njrat | eab332009eb24e37ee6c9355d19906b7da1b7d9b5a1c73fb793c9d0d0b34aec9

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 05:18

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General

Target

4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
Size

998KB
MD5

56a9ef324e5cd6971a5f91cf327f99da
SHA1

95a6a08c0eb1b13596f1e69a24b309cf260aa094
SHA256

eab332009eb24e37ee6c9355d19906b7da1b7d9b5a1c73fb793c9d0d0b34aec9
SHA512

e5340567eb609a52762e9a4f2373ce5766a5b04335642f4ff7b13028f6774f589ca11b01a231f821818acdb3bede97c48b860099f74e865174111a6f8eaaebb2
SSDEEP

12288:fMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9VXKFUoanc:fnsJ39LyjbJkQFMhmC+6GD96yc

Score

10^/10

njrat xred backdoor discovery evasion macro persistence privilege_escalation trojan

Malware Config

Extracted

Family

xred

xred.mooo.com

Attributes

email
[email protected]
payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

http://xred.site50.net/syn/SUpdate.ini

https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

http://xred.site50.net/syn/Synaptics.rar

https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

http://xred.site50.net/syn/SSLLibrary.dll

Signatures

Njrat family
njrat
Xred
Xred is backdoor written in Delphi.
backdoor xred
Xred family
xred
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1644	netsh.exe

Suspicious Office macro 2 IoCs

Office document equipped with macros.

macro

resource
behavioral1/files/0x000900000001925e-94.dat
behavioral1/files/0x000b00000001925e-118.dat

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4eb37852a0eff3d12ee195891381805c.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4eb37852a0eff3d12ee195891381805c.exe	server.exe

Executes dropped EXE 4 IoCs

pid	Process
2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
2100	Synaptics.exe
2912	._cache_Synaptics.exe
1604	server.exe

Loads dropped DLL 9 IoCs

pid	Process
2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
2100	Synaptics.exe
2100	Synaptics.exe
2100	Synaptics.exe
2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe

Adds Run key to start application 2 TTPs 3 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\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\4eb37852a0eff3d12ee195891381805c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4eb37852a0eff3d12ee195891381805c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2744	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
2912	._cache_Synaptics.exe
1604	server.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
Token: SeDebugPrivilege	2912	._cache_Synaptics.exe
Token: SeDebugPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe
Token: 33	1604	server.exe
Token: SeIncBasePriorityPrivilege	1604	server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2744	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2316	2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	30
PID 2440 wrote to memory of 2316	2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	30
PID 2440 wrote to memory of 2316	2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	30
PID 2440 wrote to memory of 2316	2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	30
PID 2440 wrote to memory of 2100	2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	31
PID 2440 wrote to memory of 2100	2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	31
PID 2440 wrote to memory of 2100	2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	31
PID 2440 wrote to memory of 2100	2440	4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	31
PID 2100 wrote to memory of 2912	2100	Synaptics.exe	32
PID 2100 wrote to memory of 2912	2100	Synaptics.exe	32
PID 2100 wrote to memory of 2912	2100	Synaptics.exe	32
PID 2100 wrote to memory of 2912	2100	Synaptics.exe	32
PID 2316 wrote to memory of 1604	2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	37
PID 2316 wrote to memory of 1604	2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	37
PID 2316 wrote to memory of 1604	2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	37
PID 2316 wrote to memory of 1604	2316	._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe	37
PID 1604 wrote to memory of 1644	1604	server.exe	38
PID 1604 wrote to memory of 1644	1604	server.exe	38
PID 1604 wrote to memory of 1644	1604	server.exe	38
PID 1604 wrote to memory of 1644	1604	server.exe	38

C:\Users\Admin\AppData\Local\Temp\4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
"C:\Users\Admin\AppData\Local\Temp\4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1604
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1644
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2912

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
998KB

MD5
56a9ef324e5cd6971a5f91cf327f99da

SHA1
95a6a08c0eb1b13596f1e69a24b309cf260aa094

SHA256
eab332009eb24e37ee6c9355d19906b7da1b7d9b5a1c73fb793c9d0d0b34aec9

SHA512
e5340567eb609a52762e9a4f2373ce5766a5b04335642f4ff7b13028f6774f589ca11b01a231f821818acdb3bede97c48b860099f74e865174111a6f8eaaebb2

Download Submit
C:\Users\Admin\AppData\Local\Temp\2zPlEJi2.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
C:\Users\Admin\AppData\Local\Temp\2zPlEJi2.xlsm

