njrat | fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41

General

Target

fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe
Size

23KB
MD5

a32d346ae5b16d68c82eb24e72e85e22
SHA1

4ba8b1561e615636a88e4157f9f2bf53070326d4
SHA256

fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41
SHA512

22b79858a6e498a0d46ea425b9d94ab0eec078e44cfdd953fd8c33112627e0b0373ec4dbc60fe2aace21b0f31044586491a058029ecbf7d9a6a4156777da3a4c
SSDEEP

384:y8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZ7G:sY+sNKqNHnSdRpcnu9

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hackeriq.ddns.net:5552

Mutex

63286a81c3a7dd3c6bb20ef63307f18e

Attributes

reg_key
63286a81c3a7dd3c6bb20ef63307f18e
splitter
|'|'|

Signatures

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

Processes:

chrome.exe

pid process

1480 chrome.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

836 netsh.exe

pid	process
1480	chrome.exe

pid	process
836	netsh.exe

Drops startup file 2 IoCs

Processes:

chrome.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\63286a81c3a7dd3c6bb20ef63307f18e.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\63286a81c3a7dd3c6bb20ef63307f18e.exe	chrome.exe

Loads dropped DLL 1 IoCs

Processes:

fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe

pid process

1632 fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe

pid	process
1632	fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chrome.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\63286a81c3a7dd3c6bb20ef63307f18e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\63286a81c3a7dd3c6bb20ef63307f18e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeDebugPrivilege	1480	chrome.exe
Token: 33	1480	chrome.exe
Token: SeIncBasePriorityPrivilege	1480	chrome.exe
Token: 33	1480	chrome.exe
Token: SeIncBasePriorityPrivilege	1480	chrome.exe
Token: 33	1480	chrome.exe
Token: SeIncBasePriorityPrivilege	1480	chrome.exe
Token: 33	1480	chrome.exe
Token: SeIncBasePriorityPrivilege	1480	chrome.exe
Token: 33	1480	chrome.exe
Token: SeIncBasePriorityPrivilege	1480	chrome.exe
Token: 33	1480	chrome.exe
Token: SeIncBasePriorityPrivilege	1480	chrome.exe
Token: 33	1480	chrome.exe
Token: SeIncBasePriorityPrivilege	1480	chrome.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exechrome.exe

description	pid	process	target process
PID 1632 wrote to memory of 1480	1632	fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe	chrome.exe
PID 1632 wrote to memory of 1480	1632	fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe	chrome.exe
PID 1632 wrote to memory of 1480	1632	fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe	chrome.exe
PID 1632 wrote to memory of 1480	1632	fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe	chrome.exe
PID 1480 wrote to memory of 836	1480	chrome.exe	netsh.exe
PID 1480 wrote to memory of 836	1480	chrome.exe	netsh.exe
PID 1480 wrote to memory of 836	1480	chrome.exe	netsh.exe
PID 1480 wrote to memory of 836	1480	chrome.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe
"C:\Users\Admin\AppData\Local\Temp\fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632

C:\Users\Admin\AppData\Local\Temp\chrome.exe
"C:\Users\Admin\AppData\Local\Temp\chrome.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:836

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
23KB

MD5
a32d346ae5b16d68c82eb24e72e85e22

SHA1
4ba8b1561e615636a88e4157f9f2bf53070326d4

SHA256
fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41

SHA512
22b79858a6e498a0d46ea425b9d94ab0eec078e44cfdd953fd8c33112627e0b0373ec4dbc60fe2aace21b0f31044586491a058029ecbf7d9a6a4156777da3a4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
23KB

MD5
a32d346ae5b16d68c82eb24e72e85e22

SHA1
4ba8b1561e615636a88e4157f9f2bf53070326d4

SHA256
fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41

SHA512
22b79858a6e498a0d46ea425b9d94ab0eec078e44cfdd953fd8c33112627e0b0373ec4dbc60fe2aace21b0f31044586491a058029ecbf7d9a6a4156777da3a4c

Download Submit
\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
23KB

MD5
a32d346ae5b16d68c82eb24e72e85e22

SHA1
4ba8b1561e615636a88e4157f9f2bf53070326d4

SHA256
fb93d71a2b8201e25f97a80dc9efe9ca2621098a65f6bdf1124cd112682e6a41

SHA512
22b79858a6e498a0d46ea425b9d94ab0eec078e44cfdd953fd8c33112627e0b0373ec4dbc60fe2aace21b0f31044586491a058029ecbf7d9a6a4156777da3a4c

Download Submit
memory/836-64-0x0000000000000000-mapping.dmp

Download
memory/1480-58-0x0000000000000000-mapping.dmp

Download
memory/1480-63-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/1480-65-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/1632-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/1632-55-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/1632-56-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download
memory/1632-62-0x0000000074AA0000-0x000000007504B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads