njrat | c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b

General

Target

c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.exe
Size

168KB
MD5

0ead8bf1a82f825a23acba001fa5d8f4
SHA1

d53abb4494d355f6954cea7ba866588593934992
SHA256

c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b
SHA512

5fda6c76bb39547844114ded578f7881fa9433d8da45d4df67c48cc17a9fce90b90c918e9cc4611b6bb86cef444cb00b11f10d219d3d1eb33f713b4741f8dc05

Score

10^/10

njrat hacked evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:1234

Mutex

cc0012ca95288ee5cb550c3649e082f9

Attributes

reg_key
cc0012ca95288ee5cb550c3649e082f9
splitter
|'|'|

Signatures

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

Processes:

ben.exe

pid process

4948 ben.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2348 netsh.exe

pid	process
4948	ben.exe

pid	process
2348	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:

c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.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 35 IoCs

Processes:

ben.exe

description	pid	process
Token: SeDebugPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe
Token: 33	4948	ben.exe
Token: SeIncBasePriorityPrivilege	4948	ben.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.exeben.exe

description	pid	process	target process
PID 2160 wrote to memory of 4948	2160	c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.exe	ben.exe
PID 2160 wrote to memory of 4948	2160	c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.exe	ben.exe
PID 2160 wrote to memory of 4948	2160	c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.exe	ben.exe
PID 4948 wrote to memory of 2348	4948	ben.exe	netsh.exe
PID 4948 wrote to memory of 2348	4948	ben.exe	netsh.exe
PID 4948 wrote to memory of 2348	4948	ben.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.exe
"C:\Users\Admin\AppData\Local\Temp\c4906d9e92bbbb0302f3409adb459b9bc31f75282780a9a56b6bff2bc908715b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2160

C:\Users\Admin\AppData\Local\Temp\ben.exe
"C:\Users\Admin\AppData\Local\Temp\ben.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ben.exe" "ben.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2348

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

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\ben.exe
Filesize
23KB

MD5
43e1b731ab30055f534ef2276eaa72fb

SHA1
9c648a33edca6b2c6ae54784c219da59a3682c3b

SHA256
e73557e8e6bdffcc0b3add262a502902101f6fa26822aded9c19bdc89135f239

SHA512
2e0b911c41004374e9bd54558a4ee5676c63c1ff8947a92c73d56b8e4f7fa3bc7d7f9aa5798520ce221a371eaf2a97ccdc0dd0791982b0fd70eb7f201d85da7c

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

MD5
43e1b731ab30055f534ef2276eaa72fb

SHA1
9c648a33edca6b2c6ae54784c219da59a3682c3b

SHA256
e73557e8e6bdffcc0b3add262a502902101f6fa26822aded9c19bdc89135f239

SHA512
2e0b911c41004374e9bd54558a4ee5676c63c1ff8947a92c73d56b8e4f7fa3bc7d7f9aa5798520ce221a371eaf2a97ccdc0dd0791982b0fd70eb7f201d85da7c

Download Submit
memory/2160-130-0x0000000000DE0000-0x0000000000E0A000-memory.dmp

Filesize
168KB

Download
memory/2160-131-0x0000000005770000-0x000000000580C000-memory.dmp

Filesize
624KB

Download
memory/2160-132-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/2160-133-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/2160-134-0x0000000005840000-0x000000000584A000-memory.dmp

Filesize
40KB

Download
memory/2160-135-0x0000000005AB0000-0x0000000005B06000-memory.dmp

Filesize
344KB

Download
memory/2348-140-0x0000000000000000-mapping.dmp

Download
memory/4948-136-0x0000000000000000-mapping.dmp

Download
memory/4948-139-0x000000006F700000-0x000000006FCB1000-memory.dmp

Filesize
5.7MB

Download
memory/4948-141-0x000000006F700000-0x000000006FCB1000-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