njrat | 81f7a0f726f4001c9e4e7d67ba9ab6c3f45139887dabe78f6e3d04dd2b0557e2

General

Target

Invoice #09747583900.exe
Size

635KB
MD5

027ed8a97dd1dd28cc73c9edf4ec89ab
SHA1

131efcf3ee4e6f0629027066ab002355c2f20a00
SHA256

81f7a0f726f4001c9e4e7d67ba9ab6c3f45139887dabe78f6e3d04dd2b0557e2
SHA512

0c6b3606b56fe7662895783a1512ca62290697049230433ca645e953218bce1311e5dd970dbb30b0a575ef1e0398e5874d602c9f6313f64e2b245a02ff55d497

Score

10^/10

njrat ahkey_000_sat suricata trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

AhKey_000_Sat

C2

cdanger492.duckdns.org:4480

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
Drops startup file 1 IoCs

Processes:

Invoice #09747583900.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk Invoice #09747583900.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice #09747583900.exe

description pid process target process

PID 1092 set thread context of 108 1092 Invoice #09747583900.exe Invoice #09747583900.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

268 schtasks.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Invoice #09747583900.exe

description	pid	process	target process
PID 1092 set thread context of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe

pid	process
268	schtasks.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

Invoice #09747583900.exe

description	pid	process
Token: SeDebugPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe
Token: 33	108	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	108	Invoice #09747583900.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Invoice #09747583900.exe

description	pid	process	target process
PID 1092 wrote to memory of 268	1092	Invoice #09747583900.exe	schtasks.exe
PID 1092 wrote to memory of 268	1092	Invoice #09747583900.exe	schtasks.exe
PID 1092 wrote to memory of 268	1092	Invoice #09747583900.exe	schtasks.exe
PID 1092 wrote to memory of 268	1092	Invoice #09747583900.exe	schtasks.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1092 wrote to memory of 108	1092	Invoice #09747583900.exe	Invoice #09747583900.exe

C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Evmpca" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6DA.tmp"
2⤵
- Creates scheduled task(s)
PID:268

C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe
"{path}"
2⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA6DA.tmp
MD5
d7ecd00da1530ebe2d653dd4f43639c5

SHA1
73d34c55d9f847bac48be04e06c9efd497ea0380

SHA256
0e7d0e8feb240e1c2ac44129226b61fc7188824570cab77bc261706da95350e8

SHA512
6da44f0f505f05e6c70e64b74adc03010dd7c7a325da03e18be6c1a412cde2c4a2a810643435dc9316e623074934aa13763d0b3e7aaee1be3df04e6445eb0006

Download Submit
memory/108-62-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/108-63-0x000000000040839E-mapping.dmp

Download
memory/108-64-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/108-66-0x00000000056D0000-0x00000000056D1000-memory.dmp

Filesize
4KB

Download
memory/268-60-0x0000000000000000-mapping.dmp

Download
memory/1092-53-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1092-55-0x0000000000A60000-0x0000000000AB2000-memory.dmp

Filesize
328KB

Download
memory/1092-56-0x0000000004B30000-0x0000000004B31000-memory.dmp

Filesize
4KB

Download
memory/1092-57-0x0000000000290000-0x000000000029E000-memory.dmp

Filesize
56KB

Download
memory/1092-58-0x0000000004B70000-0x0000000004BE1000-memory.dmp

Filesize
452KB

Download
memory/1092-59-0x0000000000810000-0x000000000082D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads