote to memory of 1952	1508	255e87bd4a3dcd9a9029d28789618f55.exe	Host Process for Windows Tasks.exe
PID 1952 wrote to memory of 1160	1952	Host Process for Windows Tasks.exe	netsh.exe
PID 1952 wrote to memory of 1160	1952	Host Process for Windows Tasks.exe	netsh.exe
PID 1952 wrote to memory of 1160	1952	Host Process for Windows Tasks.exe	netsh.exe
PID 1952 wrote to memory of 1160	1952	Host Process for Windows Tasks.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\255e87bd4a3dcd9a9029d28789618f55.exe
"C:\Users\Admin\AppData\Local\Temp\255e87bd4a3dcd9a9029d28789618f55.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1508

C:\Users\Admin\AppData\Roaming\Host Process for Windows Tasks.exe
"C:\Users\Admin\AppData\Roaming\Host Process for Windows Tasks.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Host Process for Windows Tasks.exe" "Host Process for Windows Tasks.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1160

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\AppData\Roaming\Host Process for Windows Tasks.exe
Filesize
23KB

MD5
255e87bd4a3dcd9a9029d28789618f55

SHA1
bfe289ecba86b3685be8092110deb54556824e6f

SHA256
e82555397d481c3f94c3e573022868bc323d5d3b6cc4af88eb7eff6e41711a15

SHA512
6e8d9fc3739e735379532faf386564ccce399c168040570e4520f3922214e4e600b794b583ed522b4f7fdd4c81ce02b602980c7a89291ecbb4e07567d8d834aa

Download Submit
C:\Users\Admin\AppData\Roaming\Host Process for Windows Tasks.exe
Filesize
23KB

MD5
255e87bd4a3dcd9a9029d28789618f55

SHA1
bfe289ecba86b3685be8092110deb54556824e6f

SHA256
e82555397d481c3f94c3e573022868bc323d5d3b6cc4af88eb7eff6e41711a15

SHA512
6e8d9fc3739e735379532faf386564ccce399c168040570e4520f3922214e4e600b794b583ed522b4f7fdd4c81ce02b602980c7a89291ecbb4e07567d8d834aa

Download Submit
\Users\Admin\AppData\Roaming\Host Process for Windows Tasks.exe
Filesize
23KB

MD5
255e87bd4a3dcd9a9029d28789618f55

SHA1
bfe289ecba86b3685be8092110deb54556824e6f

SHA256
e82555397d481c3f94c3e573022868bc323d5d3b6cc4af88eb7eff6e41711a15

SHA512
6e8d9fc3739e735379532faf386564ccce399c168040570e4520f3922214e4e600b794b583ed522b4f7fdd4c81ce02b602980c7a89291ecbb4e07567d8d834aa

Download Submit
memory/1160-63-0x0000000000000000-mapping.dmp

Download
memory/1508-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download
memory/1508-55-0x00000000740E0000-0x000000007468B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-61-0x00000000740E0000-0x000000007468B000-memory.dmp

Filesize
5.7MB

Download
memory/1952-57-0x0000000000000000-mapping.dmp

Download
memory/1952-62-0x00000000740E0000-0x000000007468B000-memory.dmp

Filesize
5.7MB

Download
memory/1952-65-0x00000000740E0000-0x000000007468B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads