njrat | 21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf

General

Target

21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe
Size

4.3MB
MD5

10365cad027d585cbb35187edadd3de8
SHA1

7f2a44cc811016e2e4655b58c697aff9366dfe2b
SHA256

21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf
SHA512

513c9cadf48f4ad2675a52c752f33f339a4f26f5a64b666af3498a23ef775f5b70e5b1f7400e3bb5be94a66599267c07d35dcfabe65481f3974754c9eeae0889
SSDEEP

98304:0sKMWjUBnr7K/QwKFdpx6c0q0H30xy2iwIzSxIejgOYFt:0s+jUB32FYdpV0SihzSxKO4

Score

10^/10

njrat cruzx pain evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Cruzx Pain

C2

eslamdarko.no-ip.org:5552

Mutex

1f54ba241b66e82bbfd9eab0ca5f2691

Attributes

reg_key
1f54ba241b66e82bbfd9eab0ca5f2691
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 3 IoCs

Processes:

2.exe1.exeChrome.exe

pid process

1928 2.exe
1732 1.exe
3624 Chrome.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3964 netsh.exe

pid	process
1928	2.exe
1732	1.exe
3624	Chrome.exe

pid	process
3964	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:

21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	1.exe

Loads dropped DLL 2 IoCs

Processes:

2.exe

pid process

1928 2.exe
1928 2.exe

pid	process
1928	2.exe
1928	2.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1f54ba241b66e82bbfd9eab0ca5f2691 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1f54ba241b66e82bbfd9eab0ca5f2691 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chrome.exe\" .."	Chrome.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

2.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe

Drops file in Windows directory 3 IoCs

Processes:

21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe
File created	C:\Windows\assembly\Desktop.ini	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.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 2 IoCs

Processes:

2.exe

pid process

1928 2.exe
1928 2.exe

pid	process
1928	2.exe
1928	2.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

Chrome.exe

description	pid	process
Token: SeDebugPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe
Token: 33	3624	Chrome.exe
Token: SeIncBasePriorityPrivilege	3624	Chrome.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe1.exeChrome.exe

description	pid	process	target process
PID 1808 wrote to memory of 1928	1808	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe	2.exe
PID 1808 wrote to memory of 1928	1808	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe	2.exe
PID 1808 wrote to memory of 1928	1808	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe	2.exe
PID 1808 wrote to memory of 1732	1808	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe	1.exe
PID 1808 wrote to memory of 1732	1808	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe	1.exe
PID 1808 wrote to memory of 1732	1808	21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe	1.exe
PID 1732 wrote to memory of 3624	1732	1.exe	Chrome.exe
PID 1732 wrote to memory of 3624	1732	1.exe	Chrome.exe
PID 1732 wrote to memory of 3624	1732	1.exe	Chrome.exe
PID 3624 wrote to memory of 3964	3624	Chrome.exe	netsh.exe
PID 3624 wrote to memory of 3964	3624	Chrome.exe	netsh.exe
PID 3624 wrote to memory of 3964	3624	Chrome.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe
"C:\Users\Admin\AppData\Local\Temp\21291467b0ccc071fe21bc4dfb99b466aab187af50c0b0b8999f55f96f5b8bcf.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1808

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1928

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1732

C:\Users\Admin\AppData\Roaming\Chrome.exe
"C:\Users\Admin\AppData\Roaming\Chrome.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3624

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Chrome.exe" "Chrome.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:3964

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

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1.exe

Filesize
23KB

MD5
f370286655bff7e8b073241768767c37

SHA1
929dec5450d3def3c40b05b801fdb749675d6fc0

SHA256
ba68b61a6c28b8d536eadb143dd59e988984fe90910db9b1d177b7c7412570c8

SHA512
1390ed1e78e171a483df20c331c2bc239bdda7ad98f0887decf218d46ef024d0adca9644bbd4a98c753d92b07a670040e54e183375539e91172a9603324c1f0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1.exe

Filesize
23KB

MD5
f370286655bff7e8b073241768767c37

SHA1
929dec5450d3def3c40b05b801fdb749675d6fc0

SHA256
ba68b61a6c28b8d536eadb143dd59e988984fe90910db9b1d177b7c7412570c8

SHA512
1390ed1e78e171a483df20c331c2bc239bdda7ad98f0887decf218d46ef024d0adca9644bbd4a98c753d92b07a670040e54e183375539e91172a9603324c1f0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\2.exe

Filesize
2.7MB

MD5
754591b96b9e4dfc5dbf2136f8dfde87

SHA1
bd3a91fe450a800dbbc8d070159dc0a599043652

SHA256
39f50e9d9b228b8127a7ad9d6eb8659c4e543e1b9a329d03a9fb796498712d07

SHA512
ba385b36a5fa47b6dbd72b64f23f10ed120966b702598dd6fe3947696e7caaa3c88887a44142caea28ed132c343fb6d68ce428204ddafc2b700c49e817e22c82

Download Submit
C:\Users\Admin\AppData\Local\Temp\2.exe

Filesize
2.7MB

MD5
754591b96b9e4dfc5dbf2136f8dfde87

SHA1
bd3a91fe450a800dbbc8d070159dc0a599043652

SHA256
39f50e9d9b228b8127a7ad9d6eb8659c4e543e1b9a329d03a9fb796498712d07

SHA512
ba385b36a5fa47b6dbd72b64f23f10ed120966b702598dd6fe3947696e7caaa3c88887a44142caea28ed132c343fb6d68ce428204ddafc2b700c49e817e22c82

Download Submit
C:\Users\Admin\AppData\Local\Temp\DA28.tmp

Filesize
304KB

MD5
4a40ea8b36ea1c0d529f631147403180

SHA1
00f49a7e137c35c099f27483648a1867f2dd6a92

SHA256
4081976004f161b56920dd957d72edf25d3763bb2424564c8896f80004dab171

SHA512
98f78e75c41028dbcc77a6482c4de50cc4a76d67145adc9af85683071cd5bd8c4a618d3e6352cc5ecdf9b661dcb5f487f1539f33a4a1f9297b552db47e6b6cc7

Download Submit
C:\Users\Admin\AppData\Local\Temp\DA29.tmp

Filesize
227KB

MD5
a51d1c449e9ca956f477f9bfbe67a5c8

SHA1
5ccc5014f6ec7c026f2d57a92d0bbd706a7128f8

SHA256
e7b11df7b54927659930982f8e235666f720255a5f54afaf11a5e62eaaaa821b

SHA512
39dc8c3dfb70df7960afb6cc263e8dfcf126962a94da91eabe465eea3b1eb7cfbd3d23e7c3d9ce4fd30fc6daccd4bd1129e79b67f8fe6085d8d0d3412b5d0cbe

Download Submit
C:\Users\Admin\AppData\Roaming\Chrome.exe

Filesize
23KB

MD5
f370286655bff7e8b073241768767c37

SHA1
929dec5450d3def3c40b05b801fdb749675d6fc0

SHA256
ba68b61a6c28b8d536eadb143dd59e988984fe90910db9b1d177b7c7412570c8

SHA512
1390ed1e78e171a483df20c331c2bc239bdda7ad98f0887decf218d46ef024d0adca9644bbd4a98c753d92b07a670040e54e183375539e91172a9603324c1f0a

Download Submit
C:\Users\Admin\AppData\Roaming\Chrome.exe

Filesize
23KB

MD5
f370286655bff7e8b073241768767c37

SHA1
929dec5450d3def3c40b05b801fdb749675d6fc0

SHA256
ba68b61a6c28b8d536eadb143dd59e988984fe90910db9b1d177b7c7412570c8

SHA512
1390ed1e78e171a483df20c331c2bc239bdda7ad98f0887decf218d46ef024d0adca9644bbd4a98c753d92b07a670040e54e183375539e91172a9603324c1f0a

Download Submit
memory/1732-136-0x0000000000000000-mapping.dmp

Download
memory/1732-141-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1732-146-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1808-142-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1808-132-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/1928-133-0x0000000000000000-mapping.dmp

Download
memory/3624-143-0x0000000000000000-mapping.dmp

Download
memory/3624-147-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/3624-149-0x0000000074F50000-0x0000000075501000-memory.dmp

Filesize
5.7MB

Download
memory/3964-148-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads