njrat | 5227a700dadf34fafc496a1b717d272739988c2c37dbdb0c5282314ddae44280

General

Target
0c4506fed8b00d3050fc56b51d25b753_JaffaCakes118.exe
Size 23KB
Sample240501-tyepfsbb3z
SHA256 5227a700dadf34fafc496a1b717d272739988c2c37dbdb0c5282314ddae44280
MD5 0c4506fed8b00d3050fc56b51d25b753
SHA1 db89e1ff4bdc7cf9313de90449f7454e2beac7fc
SHA512 63095c10aaf5c43e20822b84bb92d0f57b5ec04169b820607a02e42e799a9775e1739355501043f8993a030b5da4e8b5f116281ff3ec50f6222887c323521e45
SSDEEP 384:0oWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZDc:j7O89p2rRpcnuv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat evasion persistence 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
1628	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-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	0c4506fed8b00d3050fc56b51d25b753_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\687f8be71a3fe61b6992a19f659cfa53.exe	Google.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\687f8be71a3fe61b6992a19f659cfa53.exe	Google.exe

Executes dropped EXE 1 IoCs

pid	Process
4988	Google.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-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\687f8be71a3fe61b6992a19f659cfa53 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Google.exe\" .."	Google.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\687f8be71a3fe61b6992a19f659cfa53 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Google.exe\" .."	Google.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe
Token: 33	4988	Google.exe
Token: SeIncBasePriorityPrivilege	4988	Google.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 4988	436	0c4506fed8b00d3050fc56b51d25b753_JaffaCakes118.exe	94
PID 436 wrote to memory of 4988	436	0c4506fed8b00d3050fc56b51d25b753_JaffaCakes118.exe	94
PID 436 wrote to memory of 4988	436	0c4506fed8b00d3050fc56b51d25b753_JaffaCakes118.exe	94
PID 4988 wrote to memory of 1628	4988	Google.exe	97
PID 4988 wrote to memory of 1628	4988	Google.exe	97
PID 4988 wrote to memory of 1628	4988	Google.exe	97

C:\Users\Admin\AppData\Local\Temp\0c4506fed8b00d3050fc56b51d25b753_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0c4506fed8b00d3050fc56b51d25b753_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:436
- C:\Users\Admin\AppData\Local\Temp\Google.exe
  "C:\Users\Admin\AppData\Local\Temp\Google.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Google.exe" "Google.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1628

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

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Google.exe

Path C:\Users\Admin\AppData\Local\Temp\Google.exe
Size 23KB
SHA256 5227a700dadf34fafc496a1b717d272739988c2c37dbdb0c5282314ddae44280
MD5 0c4506fed8b00d3050fc56b51d25b753
SHA1 db89e1ff4bdc7cf9313de90449f7454e2beac7fc
SHA512 63095c10aaf5c43e20822b84bb92d0f57b5ec04169b820607a02e42e799a9775e1739355501043f8993a030b5da4e8b5f116281ff3ec50f6222887c323521e45
SSDEEP 384:0oWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZDc:j7O89p2rRpcnuv
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/436-0-0x0000000074FD2000-0x0000000074FD3000-memory.dmp

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memory/436-1-0x0000000074FD0000-0x0000000075581000-memory.dmp

Download

memory/436-2-0x0000000074FD0000-0x0000000075581000-memory.dmp

Download

memory/436-12-0x0000000074FD0000-0x0000000075581000-memory.dmp

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memory/4988-13-0x0000000074FD0000-0x0000000075581000-memory.dmp

Download

memory/4988-15-0x0000000074FD0000-0x0000000075581000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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