Filesize
23KB

MD5
00ba93579a34416e0b99bd813cd54104

SHA1
405cafc8ff797b5454640b09802ab57caff80555

SHA256
4952cb6cc2beaf4b34d15d53c844aa7d8926c94f41be2f1c9bd4b4db72ab357c

SHA512
0a6d8431fa1ec39b81cfdfe3b5e8e21678465ded187539e6679937ccf87aa30e56766ae7ef42ed80f0574589c328a4148457bd73f30e8b27c9b38548e47ad08b

Download Submit
C:\Users\Admin\AppData\Local\Temp\2zPlEJi2.xlsm

Filesize
24KB

MD5
f340aad2a102ce6e64b7d434bcba867d

SHA1
89e1fcc971c338a2ee37c7ec5fde4ebf0ca08d73

SHA256
499ecc2e6391b1701a59554a63f5855f0252fdb21c1f8c4fc92c9bfec3bbb7ee

SHA512
f6357cba303724d8c66137c946090e097fb6bee84f334783a5352655454f5b1f882e8598be2a17ea05a861a93cec503646b1b8dcb9d064b56ebe2cc57c1f76aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\2zPlEJi2.xlsm

Filesize
24KB

MD5
c6c4a48e64eccbf2430126bedb2df514

SHA1
8f7ebb10aa1eeb2929899fd2f213db352cfbe129

SHA256
939923c65ebe49bbb86a4fe86f6df8f9494de26ebb780f449f67f4a5c6c7ccde

SHA512
e4f6c8d0944750f61af1ffadce18acb8e314c72c38ff63dc5e41855dede8850aa035a3e319a7ca4bcf22ced44f2562317da2a4576fdf84c4ba843fded9b2eddc

Download Submit
C:\Users\Admin\AppData\Local\Temp\2zPlEJi2.xlsm

Filesize
24KB

MD5
cf4ecfd7f10378d6896d4cf5459b9038

SHA1
d2e258b53fddba159426ff3b20ac01e62bd84553

SHA256
c3a50ed88cf11404d5c85c54588682b2bbfcca7d5553d0b0e42ed3a6c6cb6c15

SHA512
8b5391c60c03610e8aa73833a6168c07b6f3227a7c78c35809ad93b34292d26eae031b8d47d33ed8bee19e9af57254b7153ef335c27cf83a471e0c6f05efba72

Download Submit
C:\Users\Admin\AppData\Local\Temp\2zPlEJi2.xlsm

Filesize
24KB

MD5
51b15bc95d331b76e23813378f6ca807

SHA1
bc6d2c6668c5a8b3198159e7a782db27da5c220c

SHA256
e2f09ae2d47b37cd16ff2bbef83a0ef240a03454403f30644e90fde4f59d88ec

SHA512
782f104409db854b0024cd41d7d3a7ee4742d2d99ce3f3d083468d3bf19ac1afd8e342f11354dbc37daef75c464e81f832abe3e505cdc3013658bb2b90b7c298

Download Submit
C:\Users\Admin\Desktop\~$UnblockPublish.xlsx

Filesize
165B

MD5
ff09371174f7c701e75f357a187c06e8

SHA1
57f9a638fd652922d7eb23236c80055a91724503

SHA256
e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

SHA512
e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_4f9e3d481e4de881790b9736df2c1771fd8d3823ceed47e2681b498184150137N.exe

Filesize
244KB

MD5
0ae9347f02737113842f37809172da96

SHA1
242a20e1ffdf9fef0b5682cd2bb6738fe8097600

SHA256
7de73d47d9a917d4ebf25264af7144794f69c2046fa2412f4af1f93eb71be032

SHA512
78cc2b7372c5a5c21d9759311772e1b4e82627da278ee9d2d759d2ecceaf9db09ec20bff3f998b3966b6533d860d0c3828581d169ec163fa6bf941955afa9690

Download Submit
memory/2100-180-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2100-135-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2100-147-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2100-149-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2316-44-0x0000000073BE0000-0x000000007418B000-memory.dmp

Filesize
5.7MB

Download
memory/2316-134-0x0000000073BE0000-0x000000007418B000-memory.dmp

Filesize
5.7MB

Download
memory/2316-45-0x0000000073BE0000-0x000000007418B000-memory.dmp

Filesize
5.7MB

Download
memory/2316-146-0x0000000073BE0000-0x000000007418B000-memory.dmp

Filesize
5.7MB

Download
memory/2316-21-0x0000000073BE1000-0x0000000073BE2000-memory.dmp

Filesize
4KB

Download
memory/2440-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2440-30-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2744-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2744-133-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download