njrat | e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a

General

Target

e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe
Size

43KB
MD5

8935f1fb68a10140627c0932a24cbb68
SHA1

9a71e4555bc34507412a9b37f8719a59e12196f8
SHA256

e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a
SHA512

ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

bliter.hopto.org:1177

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 4 IoCs

Processes:

svchost.exeServer.exeServer.exeServer.exe

pid process

2552 svchost.exe
2656 Server.exe
4436 Server.exe
4316 Server.exe

pid	process
2552	svchost.exe
2656	Server.exe
4436	Server.exe
4316	Server.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:

e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3432 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exesvchost.exe

pid process

3764 e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe
2552 svchost.exe

pid	process
3432	schtasks.exe

pid	process
3764	e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe
2552	svchost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe
Token: 33	2552	svchost.exe
Token: SeIncBasePriorityPrivilege	2552	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exesvchost.exe

description	pid	process	target process
PID 3764 wrote to memory of 2552	3764	e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe	svchost.exe
PID 3764 wrote to memory of 2552	3764	e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe	svchost.exe
PID 3764 wrote to memory of 2552	3764	e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe	svchost.exe
PID 2552 wrote to memory of 3432	2552	svchost.exe	schtasks.exe
PID 2552 wrote to memory of 3432	2552	svchost.exe	schtasks.exe
PID 2552 wrote to memory of 3432	2552	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe
"C:\Users\Admin\AppData\Local\Temp\e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3764

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
3⤵
- Creates scheduled task(s)
PID:3432

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:2656

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:4436

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:4316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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_v4.0_32\UsageLogs\Server.exe.log
Filesize
507B

MD5
25d1b50e7c0d451f3d850eb54d27ca05

SHA1
a238807715c70a335f54e80d4855644b21a9e870

SHA256
650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

SHA512
4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
8935f1fb68a10140627c0932a24cbb68

SHA1
9a71e4555bc34507412a9b37f8719a59e12196f8

SHA256
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a

SHA512
ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
8935f1fb68a10140627c0932a24cbb68

SHA1
9a71e4555bc34507412a9b37f8719a59e12196f8

SHA256
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a

SHA512
ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
8935f1fb68a10140627c0932a24cbb68

SHA1
9a71e4555bc34507412a9b37f8719a59e12196f8

SHA256
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a

SHA512
ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
8935f1fb68a10140627c0932a24cbb68

SHA1
9a71e4555bc34507412a9b37f8719a59e12196f8

SHA256
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a

SHA512
ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
43KB

MD5
8935f1fb68a10140627c0932a24cbb68

SHA1
9a71e4555bc34507412a9b37f8719a59e12196f8

SHA256
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a

SHA512
ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
43KB

MD5
8935f1fb68a10140627c0932a24cbb68

SHA1
9a71e4555bc34507412a9b37f8719a59e12196f8

SHA256
e93376eca148b6ef2306fe6d2433729dc4ce746639ecae006669b5f5b21b884a

SHA512
ff9d77cb12e2b8eede76a45b56a507c186b0c669fa951ca8bc47c7e8dbd6438bfdf26d39cb5f5ea4ebeebb24dff4acde387ac33b1d4e5d893e96d7318766044b

Download Submit
memory/2552-138-0x00000000060E0000-0x00000000060EA000-memory.dmp

Filesize
40KB

Download
memory/2552-134-0x0000000000000000-mapping.dmp

Download
memory/3432-137-0x0000000000000000-mapping.dmp

Download
memory/3764-130-0x0000000000CD0000-0x0000000000CE2000-memory.dmp

Filesize
72KB

Download
memory/3764-133-0x0000000005A80000-0x0000000005B12000-memory.dmp

Filesize
584KB

Download
memory/3764-132-0x0000000005F10000-0x00000000064B4000-memory.dmp

Filesize
5.6MB

Download
memory/3764-131-0x00000000056C0000-0x000000000575C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads