njrat | 65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263

General

Target

65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exe
Size

23KB
MD5

bc17077cf4a198a253c6e263c184c27c
SHA1

16042b752eaa17251c7272636f9cf54633603285
SHA256

65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263
SHA512

40f3f29d988c40cd4067b3dd3a8831be7ae446e4b64b7e35a7542b96675c788cc3066228317bf9d98c88556ebe66d2b357a46e27ae911473dad571fec1c48450
SSDEEP

384:hslUlEvOEJ8xWwYJOMiOBZEdj1567gtwi5HhbQmRvR6JZlbw8hqIusZzZZP:ieEvwIlLMRpcnuy

Score

10^/10

njrat adel evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

aDeL

C2

bilou04.no-ip.org:5010

Mutex

bf20130b1b28d57b9c879b9943595d8a

Attributes

reg_key
bf20130b1b28d57b9c879b9943595d8a
splitter
|'|'|

Signatures

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

Processes:

Chrome.exe

pid process

4460 Chrome.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4628 netsh.exe

pid	process
4460	Chrome.exe

pid	process
4628	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:

65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exe

Drops startup file 2 IoCs

Processes:

Chrome.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bf20130b1b28d57b9c879b9943595d8a.exe	Chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bf20130b1b28d57b9c879b9943595d8a.exe	Chrome.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Chrome.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bf20130b1b28d57b9c879b9943595d8a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bf20130b1b28d57b9c879b9943595d8a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.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 25 IoCs

Processes:

Chrome.exe

description	pid	process
Token: SeDebugPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe
Token: 33	4460	Chrome.exe
Token: SeIncBasePriorityPrivilege	4460	Chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exeChrome.exe

description	pid	process	target process
PID 2880 wrote to memory of 4460	2880	65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exe	Chrome.exe
PID 2880 wrote to memory of 4460	2880	65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exe	Chrome.exe
PID 2880 wrote to memory of 4460	2880	65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exe	Chrome.exe
PID 4460 wrote to memory of 4628	4460	Chrome.exe	netsh.exe
PID 4460 wrote to memory of 4628	4460	Chrome.exe	netsh.exe
PID 4460 wrote to memory of 4628	4460	Chrome.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exe
"C:\Users\Admin\AppData\Local\Temp\65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2880

C:\Users\Admin\AppData\Local\Temp\Chrome.exe
"C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4628

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\Chrome.exe
Filesize
23KB

MD5
bc17077cf4a198a253c6e263c184c27c

SHA1
16042b752eaa17251c7272636f9cf54633603285

SHA256
65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263

SHA512
40f3f29d988c40cd4067b3dd3a8831be7ae446e4b64b7e35a7542b96675c788cc3066228317bf9d98c88556ebe66d2b357a46e27ae911473dad571fec1c48450

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

MD5
bc17077cf4a198a253c6e263c184c27c

SHA1
16042b752eaa17251c7272636f9cf54633603285

SHA256
65940be895edb9f6043e7310219a561ce1c860e7e4e386a0344a09672f987263

SHA512
40f3f29d988c40cd4067b3dd3a8831be7ae446e4b64b7e35a7542b96675c788cc3066228317bf9d98c88556ebe66d2b357a46e27ae911473dad571fec1c48450

Download Submit
memory/2880-132-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2880-133-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2880-137-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4460-134-0x0000000000000000-mapping.dmp

Download
memory/4460-138-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4460-140-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4628-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads