njrat | d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4

Analysis

max time kernel
158s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 19:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe
Size

3.4MB
MD5

7ef0468daf64cf55ea84b641ff713ddd
SHA1

1ec21e9e638947a8ed183d00dfab72e0d1127331
SHA256

d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4
SHA512

46d2ee7efdd263a2bdc3747f725ee1e2c58dfcce2ad3a0f9c4c4ec754c3b9ff2bf0e9f6be7172a3b06975783069caf3d9d0fb18d11b30037c7aa91baaf0a01dd
SSDEEP

98304:Nviz/27qWGq/TzuqCDl2Ptao7jjUUYW3N5:Nviq75/TzufKnN5

Score

10^/10

njrat ?persistence trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

stallkermonolit9.ddns.net:6522

Mutex

2090a55760d1c98654faa55422bdd11b

Attributes

reg_key
2090a55760d1c98654faa55422bdd11b
splitter
|'|'|

Signatures

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

Processes:

CDS.execrypted.exe

pid process

1696 CDS.exe
1864 crypted.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:

CDS.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation CDS.exe
Loads dropped DLL 1 IoCs

Processes:

CDS.exe

pid process

1696 CDS.exe

pid	process
1696	CDS.exe
1864	crypted.exe

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

pid	process
1696	CDS.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe

Drops file in Windows directory 2 IoCs

Processes:

crypted.exe

description	ioc	process
File opened for modification	C:\Windows\РёРЅСЃСЂСѓРєС†РёСЏ	crypted.exe
File created	C:\Windows\РёРЅСЃСЂСѓРєС†РёСЏ	crypted.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

crypted.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	crypted.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CDS.exe

pid process

1696 CDS.exe
1696 CDS.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AUDIODG.EXE

description pid process

Token: 33 800 AUDIODG.EXE
Token: SeIncBasePriorityPrivilege 800 AUDIODG.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

CDS.exeOpenWith.exe

pid process

1696 CDS.exe
1696 CDS.exe
640 OpenWith.exe

pid	process
1696	CDS.exe
1696	CDS.exe

description	pid	process
Token: 33	800	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	800	AUDIODG.EXE

pid	process
1696	CDS.exe
1696	CDS.exe
640	OpenWith.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exeCDS.exe

description	pid	process	target process
PID 2688 wrote to memory of 1696	2688	d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe	CDS.exe
PID 2688 wrote to memory of 1696	2688	d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe	CDS.exe
PID 2688 wrote to memory of 1696	2688	d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe	CDS.exe
PID 1696 wrote to memory of 1864	1696	CDS.exe	crypted.exe
PID 1696 wrote to memory of 1864	1696	CDS.exe	crypted.exe
PID 1696 wrote to memory of 1864	1696	CDS.exe	crypted.exe

C:\Users\Admin\AppData\Local\Temp\d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe
"C:\Users\Admin\AppData\Local\Temp\d3d55145b725f30b6b3c7cff500b0fcb2f1d2c00ef43dbdc1f81a905b7eff8e4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2688

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
2⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
"C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
3⤵
- Executes dropped EXE
- Drops file in Windows directory
- Modifies registry class
PID:1864

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x448 0x418
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:800

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\630_10.png
Filesize
2KB

MD5
340b294efc691d1b20c64175d565ebc7

SHA1
81cb9649bd1c9a62ae79e781818fc24d15c29ce7

SHA256
72566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9

SHA512
1395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.cdd
Filesize
13KB

MD5
3e7ecaeb51c2812d13b07ec852d74aaf

SHA1
e9bdab93596ffb0f7f8c65243c579180939acb26

SHA256
e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96

SHA512
635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
Filesize
6.1MB

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
Filesize
6.1MB

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c.dat
Filesize
337KB

MD5
f12ea9bf6c5c5cd7eaa7b9c1dfdbc528

SHA1
230380f1706ed3af508e4bf370bbb63978a5787d

SHA256
3fc1198b259b1a9a4fdf4291bea50a4eae6c15709731fbd4bef36036d42fdf2e

SHA512
2d36d502198f1b754aa5c0196d875d65140db9ab8780d7d9feb3fef4a709a2a385a9dfd76bdb1c1e91056a2b6f82642f68692ba744a01068ea0cdcb9c8f28fd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
Filesize
337KB

MD5
87187ddf6800e794c2d56177fe0372ba

SHA1
81a8090569e5f3d56a4f2efc987b518b0ea2d922

SHA256
4506a4983762620d57a2e16b57e2887ed5aa56b74c3f328250214aff88f4292c

SHA512
65c5fbe1157391baeec246f5b816d0e2c2f6f90886ef31fbf215cb5627f31fdf6538fe49cebb1879a2ad6b4f0fd23cbe6d1557bc7782fed2831cb0a1876a1b5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
Filesize
337KB

MD5
87187ddf6800e794c2d56177fe0372ba

SHA1
81a8090569e5f3d56a4f2efc987b518b0ea2d922

SHA256
4506a4983762620d57a2e16b57e2887ed5aa56b74c3f328250214aff88f4292c

SHA512
65c5fbe1157391baeec246f5b816d0e2c2f6f90886ef31fbf215cb5627f31fdf6538fe49cebb1879a2ad6b4f0fd23cbe6d1557bc7782fed2831cb0a1876a1b5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fs.settings
Filesize
5B

MD5
68934a3e9455fa72420237eb05902327

SHA1
7cb6efb98ba5972a9b5090dc2e517fe14d12cb04

SHA256
fcbcf165908dd18a9e49f7ff27810176db8e9f63b4352213741664245224f8aa

SHA512
719fa67eef49c4b2a2b83f0c62bddd88c106aaadb7e21ae057c8802b700e36f81fe3f144812d8b05d66dc663d908b25645e153262cf6d457aa34e684af9e328d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll
Filesize
322KB

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll
Filesize
322KB

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
memory/1696-132-0x0000000000000000-mapping.dmp

Download
memory/1864-141-0x0000000000000000-mapping.dmp

Download
memory/1864-144-0x0000000072330000-0x00000000728E1000-memory.dmp

Filesize
5.7MB

Download
memory/1864-145-0x0000000072330000-0x00000000728E1000-memory.dmp

Filesize
5.7MB

Download