njrat | 0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56

General

Target

0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56.exe
Size

613KB
MD5

7cbee96532ee3feb095ec7c46611939c
SHA1

11010f8e39f282f4a70fea98621d84bffba169bb
SHA256

0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56
SHA512

e27d13c7aa93eae3f788f38a74f13de89a7592f3acc1b7857dfefdc31bf4f4e43f18467fff0cc0908e1db426e6638765fb8abb875add13392c520a35b6172c29
SSDEEP

12288:k1dlZo5yydIUiK33SicQsrit6XmSw/65btLM23ny/ILqun/RSUiKa8Ik81dit6J3:k1dlZo5biKSic26X3w/65bt93NLXiKaT

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2696	WindowsApplication11.exe
2448	systam 32.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
560	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	WindowsApplication11.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6478165697df5354950888dc469d5c53 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\systam 32.exe\" .."	systam 32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\6478165697df5354950888dc469d5c53 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\systam 32.exe\" .."	systam 32.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	systam 32.exe
Token: 33	2448	systam 32.exe
Token: SeIncBasePriorityPrivilege	2448	systam 32.exe
Token: 33	2448	systam 32.exe
Token: SeIncBasePriorityPrivilege	2448	systam 32.exe
Token: 33	2448	systam 32.exe
Token: SeIncBasePriorityPrivilege	2448	systam 32.exe
Token: 33	2448	systam 32.exe
Token: SeIncBasePriorityPrivilege	2448	systam 32.exe
Token: 33	2448	systam 32.exe
Token: SeIncBasePriorityPrivilege	2448	systam 32.exe
Token: 33	2448	systam 32.exe
Token: SeIncBasePriorityPrivilege	2448	systam 32.exe
Token: 33	2448	systam 32.exe
Token: SeIncBasePriorityPrivilege	2448	systam 32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 2696	3208	0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56.exe	82
PID 3208 wrote to memory of 2696	3208	0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56.exe	82
PID 3208 wrote to memory of 2696	3208	0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56.exe	82
PID 2696 wrote to memory of 2448	2696	WindowsApplication11.exe	85
PID 2696 wrote to memory of 2448	2696	WindowsApplication11.exe	85
PID 2696 wrote to memory of 2448	2696	WindowsApplication11.exe	85
PID 2448 wrote to memory of 560	2448	systam 32.exe	86
PID 2448 wrote to memory of 560	2448	systam 32.exe	86
PID 2448 wrote to memory of 560	2448	systam 32.exe	86

C:\Users\Admin\AppData\Local\Temp\0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56.exe
"C:\Users\Admin\AppData\Local\Temp\0ad20a03e235011e396a944aa0d0d0e88d5f2b026585efb51eb669dcc0b85f56.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Extracted\WindowsApplication11.exe
  "C:\Extracted\WindowsApplication11.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Users\Admin\AppData\Local\Temp\systam 32.exe
    "C:\Users\Admin\AppData\Local\Temp\systam 32.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2448
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\systam 32.exe" "systam 32.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Extracted\WindowsApplication11.exe

Filesize
265KB

MD5
c8e1fc8569b113172641b706f98cab73

SHA1
f14faa4eb19131034823b196f1b590d61eb7ebd3

SHA256
6f6269c676b56c3e24f8b38fd3dd3b0cbb1bc9b0fa9e9ceb608c2ebc5a65aeba

SHA512
123d1145dad17af1ff5621ded86cd1ce1a74cce4c81c27ac3470f3f400c9c3d620c1a32bfb122fb1b3c2246972e90330090c6748366cb08e8a24d7d7a6bf632e

Download Submit
C:\Extracted\WindowsApplication11.exe

Filesize
265KB

MD5
c8e1fc8569b113172641b706f98cab73

SHA1
f14faa4eb19131034823b196f1b590d61eb7ebd3

SHA256
6f6269c676b56c3e24f8b38fd3dd3b0cbb1bc9b0fa9e9ceb608c2ebc5a65aeba

SHA512
123d1145dad17af1ff5621ded86cd1ce1a74cce4c81c27ac3470f3f400c9c3d620c1a32bfb122fb1b3c2246972e90330090c6748366cb08e8a24d7d7a6bf632e

Download Submit
C:\Users\Admin\AppData\Local\Temp\systam 32.exe

Filesize
265KB

MD5
c8e1fc8569b113172641b706f98cab73

SHA1
f14faa4eb19131034823b196f1b590d61eb7ebd3

SHA256
6f6269c676b56c3e24f8b38fd3dd3b0cbb1bc9b0fa9e9ceb608c2ebc5a65aeba

SHA512
123d1145dad17af1ff5621ded86cd1ce1a74cce4c81c27ac3470f3f400c9c3d620c1a32bfb122fb1b3c2246972e90330090c6748366cb08e8a24d7d7a6bf632e

Download Submit
C:\Users\Admin\AppData\Local\Temp\systam 32.exe

Filesize
265KB

MD5
c8e1fc8569b113172641b706f98cab73

SHA1
f14faa4eb19131034823b196f1b590d61eb7ebd3

SHA256
6f6269c676b56c3e24f8b38fd3dd3b0cbb1bc9b0fa9e9ceb608c2ebc5a65aeba

SHA512
123d1145dad17af1ff5621ded86cd1ce1a74cce4c81c27ac3470f3f400c9c3d620c1a32bfb122fb1b3c2246972e90330090c6748366cb08e8a24d7d7a6bf632e

Download Submit
memory/2448-142-0x0000000005070000-0x0000000005102000-memory.dmp

Filesize
584KB

Download
memory/2448-143-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/2696-135-0x0000000000990000-0x00000000009D8000-memory.dmp

Filesize
288KB

Download
memory/2696-136-0x0000000005350000-0x00000000053EC000-memory.dmp

Filesize
624KB

Download
memory/2696-137-0x0000000005BE0000-0x0000000006184000-memory.dmp

Filesize
5.6MB

Download

Analysis

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