njrat | 2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3

General

Target

2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
Size

389KB
MD5

01960910f4cc1692918f0643ac14dc3b
SHA1

f87f85850f233d55b6ce411591d62efeeb4d2d74
SHA256

2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3
SHA512

aad4bf6c0e4bc245d5c3e1c07d930d54b976e2caebbfa392eceb0768424564dc925d953f32b169c927501edaad53adf25537a75e8002d1bb00b445fe4caf7c07

Score

10^/10

njrat agilenet persistence trojan

Malware Config

Signatures

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

Processes:

DefenderUpdateAnalyse.exeDefenderUpdateAnalyse.exe

pid process

1852 DefenderUpdateAnalyse.exe
1768 DefenderUpdateAnalyse.exe

pid	process
1852	DefenderUpdateAnalyse.exe
1768	DefenderUpdateAnalyse.exe

Drops startup file 2 IoCs

Processes:

DefenderUpdateAnalyse.exe

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

Loads dropped DLL 2 IoCs

Processes:

2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exeDefenderUpdateAnalyse.exe

pid process

2000 2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
1852 DefenderUpdateAnalyse.exe

pid	process
2000	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
1852	DefenderUpdateAnalyse.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1092-57-0x0000000000300000-0x000000000030C000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DefenderUpdateAnalyse.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\DefenderUpdateAnalyse.exe = "\"C:\\ProgramData\\DefenderUpdateAnalyse.exe\" .."	DefenderUpdateAnalyse.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DefenderUpdateAnalyse.exe = "\"C:\\ProgramData\\DefenderUpdateAnalyse.exe\" .."	DefenderUpdateAnalyse.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exeDefenderUpdateAnalyse.exe

description	pid	process	target process
PID 1092 set thread context of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1852 set thread context of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.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 17 IoCs

Processes:

2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exeDefenderUpdateAnalyse.exeDefenderUpdateAnalyse.exe

description	pid	process
Token: SeDebugPrivilege	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
Token: 33	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
Token: SeIncBasePriorityPrivilege	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
Token: SeDebugPrivilege	1852	DefenderUpdateAnalyse.exe
Token: 33	1852	DefenderUpdateAnalyse.exe
Token: SeIncBasePriorityPrivilege	1852	DefenderUpdateAnalyse.exe
Token: SeDebugPrivilege	1768	DefenderUpdateAnalyse.exe
Token: 33	1768	DefenderUpdateAnalyse.exe
Token: SeIncBasePriorityPrivilege	1768	DefenderUpdateAnalyse.exe
Token: 33	1768	DefenderUpdateAnalyse.exe
Token: SeIncBasePriorityPrivilege	1768	DefenderUpdateAnalyse.exe
Token: 33	1768	DefenderUpdateAnalyse.exe
Token: SeIncBasePriorityPrivilege	1768	DefenderUpdateAnalyse.exe
Token: 33	1768	DefenderUpdateAnalyse.exe
Token: SeIncBasePriorityPrivilege	1768	DefenderUpdateAnalyse.exe
Token: 33	1768	DefenderUpdateAnalyse.exe
Token: SeIncBasePriorityPrivilege	1768	DefenderUpdateAnalyse.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exeDefenderUpdateAnalyse.exe

description	pid	process	target process
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 1092 wrote to memory of 2000	1092	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
PID 2000 wrote to memory of 1852	2000	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	DefenderUpdateAnalyse.exe
PID 2000 wrote to memory of 1852	2000	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	DefenderUpdateAnalyse.exe
PID 2000 wrote to memory of 1852	2000	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	DefenderUpdateAnalyse.exe
PID 2000 wrote to memory of 1852	2000	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	DefenderUpdateAnalyse.exe
PID 2000 wrote to memory of 1852	2000	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	DefenderUpdateAnalyse.exe
PID 2000 wrote to memory of 1852	2000	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	DefenderUpdateAnalyse.exe
PID 2000 wrote to memory of 1852	2000	2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe
PID 1852 wrote to memory of 1768	1852	DefenderUpdateAnalyse.exe	DefenderUpdateAnalyse.exe

C:\Users\Admin\AppData\Local\Temp\2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
"C:\Users\Admin\AppData\Local\Temp\2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Admin\AppData\Local\Temp\2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
C:\Users\Admin\AppData\Local\Temp\2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2000

C:\ProgramData\DefenderUpdateAnalyse.exe
"C:\ProgramData\DefenderUpdateAnalyse.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852

C:\ProgramData\DefenderUpdateAnalyse.exe
C:\ProgramData\DefenderUpdateAnalyse.exe
4⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\DefenderUpdateAnalyse.exe
Filesize
389KB

MD5
01960910f4cc1692918f0643ac14dc3b

SHA1
f87f85850f233d55b6ce411591d62efeeb4d2d74

SHA256
2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3

SHA512
aad4bf6c0e4bc245d5c3e1c07d930d54b976e2caebbfa392eceb0768424564dc925d953f32b169c927501edaad53adf25537a75e8002d1bb00b445fe4caf7c07

Download Submit
C:\ProgramData\DefenderUpdateAnalyse.exe
Filesize
389KB

MD5
01960910f4cc1692918f0643ac14dc3b

SHA1
f87f85850f233d55b6ce411591d62efeeb4d2d74

SHA256
2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3

SHA512
aad4bf6c0e4bc245d5c3e1c07d930d54b976e2caebbfa392eceb0768424564dc925d953f32b169c927501edaad53adf25537a75e8002d1bb00b445fe4caf7c07

Download Submit
C:\ProgramData\DefenderUpdateAnalyse.exe
Filesize
389KB

MD5
01960910f4cc1692918f0643ac14dc3b

SHA1
f87f85850f233d55b6ce411591d62efeeb4d2d74

SHA256
2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3

SHA512
aad4bf6c0e4bc245d5c3e1c07d930d54b976e2caebbfa392eceb0768424564dc925d953f32b169c927501edaad53adf25537a75e8002d1bb00b445fe4caf7c07

Download Submit
\ProgramData\DefenderUpdateAnalyse.exe
Filesize
389KB

MD5
01960910f4cc1692918f0643ac14dc3b

SHA1
f87f85850f233d55b6ce411591d62efeeb4d2d74

SHA256
2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3

SHA512
aad4bf6c0e4bc245d5c3e1c07d930d54b976e2caebbfa392eceb0768424564dc925d953f32b169c927501edaad53adf25537a75e8002d1bb00b445fe4caf7c07

Download Submit
\ProgramData\DefenderUpdateAnalyse.exe
Filesize
389KB

MD5
01960910f4cc1692918f0643ac14dc3b

SHA1
f87f85850f233d55b6ce411591d62efeeb4d2d74

SHA256
2a91aea6878d4101207c5590e652a0ea2aed8739742b778ae7fc8e9e9d6700c3

SHA512
aad4bf6c0e4bc245d5c3e1c07d930d54b976e2caebbfa392eceb0768424564dc925d953f32b169c927501edaad53adf25537a75e8002d1bb00b445fe4caf7c07

Download Submit
memory/1092-54-0x0000000000F80000-0x0000000000FEC000-memory.dmp

Filesize
432KB

Download
memory/1092-55-0x0000000000230000-0x0000000000266000-memory.dmp

Filesize
216KB

Download
memory/1092-56-0x0000000000A30000-0x0000000000A58000-memory.dmp

Filesize
160KB

Download
memory/1092-57-0x0000000000300000-0x000000000030C000-memory.dmp

Filesize
48KB

Download
memory/1768-362-0x000000000042A5DE-mapping.dmp

Download
memory/1852-353-0x0000000000230000-0x000000000029C000-memory.dmp

Filesize
432KB

Download
memory/1852-350-0x0000000000000000-mapping.dmp

Download
memory/2000-89-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-103-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-73-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-75-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-77-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-79-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-81-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-83-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-85-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-87-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-69-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-91-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-93-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-95-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-97-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-99-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-101-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-71-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-105-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-107-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-109-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-111-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-113-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-115-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-117-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-119-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-121-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-67-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-64-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-65-0x000000000042A5DE-mapping.dmp

Download
memory/2000-63-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-62-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-61-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-59-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2000-58-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads