njrat | 0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b

General

Target

0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
Size

207KB
MD5

03f30bb108c14dd61e8cc7283ff03540
SHA1

f8de8c631e4c0bce2c0fb172e073d04cafbcc977
SHA256

0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b
SHA512

10fea7e48e877055d1abb498f3dfc22dd110a1ebab832b05e5538fcc47c3dcf8bc25516d9ac251ef33c370e019506d9d8631fc6280d388e62214165d16f90602
SSDEEP

3072:opc0A07hw14W+9u08t4uuQU8gd8RM9lOOQCtWnYBV7MnidGiy6Vy3BuOyFmrsds:Ip7hxhySuuQUwkQCtWk7MgQkQ5yFd

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

biggsmall.no-ip.biz:5552

Mutex

27f240735122562cdace87e6f4dc2e8b

Attributes

reg_key
27f240735122562cdace87e6f4dc2e8b
splitter
|'|'|

Signatures

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

Processes:

taskeng.exetaskeng.exe

pid process

3412 taskeng.exe
4488 taskeng.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3212 netsh.exe

pid	process
3412	taskeng.exe
4488	taskeng.exe

pid	process
3212	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:

0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe

Drops startup file 2 IoCs

Processes:

taskeng.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\27f240735122562cdace87e6f4dc2e8b.exe	taskeng.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\27f240735122562cdace87e6f4dc2e8b.exe	taskeng.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

taskeng.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\27f240735122562cdace87e6f4dc2e8b = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskeng.exe\" .."	taskeng.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\27f240735122562cdace87e6f4dc2e8b = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskeng.exe\" .."	taskeng.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exetaskeng.exe

description	pid	process	target process
PID 4664 set thread context of 1040	4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
PID 3412 set thread context of 4488	3412	taskeng.exe	taskeng.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 6 IoCs

Processes:

0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exetaskeng.exe

pid	process
4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
3412	taskeng.exe
3412	taskeng.exe
3412	taskeng.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exetaskeng.exetaskeng.exe

description	pid	process
Token: SeDebugPrivilege	4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
Token: SeDebugPrivilege	3412	taskeng.exe
Token: SeDebugPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe
Token: 33	4488	taskeng.exe
Token: SeIncBasePriorityPrivilege	4488	taskeng.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exetaskeng.exetaskeng.exe

description	pid	process	target process
PID 4664 wrote to memory of 1040	4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
PID 4664 wrote to memory of 1040	4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
PID 4664 wrote to memory of 1040	4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
PID 4664 wrote to memory of 1040	4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
PID 4664 wrote to memory of 1040	4664	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
PID 1040 wrote to memory of 3412	1040	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	taskeng.exe
PID 1040 wrote to memory of 3412	1040	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	taskeng.exe
PID 1040 wrote to memory of 3412	1040	0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe	taskeng.exe
PID 3412 wrote to memory of 4488	3412	taskeng.exe	taskeng.exe
PID 3412 wrote to memory of 4488	3412	taskeng.exe	taskeng.exe
PID 3412 wrote to memory of 4488	3412	taskeng.exe	taskeng.exe
PID 3412 wrote to memory of 4488	3412	taskeng.exe	taskeng.exe
PID 3412 wrote to memory of 4488	3412	taskeng.exe	taskeng.exe
PID 4488 wrote to memory of 3212	4488	taskeng.exe	netsh.exe
PID 4488 wrote to memory of 3212	4488	taskeng.exe	netsh.exe
PID 4488 wrote to memory of 3212	4488	taskeng.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
"C:\Users\Admin\AppData\Local\Temp\0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4664

C:\Users\Admin\AppData\Local\Temp\0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
C:\Users\Admin\AppData\Local\Temp\0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1040

C:\Users\Admin\AppData\Roaming\taskeng.exe
"C:\Users\Admin\AppData\Roaming\taskeng.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412

C:\Users\Admin\AppData\Roaming\taskeng.exe
C:\Users\Admin\AppData\Roaming\taskeng.exe
4⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4488

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\taskeng.exe" "taskeng.exe" ENABLE
5⤵
- Modifies Windows Firewall
PID:3212

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b.exe.log
Filesize
587B

MD5
71a04c1dc6609ccd637da41c8946774f

SHA1
1519d646d76e7b143adae49ef0de5119981e9c5e

SHA256
0267b5fc0869759d96b3a824a1a75395f1c7d01f651b69d6cf50c3ed560fe91a

SHA512
3bd32a31478a3732949698703f883b6ce217890d4a57d547e9ee7dee79b2a2682b790309f56a2cf467e74430cb4b90d93cd7fb82a9d549468ff1465cc4149350

Download Submit
C:\Users\Admin\AppData\Roaming\taskeng.exe
Filesize
207KB

MD5
03f30bb108c14dd61e8cc7283ff03540

SHA1
f8de8c631e4c0bce2c0fb172e073d04cafbcc977

SHA256
0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b

SHA512
10fea7e48e877055d1abb498f3dfc22dd110a1ebab832b05e5538fcc47c3dcf8bc25516d9ac251ef33c370e019506d9d8631fc6280d388e62214165d16f90602

Download Submit
C:\Users\Admin\AppData\Roaming\taskeng.exe
Filesize
207KB

MD5
03f30bb108c14dd61e8cc7283ff03540

SHA1
f8de8c631e4c0bce2c0fb172e073d04cafbcc977

SHA256
0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b

SHA512
10fea7e48e877055d1abb498f3dfc22dd110a1ebab832b05e5538fcc47c3dcf8bc25516d9ac251ef33c370e019506d9d8631fc6280d388e62214165d16f90602

Download Submit
C:\Users\Admin\AppData\Roaming\taskeng.exe
Filesize
207KB

MD5
03f30bb108c14dd61e8cc7283ff03540

SHA1
f8de8c631e4c0bce2c0fb172e073d04cafbcc977

SHA256
0e94a726b6cfe94bd8de2ef6f8ef70f543ae062c02ce62179a968470ce183e8b

SHA512
10fea7e48e877055d1abb498f3dfc22dd110a1ebab832b05e5538fcc47c3dcf8bc25516d9ac251ef33c370e019506d9d8631fc6280d388e62214165d16f90602

Download Submit
memory/1040-136-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/1040-134-0x0000000000000000-mapping.dmp

Download
memory/1040-142-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/1040-135-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3212-149-0x0000000000000000-mapping.dmp

Download
memory/3412-143-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/3412-148-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/3412-138-0x0000000000000000-mapping.dmp

Download
memory/4488-144-0x0000000000000000-mapping.dmp

Download
memory/4488-147-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/4488-150-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/4664-132-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/4664-137-0x0000000075510000-0x0000000075AC1000-memory.dmp

Filesize
5.7MB

Download
memory/4664-133-0x0000000075510000-0x0000000075AC1000-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