njrat | 13e2784eef9815e2087249ef2d4f89f9dfe231d08c16954fc7e086682720a375

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
18/06/2024, 13:09

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General

Target
bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe
Size 219KB
Sample240618-qdr79syfrq
SHA256 13e2784eef9815e2087249ef2d4f89f9dfe231d08c16954fc7e086682720a375
MD5 bc1a52dd14485a1614b4c2d47e27977a
SHA1 c5f0ca340bcd8f738fe5696f08a3ccd257d6c9f3
SHA512 f4e0b4bd17ddc6be1d2fe3b764f8ced1fbc1a1d5ca1ee9c9935425d6b439b93963216f04a27551b3132aa97263cd17ada32dc8041c8849a0cb8e56202c11caed
SSDEEP 3072:N/OQ5JYqyid/vBlN7Gfoy825WSLbycYSQS:N2IYqrlGC28Wb0SQS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat evasion persistence privilege_escalation trojan

Malware Config

Signatures

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
4360	netsh.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f52f2d8d154329944a11c6768d5e7ee4.exe	ugah.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f52f2d8d154329944a11c6768d5e7ee4.exe	ugah.exe

Executes dropped EXE 2 IoCs

pid	Process
3660	ugah.exe
1296	ugah.exe

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-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f52f2d8d154329944a11c6768d5e7ee4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ ugah.exe\" .."	ugah.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f52f2d8d154329944a11c6768d5e7ee4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ ugah.exe\" .."	ugah.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 208 set thread context of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 3660 set thread context of 1296	3660	ugah.exe	86

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe
1296	ugah.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe
Token: SeDebugPrivilege	3660	ugah.exe
Token: SeDebugPrivilege	1296	ugah.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 208 wrote to memory of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 208 wrote to memory of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 208 wrote to memory of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 208 wrote to memory of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 208 wrote to memory of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 208 wrote to memory of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 208 wrote to memory of 1416	208	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	82
PID 1416 wrote to memory of 3660	1416	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	84
PID 1416 wrote to memory of 3660	1416	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	84
PID 1416 wrote to memory of 3660	1416	bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe	84
PID 3660 wrote to memory of 1296	3660	ugah.exe	86
PID 3660 wrote to memory of 1296	3660	ugah.exe	86
PID 3660 wrote to memory of 1296	3660	ugah.exe	86
PID 3660 wrote to memory of 1296	3660	ugah.exe	86
PID 3660 wrote to memory of 1296	3660	ugah.exe	86
PID 3660 wrote to memory of 1296	3660	ugah.exe	86
PID 3660 wrote to memory of 1296	3660	ugah.exe	86
PID 3660 wrote to memory of 1296	3660	ugah.exe	86
PID 1296 wrote to memory of 4360	1296	ugah.exe	88
PID 1296 wrote to memory of 4360	1296	ugah.exe	88
PID 1296 wrote to memory of 4360	1296	ugah.exe	88

C:\Users\Admin\AppData\Local\Temp\bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208
- C:\Users\Admin\AppData\Local\Temp\bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Users\Admin\AppData\Local\Temp\ ugah.exe
    "C:\Users\Admin\AppData\Local\Temp\ ugah.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3660
  - - C:\Users\Admin\AppData\Local\Temp\ ugah.exe
      "C:\Users\Admin\AppData\Local\Temp\ ugah.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1296
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ ugah.exe" " ugah.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        
        PID:4360

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\bc1a52dd14485a1614b4c2d47e27977a_JaffaCakes118.exe.log
Size 224B
SHA256 677e9e30350df17e2bc20fa9f7d730e9f7cc6e870d6520a345f5f7dc5b31f58a
MD5 c19eb8c8e7a40e6b987f9d2ee952996e
SHA1 6fc3049855bc9100643e162511673c6df0f28bfb
SHA512 860713b4a787c2189ed12a47d4b68b60ac00c7a253cae52dd4eb9276dacafeae3a81906b6d0742c8ecfdfaa255777c445beb7c2a532f3c677a9903237ac97596
MD5 SHA1 SHA512

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ugah.exe

Path C:\Users\Admin\AppData\Local\Temp\ ugah.exe
Size 219KB
SHA256 13e2784eef9815e2087249ef2d4f89f9dfe231d08c16954fc7e086682720a375
MD5 bc1a52dd14485a1614b4c2d47e27977a
SHA1 c5f0ca340bcd8f738fe5696f08a3ccd257d6c9f3
SHA512 f4e0b4bd17ddc6be1d2fe3b764f8ced1fbc1a1d5ca1ee9c9935425d6b439b93963216f04a27551b3132aa97263cd17ada32dc8041c8849a0cb8e56202c11caed
SSDEEP 3072:N/OQ5JYqyid/vBlN7Gfoy825WSLbycYSQS:N2IYqrlGC28Wb0SQS
MD5 SHA1 SHA512 SSDEEP

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memory/208-1-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/208-2-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/208-0-0x0000000074DC2000-0x0000000074DC3000-memory.dmp

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memory/208-8-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1296-32-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1296-30-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1416-5-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1416-12-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1416-23-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1416-11-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/1416-9-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/3660-24-0x0000000074DC0000-0x0000000075371000-memory.dmp

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memory/3660-29-0x0000000074DC0000-0x0000000075371000-memory.dmp

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