njrat | 9e20a27d120e5c258c3046a41b2df347978c0cf4ea1a4d39b21ae0b01f2d7c33

General

Target

5c1472da063d8d58850678083dfa2e7c.exe
Size

120KB
MD5

5c1472da063d8d58850678083dfa2e7c
SHA1

3ca431a654c82c6bc1007f89bfce390c53167132
SHA256

9e20a27d120e5c258c3046a41b2df347978c0cf4ea1a4d39b21ae0b01f2d7c33
SHA512

27ff00ed2fba50cb3bd271a0f972df12e8a36d16e91c89863f84507632a5e29e2b9d460aa9b0e0fa0b0bb1e85e2d5d327c7c1f1f69afc6409abea96e3efcf8cd

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

Microsoft .exe

pid process

2580 Microsoft .exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3044 netsh.exe

pid	process
2580	Microsoft .exe

pid	process
3044	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:

5c1472da063d8d58850678083dfa2e7c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	5c1472da063d8d58850678083dfa2e7c.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Microsoft .exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4c1e56ee7374309d8fa12b913734d668 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .."	Microsoft .exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4c1e56ee7374309d8fa12b913734d668 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .."	Microsoft .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 31 IoCs

Processes:

Microsoft .exe

description	pid	process
Token: SeDebugPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe
Token: 33	2580	Microsoft .exe
Token: SeIncBasePriorityPrivilege	2580	Microsoft .exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5c1472da063d8d58850678083dfa2e7c.exeMicrosoft .exe

description	pid	process	target process
PID 1424 wrote to memory of 2580	1424	5c1472da063d8d58850678083dfa2e7c.exe	Microsoft .exe
PID 1424 wrote to memory of 2580	1424	5c1472da063d8d58850678083dfa2e7c.exe	Microsoft .exe
PID 1424 wrote to memory of 2580	1424	5c1472da063d8d58850678083dfa2e7c.exe	Microsoft .exe
PID 2580 wrote to memory of 3044	2580	Microsoft .exe	netsh.exe
PID 2580 wrote to memory of 3044	2580	Microsoft .exe	netsh.exe
PID 2580 wrote to memory of 3044	2580	Microsoft .exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\5c1472da063d8d58850678083dfa2e7c.exe
"C:\Users\Admin\AppData\Local\Temp\5c1472da063d8d58850678083dfa2e7c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1424

C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
"C:\Users\Admin\AppData\Local\Temp\Microsoft .exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2580

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Microsoft .exe" "Microsoft .exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:3044

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
Filesize
120KB

MD5
5c1472da063d8d58850678083dfa2e7c

SHA1
3ca431a654c82c6bc1007f89bfce390c53167132

SHA256
9e20a27d120e5c258c3046a41b2df347978c0cf4ea1a4d39b21ae0b01f2d7c33

SHA512
27ff00ed2fba50cb3bd271a0f972df12e8a36d16e91c89863f84507632a5e29e2b9d460aa9b0e0fa0b0bb1e85e2d5d327c7c1f1f69afc6409abea96e3efcf8cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
Filesize
120KB

MD5
5c1472da063d8d58850678083dfa2e7c

SHA1
3ca431a654c82c6bc1007f89bfce390c53167132

SHA256
9e20a27d120e5c258c3046a41b2df347978c0cf4ea1a4d39b21ae0b01f2d7c33

SHA512
27ff00ed2fba50cb3bd271a0f972df12e8a36d16e91c89863f84507632a5e29e2b9d460aa9b0e0fa0b0bb1e85e2d5d327c7c1f1f69afc6409abea96e3efcf8cd

Download Submit
memory/1424-132-0x0000000000150000-0x0000000000176000-memory.dmp

Filesize
152KB

Download
memory/1424-133-0x000000000A260000-0x000000000A2FC000-memory.dmp

Filesize
624KB

Download
memory/1424-134-0x000000000A8B0000-0x000000000AE54000-memory.dmp

Filesize
5.6MB

Download
memory/1424-135-0x000000000A3A0000-0x000000000A432000-memory.dmp

Filesize
584KB

Download
memory/1424-136-0x000000000A330000-0x000000000A33A000-memory.dmp

Filesize
40KB

Download
memory/1424-137-0x000000000A530000-0x000000000A586000-memory.dmp

Filesize
344KB

Download
memory/2580-138-0x0000000000000000-mapping.dmp

Download
memory/2580-142-0x00000000052F0000-0x0000000005356000-memory.dmp

Filesize
408KB

Download
memory/3044-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads