njrat | 34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677

General

Target

34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677.exe
Size

33KB
MD5

6fbbf6accff050bb1ea7cb45d4d68490
SHA1

8735565a7c7fb6c7dcc30d00c865d153965fd0c9
SHA256

34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677
SHA512

8d2e87864d5850d86eb8dc9c23f0ee95c4b1103f9529bbb9d944ea7995d10a7c07605a1e7a836cdcd33c974ba768beac4c5fa66986f56fc93b259f521c59c61b
SSDEEP

768:71Y8OVaUnQ1Y8sEpKoCvutBW5dO7H1S8Mo/LYvl:u8tUnQ17uutBWj6H0iYd

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:

hm.exe

pid process

1216 hm.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4080 netsh.exe

pid	process
1216	hm.exe

pid	process
4080	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:

34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\341703a1cce6a06cd235f6c59cfda95c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hm.exe\" .."	hm.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\341703a1cce6a06cd235f6c59cfda95c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hm.exe\" .."	hm.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 31 IoCs

Processes:

hm.exe

description	pid	process
Token: SeDebugPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe
Token: 33	1216	hm.exe
Token: SeIncBasePriorityPrivilege	1216	hm.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677.exehm.exe

description	pid	process	target process
PID 4900 wrote to memory of 1216	4900	34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677.exe	hm.exe
PID 4900 wrote to memory of 1216	4900	34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677.exe	hm.exe
PID 1216 wrote to memory of 4080	1216	hm.exe	netsh.exe
PID 1216 wrote to memory of 4080	1216	hm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677.exe
"C:\Users\Admin\AppData\Local\Temp\34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4900

C:\Users\Admin\AppData\Local\Temp\hm.exe
"C:\Users\Admin\AppData\Local\Temp\hm.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1216

C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\hm.exe" "hm.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4080

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\hm.exe
Filesize
33KB

MD5
6fbbf6accff050bb1ea7cb45d4d68490

SHA1
8735565a7c7fb6c7dcc30d00c865d153965fd0c9

SHA256
34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677

SHA512
8d2e87864d5850d86eb8dc9c23f0ee95c4b1103f9529bbb9d944ea7995d10a7c07605a1e7a836cdcd33c974ba768beac4c5fa66986f56fc93b259f521c59c61b

Download Submit
C:\Users\Admin\AppData\Local\Temp\hm.exe
Filesize
33KB

MD5
6fbbf6accff050bb1ea7cb45d4d68490

SHA1
8735565a7c7fb6c7dcc30d00c865d153965fd0c9

SHA256
34603cc63fb50d77a917d3c7a784331f419a67f9655d2808b443c98e38092677

SHA512
8d2e87864d5850d86eb8dc9c23f0ee95c4b1103f9529bbb9d944ea7995d10a7c07605a1e7a836cdcd33c974ba768beac4c5fa66986f56fc93b259f521c59c61b

Download Submit
memory/1216-135-0x0000000000000000-mapping.dmp

Download
memory/1216-139-0x00007FF8F3360000-0x00007FF8F3E21000-memory.dmp

Filesize
10.8MB

Download
memory/1216-141-0x00007FF8F3360000-0x00007FF8F3E21000-memory.dmp

Filesize
10.8MB

Download
memory/4080-140-0x0000000000000000-mapping.dmp

Download
memory/4900-132-0x0000000000A80000-0x0000000000A8E000-memory.dmp

Filesize
56KB

Download
memory/4900-133-0x00007FF8F3360000-0x00007FF8F3E21000-memory.dmp

Filesize
10.8MB

Download
memory/4900-134-0x00007FF8F3360000-0x00007FF8F3E21000-memory.dmp

Filesize
10.8MB

Download
memory/4900-138-0x00007FF8F3360000-0x00007FF8F3E21000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads