njrat | de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f

General

Target

de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe
Size

29KB
MD5

883a359e303d65433d684c5ac3353e06
SHA1

392604010aaa0b669dfb7dc86218d44715a4c6cb
SHA256

de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f
SHA512

eeaeacaa84642f3ae6ce40a5ca76c97158ebc5ad33b842a2f5d6a6d5251a302c66d756b3833c189efbec2415dbe6949a98834befa18ea1709e7e29be9f9c9ab3
SSDEEP

768:2rD71oGc1FRVp74q8HesBKh0p29SgRNM:UD71IPkpZKhG29jNM

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

boxfox555.zapto.org:1177

Mutex

12ce4e06a81e8d54fd01d9b762f1b1bb

Attributes

reg_key
12ce4e06a81e8d54fd01d9b762f1b1bb
splitter
|'|'|

Signatures

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

Processes:

system.exe

pid process

4684 system.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4968 netsh.exe

pid	process
4968	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:

de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

system.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 45 IoCs

Processes:

system.exe

pid	process
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe
4684	system.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

system.exe

description pid process

Token: SeDebugPrivilege 4684 system.exe

description	pid	process
Token: SeDebugPrivilege	4684	system.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exesystem.exe

description	pid	process	target process
PID 2952 wrote to memory of 4684	2952	de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe	system.exe
PID 2952 wrote to memory of 4684	2952	de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe	system.exe
PID 2952 wrote to memory of 4684	2952	de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe	system.exe
PID 4684 wrote to memory of 4968	4684	system.exe	netsh.exe
PID 4684 wrote to memory of 4968	4684	system.exe	netsh.exe
PID 4684 wrote to memory of 4968	4684	system.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe
"C:\Users\Admin\AppData\Local\Temp\de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2952

C:\Users\Admin\AppData\Local\Temp\system.exe
"C:\Users\Admin\AppData\Local\Temp\system.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4968

Network

MITRE ATT&CK Enterprise 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\system.exe

Filesize
29KB

MD5
883a359e303d65433d684c5ac3353e06

SHA1
392604010aaa0b669dfb7dc86218d44715a4c6cb

SHA256
de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f

SHA512
eeaeacaa84642f3ae6ce40a5ca76c97158ebc5ad33b842a2f5d6a6d5251a302c66d756b3833c189efbec2415dbe6949a98834befa18ea1709e7e29be9f9c9ab3

Download Submit
C:\Users\Admin\AppData\Local\Temp\system.exe

Filesize
29KB

MD5
883a359e303d65433d684c5ac3353e06

SHA1
392604010aaa0b669dfb7dc86218d44715a4c6cb

SHA256
de52852ad329a7837129fbefbafd8e97ec0755a2d30907644bae1582e1d5a28f

SHA512
eeaeacaa84642f3ae6ce40a5ca76c97158ebc5ad33b842a2f5d6a6d5251a302c66d756b3833c189efbec2415dbe6949a98834befa18ea1709e7e29be9f9c9ab3

Download Submit
memory/2952-132-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/2952-136-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4684-133-0x0000000000000000-mapping.dmp

Download
memory/4684-137-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4684-139-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4968-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads