njrat | 65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d

General

Target

65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe
Size

43KB
MD5

f8d4a7948a07c701c3cf18ff7558a640
SHA1

7ab966f2d89bfa42a17da9ff13013c204fdf8fca
SHA256

65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d
SHA512

28bdadb85be8a1d47f9341059140b80868133eb16cad7f21a73784a2aad7c686f6f49e25bde3376ffb5ccc18d25399693b9aea74da715128e4b698b9a91fbd70

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

192.168.0.73:5552

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

Dllhost.exe

pid process

2904 Dllhost.exe

pid	process
2904	Dllhost.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:

65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe

Drops startup file 2 IoCs

Processes:

Dllhost.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.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: GetForegroundWindowSpam 2 IoCs

Processes:

65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exeDllhost.exe

pid process

2612 65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe
2904 Dllhost.exe

pid	process
2612	65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe
2904	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe
Token: 33	2904	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2904	Dllhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe

description	pid	process	target process
PID 2612 wrote to memory of 2904	2612	65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe	Dllhost.exe
PID 2612 wrote to memory of 2904	2612	65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe	Dllhost.exe
PID 2612 wrote to memory of 2904	2612	65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe	Dllhost.exe

C:\Users\Admin\AppData\Local\Temp\65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe
"C:\Users\Admin\AppData\Local\Temp\65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2612

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2904

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
Filesize
43KB

MD5
f8d4a7948a07c701c3cf18ff7558a640

SHA1
7ab966f2d89bfa42a17da9ff13013c204fdf8fca

SHA256
65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d

SHA512
28bdadb85be8a1d47f9341059140b80868133eb16cad7f21a73784a2aad7c686f6f49e25bde3376ffb5ccc18d25399693b9aea74da715128e4b698b9a91fbd70

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

MD5
f8d4a7948a07c701c3cf18ff7558a640

SHA1
7ab966f2d89bfa42a17da9ff13013c204fdf8fca

SHA256
65396e1f45799af4b88d9bdc56c0be93fc2fc8735a94f1f106c4a843ca16fa6d

SHA512
28bdadb85be8a1d47f9341059140b80868133eb16cad7f21a73784a2aad7c686f6f49e25bde3376ffb5ccc18d25399693b9aea74da715128e4b698b9a91fbd70

Download Submit
memory/2612-130-0x0000000000B70000-0x0000000000B82000-memory.dmp

Filesize
72KB

Download
memory/2612-131-0x0000000005570000-0x000000000560C000-memory.dmp

Filesize
624KB

Download
memory/2612-132-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/2612-133-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/2904-134-0x0000000000000000-mapping.dmp

Download
memory/2904-137-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads