njrat | a984108cbf49aca81b1a4c9a73315d2b9638f0a2b0fb9e4cdb009855cac8e4db

General

Target

f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe
Size

43KB
MD5

f0e38cb5564a416a69d54e85af4f5b40
SHA1

dd143da1da6d3a327e5fb8965c18d5c6518344dc
SHA256

a984108cbf49aca81b1a4c9a73315d2b9638f0a2b0fb9e4cdb009855cac8e4db
SHA512

2878d98c68ea8cb538573abe73b755b1c5bef869b28f45aa65017028d287bd67d36f59149eab1e36f7d4f794ee2836e6ae81673e4c7b6de585b926e9417a302e
SSDEEP

384:rZylrsVqb08yPIpXixeCGEslmcNz0Iij+ZsNO3PlpJKkkjh/TzF7pWnolgreT0pe:Fors8Y5PId6ROlBuXQ/oRl+L

Score

10^/10

njrat hackopka discovery trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HackOPKA

C2

127.0.0.1:5552

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

pid	Process
2292	Dllhost.exe

Loads dropped DLL 1 IoCs

pid	Process
2752	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2752	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe
2292	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe
Token: 33	2292	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2292	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2292	2752	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2292	2752	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2292	2752	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe	30
PID 2752 wrote to memory of 2292	2752	f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0e38cb5564a416a69d54e85af4f5b40_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
  "C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\Dllhost.exe

Filesize
43KB

MD5
f0e38cb5564a416a69d54e85af4f5b40

SHA1
dd143da1da6d3a327e5fb8965c18d5c6518344dc

SHA256
a984108cbf49aca81b1a4c9a73315d2b9638f0a2b0fb9e4cdb009855cac8e4db

SHA512
2878d98c68ea8cb538573abe73b755b1c5bef869b28f45aa65017028d287bd67d36f59149eab1e36f7d4f794ee2836e6ae81673e4c7b6de585b926e9417a302e

Download Submit
memory/2292-10-0x0000000000010000-0x0000000000022000-memory.dmp

Filesize
72KB

Download
memory/2292-11-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-12-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-15-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-16-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2752-1-0x0000000000B80000-0x0000000000B92000-memory.dmp

Filesize
72KB

Download
memory/2752-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-13-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2752-14-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing