njrat | 0b0bb67a8a1784accf4b11b979b8e3f7738b9c13977042f5901f741ea0dd2b33

General

Target

829e460d99233ba1d31aaa499dba243e.exe
Size

43KB
MD5

829e460d99233ba1d31aaa499dba243e
SHA1

21b122e0f2646f5f10acef7e46690cb2c180206e
SHA256

0b0bb67a8a1784accf4b11b979b8e3f7738b9c13977042f5901f741ea0dd2b33
SHA512

f7a6e068bd5e0c41b6238572b08ffdf951ab573f7e7f182fa9c04e3c08915f43faaa0ffca6b6f4daae8b2cb0033cd2aaf8ec864ec96a0d8b13726d47047d7ced
SSDEEP

384:kZyTFv1mmkuHQUyz7LFFhSiSEM1XdP9fQzAIij+ZsNO3PlpJKkkjh/TzF7pWnJ/B:SgvkgwhzvDhVa1B9muXQ/oI3+L

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

0.tcp.ngrok.io:17590

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

560 Dllhost.exe

pid	process
560	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:

829e460d99233ba1d31aaa499dba243e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation	829e460d99233ba1d31aaa499dba243e.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-1-5-21-1502147629-2175634256-330282290-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\ProgramData\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\ProgramData\\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:

829e460d99233ba1d31aaa499dba243e.exeDllhost.exe

pid process

396 829e460d99233ba1d31aaa499dba243e.exe
560 Dllhost.exe

pid	process
396	829e460d99233ba1d31aaa499dba243e.exe
560	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe
Token: 33	560	Dllhost.exe
Token: SeIncBasePriorityPrivilege	560	Dllhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

829e460d99233ba1d31aaa499dba243e.exe

description	pid	process	target process
PID 396 wrote to memory of 560	396	829e460d99233ba1d31aaa499dba243e.exe	Dllhost.exe
PID 396 wrote to memory of 560	396	829e460d99233ba1d31aaa499dba243e.exe	Dllhost.exe
PID 396 wrote to memory of 560	396	829e460d99233ba1d31aaa499dba243e.exe	Dllhost.exe

C:\Users\Admin\AppData\Local\Temp\829e460d99233ba1d31aaa499dba243e.exe
"C:\Users\Admin\AppData\Local\Temp\829e460d99233ba1d31aaa499dba243e.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:396

C:\ProgramData\Dllhost.exe
"C:\ProgramData\Dllhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:560

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:\ProgramData\Dllhost.exe
Filesize
43KB

MD5
829e460d99233ba1d31aaa499dba243e

SHA1
21b122e0f2646f5f10acef7e46690cb2c180206e

SHA256
0b0bb67a8a1784accf4b11b979b8e3f7738b9c13977042f5901f741ea0dd2b33

SHA512
f7a6e068bd5e0c41b6238572b08ffdf951ab573f7e7f182fa9c04e3c08915f43faaa0ffca6b6f4daae8b2cb0033cd2aaf8ec864ec96a0d8b13726d47047d7ced

Download Submit
C:\ProgramData\Dllhost.exe
Filesize
43KB

MD5
829e460d99233ba1d31aaa499dba243e

SHA1
21b122e0f2646f5f10acef7e46690cb2c180206e

SHA256
0b0bb67a8a1784accf4b11b979b8e3f7738b9c13977042f5901f741ea0dd2b33

SHA512
f7a6e068bd5e0c41b6238572b08ffdf951ab573f7e7f182fa9c04e3c08915f43faaa0ffca6b6f4daae8b2cb0033cd2aaf8ec864ec96a0d8b13726d47047d7ced

Download Submit
memory/396-135-0x0000000000B20000-0x0000000000B32000-memory.dmp

Filesize
72KB

Download
memory/396-136-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/396-137-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/396-138-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/560-139-0x0000000000000000-mapping.dmp

Download
memory/560-142-0x0000000005180000-0x000000000518A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads