njrat | b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c

General

Target

Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
Size

27KB
MD5

2c4fe940c0aaf722b86f2784c09b65a7
SHA1

6260d732f353cff21ec5f131295f169cf07f111e
SHA256

b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c
SHA512

b15b40035bffea1e285874817a302cbeeecfe1adebabab5ee978c8194175bf74aeba5c35474e0217cbfd1f8dd5ef25e9a3ea64ba51b1732be07db13b30296f3f
SSDEEP

384:mL9QKJ3buZjmgERA4MDwoyumGPiJRjMFAQk93vmhm7UMKmIEecKdbXTzm9bVhca6:AaK5buQE4MfLFA/vMHTi9bD

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

46.153.249.193:443

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

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

Drops startup file 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Windows.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	attrib.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Windows.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Windows.exe

Executes dropped EXE 1 IoCs

pid	Process
2420	Windows.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Windows.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Windows.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Windows.exe"	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Windows.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 5 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe
Token: 33	2420	Windows.exe
Token: SeIncBasePriorityPrivilege	2420	Windows.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2420	2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	30
PID 2036 wrote to memory of 2420	2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	30
PID 2036 wrote to memory of 2420	2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	30
PID 2036 wrote to memory of 2420	2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	30
PID 2036 wrote to memory of 2860	2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	31
PID 2036 wrote to memory of 2860	2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	31
PID 2036 wrote to memory of 2860	2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	31
PID 2036 wrote to memory of 2860	2036	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	31
PID 2420 wrote to memory of 3052	2420	Windows.exe	34
PID 2420 wrote to memory of 3052	2420	Windows.exe	34
PID 2420 wrote to memory of 3052	2420	Windows.exe	34
PID 2420 wrote to memory of 3052	2420	Windows.exe	34
PID 2420 wrote to memory of 2216	2420	Windows.exe	35
PID 2420 wrote to memory of 2216	2420	Windows.exe	35
PID 2420 wrote to memory of 2216	2420	Windows.exe	35
PID 2420 wrote to memory of 2216	2420	Windows.exe	35

Views/modifies file attributes 1 TTPs 3 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2860	attrib.exe
3052	attrib.exe
2216	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Roaming\Windows.exe
  "C:\Users\Admin\AppData\Roaming\Windows.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
    3⤵
    - Drops startup file
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3052
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2216
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Windows.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2860

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
77f6ec7abb12c564ab9f4e5beef5af7a

SHA1
e618383b21261fb35b77a61edbb48d75ee20c5e5

SHA256
4073c05ed3d92e0bbfb476e6cf02c19d535cb42833a5c86bbac3ee212b3efbe0

SHA512
ee77240ba732e76f9634ef735359a5eb4752764eeeab1bcbe8bd753ba077520eee88993c3b0e929f1b6c80812099466781abec55a254dec9512e2405d8f2a5a7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

Filesize
1018B

MD5
61c3090826950fcfbf74a2be12055a74

SHA1
c38c27b22332feb7075168a6426b8290d64e7ca4

SHA256
6068aba8beb26503f55b6b95fc9a3c1815b80a25969741e4fdc0265b5f6def30

SHA512
82125a5dcb15a5f0b24e8fa723bec6b8558f6abfc1f3d02f8fb16ffad636f6e7147dd497bb4343200b895a79ff1a90fbbdb36f39cfdc035f5182671c6fb5bfba

Download Submit
C:\Users\Admin\AppData\Roaming\Windows.exe

Filesize
27KB

MD5
2c4fe940c0aaf722b86f2784c09b65a7

SHA1
6260d732f353cff21ec5f131295f169cf07f111e

SHA256
b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c

SHA512
b15b40035bffea1e285874817a302cbeeecfe1adebabab5ee978c8194175bf74aeba5c35474e0217cbfd1f8dd5ef25e9a3ea64ba51b1732be07db13b30296f3f

Download Submit
memory/2036-0-0x0000000074D81000-0x0000000074D82000-memory.dmp

Filesize
4KB

Download
memory/2036-1-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-2-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-12-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-13-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2420-14-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2420-21-0x0000000074D80000-0x000000007532B000-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