njrat | 7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13

General

Target

7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exe
Size

204KB
MD5

0533e0caeec8875a6fcf0158f80c3db6
SHA1

8f401c324aa18b659176e08394f81081107fb69d
SHA256

7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13
SHA512

714f4679e5bfd9a3230a7e9cc99939e0259701d0108207fa4764b435cd4ab2764409aeb7d837d1a394e63fa1339441edc6843566e5797992abdb4fe91ce7d443
SSDEEP

3072:LS680+GweUyShZ9LMCiCaC0e4xCU9VyiD/dI3N/CshRZGjK5o3:tlU99LMCiCaCmZVhD/iJb7Zr

Score

10^/10

njrat ‏فہۧايہۧروسہ الہۧعہۧراق هناا evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

‏فہۧايہۧروسہ الہۧعہۧراق هناا

C2

jaki3254.ddns.net:2001

Mutex

85039fd7c6f37e1e0601b12298c6e30f

Attributes

reg_key
85039fd7c6f37e1e0601b12298c6e30f
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

LocalJcNaSBEJUG.exesys02tm.exe

pid process

3444 LocalJcNaSBEJUG.exe
1244 sys02tm.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4500 netsh.exe

pid	process
3444	LocalJcNaSBEJUG.exe
1244	sys02tm.exe

pid	process
4500	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

LocalJcNaSBEJUG.exe7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	LocalJcNaSBEJUG.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sys02tm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\85039fd7c6f37e1e0601b12298c6e30f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sys02tm.exe\" .."	sys02tm.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\85039fd7c6f37e1e0601b12298c6e30f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sys02tm.exe\" .."	sys02tm.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 23 IoCs

Processes:

sys02tm.exe

description	pid	process
Token: SeDebugPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe
Token: 33	1244	sys02tm.exe
Token: SeIncBasePriorityPrivilege	1244	sys02tm.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exeLocalJcNaSBEJUG.exesys02tm.exe

description	pid	process	target process
PID 5008 wrote to memory of 3444	5008	7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exe	LocalJcNaSBEJUG.exe
PID 5008 wrote to memory of 3444	5008	7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exe	LocalJcNaSBEJUG.exe
PID 5008 wrote to memory of 3444	5008	7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exe	LocalJcNaSBEJUG.exe
PID 3444 wrote to memory of 1244	3444	LocalJcNaSBEJUG.exe	sys02tm.exe
PID 3444 wrote to memory of 1244	3444	LocalJcNaSBEJUG.exe	sys02tm.exe
PID 3444 wrote to memory of 1244	3444	LocalJcNaSBEJUG.exe	sys02tm.exe
PID 1244 wrote to memory of 4500	1244	sys02tm.exe	netsh.exe
PID 1244 wrote to memory of 4500	1244	sys02tm.exe	netsh.exe
PID 1244 wrote to memory of 4500	1244	sys02tm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exe
"C:\Users\Admin\AppData\Local\Temp\7826055251fe15da2e29f1577c6b81a787d774d207730e8d933c97b3a6446e13.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5008

C:\Users\Admin\AppData\LocalJcNaSBEJUG.exe
"C:\Users\Admin\AppData\LocalJcNaSBEJUG.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3444

C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
"C:\Users\Admin\AppData\Local\Temp\sys02tm.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sys02tm.exe" "sys02tm.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:4500

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalJcNaSBEJUG.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
C:\Users\Admin\AppData\LocalJcNaSBEJUG.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
memory/1244-138-0x0000000000000000-mapping.dmp

Download
memory/1244-142-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/1244-144-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/3444-137-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/3444-136-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/3444-133-0x0000000000000000-mapping.dmp

Download
memory/3444-141-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4500-143-0x0000000000000000-mapping.dmp

Download
memory/5008-132-0x00007FFFCD420000-0x00007FFFCDE56000-memory.dmp

Filesize
10.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads