njrat | 3e9a4599cb3b29f9810a7d61282e2d4db15ba7df233752a0511502cdba1257fe

General

Target

2b62029610cb89bbe65f3eb0f956ad31_JaffaCakes118.exe
Size

23KB
MD5

2b62029610cb89bbe65f3eb0f956ad31
SHA1

3d7f8201bbf8b142abbad91b91681dca2a996db9
SHA256

3e9a4599cb3b29f9810a7d61282e2d4db15ba7df233752a0511502cdba1257fe
SHA512

597c24b5ad3cb32c96b8b01c31952b637ca662c37d534cedc37fe6849973bdc1c15c439e262ef64521c7cbd2c1c460edabfde45422c7f2a1b34003fa5dedabb5
SSDEEP

384:MrV8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZ3T:MrdY+sNKqNHnSdRpcnuc

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
1244	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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	2b62029610cb89bbe65f3eb0f956ad31_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\74f1c9503f78c09efe5ac6b8a9f55c1f.exe	ifgxtray.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\74f1c9503f78c09efe5ac6b8a9f55c1f.exe	ifgxtray.exe

Executes dropped EXE 1 IoCs

pid	Process
3224	ifgxtray.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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\74f1c9503f78c09efe5ac6b8a9f55c1f = "\"C:\\Users\\Admin\\AppData\\Roaming\\ifgxtray.exe\" .."	ifgxtray.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\74f1c9503f78c09efe5ac6b8a9f55c1f = "\"C:\\Users\\Admin\\AppData\\Roaming\\ifgxtray.exe\" .."	ifgxtray.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	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe
Token: 33	3224	ifgxtray.exe
Token: SeIncBasePriorityPrivilege	3224	ifgxtray.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 3224	3632	2b62029610cb89bbe65f3eb0f956ad31_JaffaCakes118.exe	86
PID 3632 wrote to memory of 3224	3632	2b62029610cb89bbe65f3eb0f956ad31_JaffaCakes118.exe	86
PID 3632 wrote to memory of 3224	3632	2b62029610cb89bbe65f3eb0f956ad31_JaffaCakes118.exe	86
PID 3224 wrote to memory of 1244	3224	ifgxtray.exe	87
PID 3224 wrote to memory of 1244	3224	ifgxtray.exe	87
PID 3224 wrote to memory of 1244	3224	ifgxtray.exe	87

C:\Users\Admin\AppData\Local\Temp\2b62029610cb89bbe65f3eb0f956ad31_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2b62029610cb89bbe65f3eb0f956ad31_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3632
- C:\Users\Admin\AppData\Roaming\ifgxtray.exe
  "C:\Users\Admin\AppData\Roaming\ifgxtray.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3224
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\ifgxtray.exe" "ifgxtray.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1244

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\ifgxtray.exe

Filesize
23KB

MD5
2b62029610cb89bbe65f3eb0f956ad31

SHA1
3d7f8201bbf8b142abbad91b91681dca2a996db9

SHA256
3e9a4599cb3b29f9810a7d61282e2d4db15ba7df233752a0511502cdba1257fe

SHA512
597c24b5ad3cb32c96b8b01c31952b637ca662c37d534cedc37fe6849973bdc1c15c439e262ef64521c7cbd2c1c460edabfde45422c7f2a1b34003fa5dedabb5

Download Submit
memory/3224-13-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3224-14-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3224-16-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3632-0-0x00000000752C2000-0x00000000752C3000-memory.dmp

Filesize
4KB

Download
memory/3632-1-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3632-2-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3632-12-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads