njrat | 3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4

General

Target

3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4.exe
Size

156KB
MD5

4123e4ef9f5d9399d06c2186ff3e6300
SHA1

7529717bcf12234b31d252f9974dc20072c07189
SHA256

3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4
SHA512

cec74f13263f278ff839b596d10abddbdc77bf5778237b90fd9f1830f3861ff38abfa7c51cf73abe99d8be441295683e93cbe1d305d8d5b113b0ebbaf5645e3c

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

chrome.exe

pid process

4488 chrome.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4368 netsh.exe

pid	process
4488	chrome.exe

pid	process
4368	netsh.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:

3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4.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\9563c75cec9a4d84b96ac625f5a53797.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9563c75cec9a4d84b96ac625f5a53797.exe	chrome.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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9563c75cec9a4d84b96ac625f5a53797 = "\"C:\\Users\\Admin\\AppData\\Roaming\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9563c75cec9a4d84b96ac625f5a53797 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 27 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeDebugPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe
Token: 33	4488	chrome.exe
Token: SeIncBasePriorityPrivilege	4488	chrome.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4.exechrome.exe

description	pid	process	target process
PID 728 wrote to memory of 4488	728	3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4.exe	chrome.exe
PID 728 wrote to memory of 4488	728	3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4.exe	chrome.exe
PID 4488 wrote to memory of 4368	4488	chrome.exe	netsh.exe
PID 4488 wrote to memory of 4368	4488	chrome.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4.exe
"C:\Users\Admin\AppData\Local\Temp\3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:728

C:\Users\Admin\AppData\Roaming\chrome.exe
"C:\Users\Admin\AppData\Roaming\chrome.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4488

C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\chrome.exe" "chrome.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4368

Network

MITRE ATT&CK Matrix ATT&CK 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

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\Roaming\chrome.exe
Filesize
156KB

MD5
4123e4ef9f5d9399d06c2186ff3e6300

SHA1
7529717bcf12234b31d252f9974dc20072c07189

SHA256
3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4

SHA512
cec74f13263f278ff839b596d10abddbdc77bf5778237b90fd9f1830f3861ff38abfa7c51cf73abe99d8be441295683e93cbe1d305d8d5b113b0ebbaf5645e3c

Download Submit
C:\Users\Admin\AppData\Roaming\chrome.exe
Filesize
156KB

MD5
4123e4ef9f5d9399d06c2186ff3e6300

SHA1
7529717bcf12234b31d252f9974dc20072c07189

SHA256
3e0baae7fd422648feef63903e375e29e48aaa1146d249f8571a96563ad3a1d4

SHA512
cec74f13263f278ff839b596d10abddbdc77bf5778237b90fd9f1830f3861ff38abfa7c51cf73abe99d8be441295683e93cbe1d305d8d5b113b0ebbaf5645e3c

Download Submit
memory/728-131-0x0000000000570000-0x000000000059E000-memory.dmp

Filesize
184KB

Download
memory/728-132-0x00007FFEBACB0000-0x00007FFEBB771000-memory.dmp

Filesize
10.8MB

Download
memory/728-133-0x00007FFEBACB0000-0x00007FFEBB771000-memory.dmp

Filesize
10.8MB

Download
memory/728-137-0x00007FFEBACB0000-0x00007FFEBB771000-memory.dmp

Filesize
10.8MB

Download
memory/4368-139-0x0000000000000000-mapping.dmp

Download
memory/4488-134-0x0000000000000000-mapping.dmp

Download
memory/4488-138-0x00007FFEBACB0000-0x00007FFEBB771000-memory.dmp

Filesize
10.8MB

Download
memory/4488-140-0x00007FFEBACB0000-0x00007FFEBB771000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads