njrat | 9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac

General

Target

9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe
Size

219KB
MD5

d4b767364b44696a5f507c46359ba400
SHA1

94dafff404e1f36749a885de5614d7ef3741763d
SHA256

9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac
SHA512

1fa0c8818a0c7cf00526a60e2705312f4bd31c73a9dc3e2993d051bc2f78a2f58db28ae0be017fac9c38bf620181fc97f4647fac2a9f97a4e163d16c9e07d1b4

Score

10^/10

njrat system persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

system

C2

bozuksaatiniz.duckdns.org:1604

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:

systemupdate.exe

pid process

1708 systemupdate.exe

pid	process
1708	systemupdate.exe

Drops startup file 2 IoCs

Processes:

systemupdate.exe

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

Loads dropped DLL 1 IoCs

Processes:

9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe

pid process

992 9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe

pid	process
992	9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

systemupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\systemupdate.exe\" .."	systemupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\systemupdate.exe\" .."	systemupdate.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 1 IoCs

Processes:

systemupdate.exe

pid process

1708 systemupdate.exe

pid	process
1708	systemupdate.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

systemupdate.exe

description	pid	process
Token: SeDebugPrivilege	1708	systemupdate.exe
Token: 33	1708	systemupdate.exe
Token: SeIncBasePriorityPrivilege	1708	systemupdate.exe
Token: 33	1708	systemupdate.exe
Token: SeIncBasePriorityPrivilege	1708	systemupdate.exe
Token: 33	1708	systemupdate.exe
Token: SeIncBasePriorityPrivilege	1708	systemupdate.exe
Token: 33	1708	systemupdate.exe
Token: SeIncBasePriorityPrivilege	1708	systemupdate.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe

description	pid	process	target process
PID 992 wrote to memory of 1708	992	9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe	systemupdate.exe
PID 992 wrote to memory of 1708	992	9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe	systemupdate.exe
PID 992 wrote to memory of 1708	992	9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe	systemupdate.exe
PID 992 wrote to memory of 1708	992	9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe	systemupdate.exe
PID 992 wrote to memory of 1708	992	9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe	systemupdate.exe
PID 992 wrote to memory of 1708	992	9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe	systemupdate.exe
PID 992 wrote to memory of 1708	992	9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe	systemupdate.exe

C:\Users\Admin\AppData\Local\Temp\9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe
"C:\Users\Admin\AppData\Local\Temp\9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:992

C:\Users\Admin\AppData\Local\Temp\systemupdate.exe
"C:\Users\Admin\AppData\Local\Temp\systemupdate.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1708

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\systemupdate.exe
Filesize
219KB

MD5
d4b767364b44696a5f507c46359ba400

SHA1
94dafff404e1f36749a885de5614d7ef3741763d

SHA256
9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac

SHA512
1fa0c8818a0c7cf00526a60e2705312f4bd31c73a9dc3e2993d051bc2f78a2f58db28ae0be017fac9c38bf620181fc97f4647fac2a9f97a4e163d16c9e07d1b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\systemupdate.exe
Filesize
219KB

MD5
d4b767364b44696a5f507c46359ba400

SHA1
94dafff404e1f36749a885de5614d7ef3741763d

SHA256
9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac

SHA512
1fa0c8818a0c7cf00526a60e2705312f4bd31c73a9dc3e2993d051bc2f78a2f58db28ae0be017fac9c38bf620181fc97f4647fac2a9f97a4e163d16c9e07d1b4

Download Submit
\Users\Admin\AppData\Local\Temp\systemupdate.exe
Filesize
219KB

MD5
d4b767364b44696a5f507c46359ba400

SHA1
94dafff404e1f36749a885de5614d7ef3741763d

SHA256
9047cdc0d2b4545510afd790a22a2b8ae80ffd93417fc9298c45ce19c9e6afac

SHA512
1fa0c8818a0c7cf00526a60e2705312f4bd31c73a9dc3e2993d051bc2f78a2f58db28ae0be017fac9c38bf620181fc97f4647fac2a9f97a4e163d16c9e07d1b4

Download Submit
memory/992-54-0x0000000000CD0000-0x0000000000D0E000-memory.dmp

Filesize
248KB

Download
memory/992-55-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/992-56-0x00000000002B0000-0x00000000002C2000-memory.dmp

Filesize
72KB

Download
memory/992-57-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1708-59-0x0000000000000000-mapping.dmp

Download
memory/1708-62-0x00000000010C0000-0x00000000010FE000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads