njrat | 2da697ba5d918d827f8cd07131c53d8aac8459c482a412509b89f4f84ba7ed66

General

Target

6ee9d3bcf2a8330b922996cf0c9a65a9.exe
Size

402KB
MD5

6ee9d3bcf2a8330b922996cf0c9a65a9
SHA1

3442673544bac88577fd696e9fe8f3bc20f7172b
SHA256

2da697ba5d918d827f8cd07131c53d8aac8459c482a412509b89f4f84ba7ed66
SHA512

aa2971e9fb06fffc63bcb1f3eb1dae8acede1022a0b97cdac1b58e518347baaf3c8c26747774c3a98c9c0d8e8a3f4db2eb41bb1d1ea0e2b29b151f7c4c89c584
SSDEEP

6144:zmaKVBGmE84IMNv55giU0pKiFYHxfx15RvOagakZBxkTN2gmeGcFnVQb/DAYbDgn:oSmLAuEY71fviagATFmebVQDcYcD

Score

10^/10

njrat pdf evasion persistence trojan upx

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

pdf

C2

hhhmach.ddns.net:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
2700	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Executes dropped EXE 2 IoCs

pid	Process
3012	test.exe
2560	Trojan.exe

Loads dropped DLL 2 IoCs

pid	Process
3064	cmd.exe
3012	test.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3000-0-0x0000000000400000-0x00000000004FA000-memory.dmp	upx
behavioral1/memory/3000-18-0x0000000000400000-0x00000000004FA000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe
2560	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	Trojan.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 3064	3000	6ee9d3bcf2a8330b922996cf0c9a65a9.exe	29
PID 3000 wrote to memory of 3064	3000	6ee9d3bcf2a8330b922996cf0c9a65a9.exe	29
PID 3000 wrote to memory of 3064	3000	6ee9d3bcf2a8330b922996cf0c9a65a9.exe	29
PID 3000 wrote to memory of 3064	3000	6ee9d3bcf2a8330b922996cf0c9a65a9.exe	29
PID 3064 wrote to memory of 3012	3064	cmd.exe	33
PID 3064 wrote to memory of 3012	3064	cmd.exe	33
PID 3064 wrote to memory of 3012	3064	cmd.exe	33
PID 3064 wrote to memory of 3012	3064	cmd.exe	33
PID 3012 wrote to memory of 2560	3012	test.exe	32
PID 3012 wrote to memory of 2560	3012	test.exe	32
PID 3012 wrote to memory of 2560	3012	test.exe	32
PID 3012 wrote to memory of 2560	3012	test.exe	32
PID 2560 wrote to memory of 2700	2560	Trojan.exe	31
PID 2560 wrote to memory of 2700	2560	Trojan.exe	31
PID 2560 wrote to memory of 2700	2560	Trojan.exe	31
PID 2560 wrote to memory of 2700	2560	Trojan.exe	31

C:\Users\Admin\AppData\Local\Temp\6ee9d3bcf2a8330b922996cf0c9a65a9.exe
"C:\Users\Admin\AppData\Local\Temp\6ee9d3bcf2a8330b922996cf0c9a65a9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c test.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Users\Admin\AppData\Local\Temp\test.exe
    test.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3012

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
1⤵
- Modifies Windows Firewall
PID:2700

C:\Users\Admin\AppData\Local\Temp\Trojan.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
1⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

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\test.exe

Filesize
78KB

MD5
42c5854aa0709d8bf6c28ea82c67b9a5

SHA1
124ea473f0572009de85a4a46f361109f4fae7d6

SHA256
71e1add662041fee9ff0ddf0139154cf006538559af45f34047aac91efb1b8eb

SHA512
c0f4412f2237138b5b66ecc285d7f44bacd67ae23feb0a55561cd4f7850ee6b0fd1b1dac3d2725ed4932aaf155b0fbda284a69b07594789bdb4cbcf0f499d95a

Download Submit
memory/2560-17-0x0000000000A30000-0x0000000000A70000-memory.dmp

Filesize
256KB

Download
memory/2560-19-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/2560-15-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/2560-21-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/3000-0-0x0000000000400000-0x00000000004FA000-memory.dmp

Filesize
1000KB

Download
memory/3000-18-0x0000000000400000-0x00000000004FA000-memory.dmp

Filesize
1000KB

Download
memory/3012-7-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-16-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-6-0x0000000000190000-0x00000000001D0000-memory.dmp

Filesize
256KB

Download
memory/3012-5-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads