njrat | c71796c63d7efa5ccedbf93d50a492c1d91d395a8fa89975ef2c2260f9a03560

General

Target

6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe
Size

23KB
MD5

6a96925275796e33e2ff9587da78ad0c
SHA1

8778d3d8ae2357f54de8bd789f5fc1b7b31492d1
SHA256

c71796c63d7efa5ccedbf93d50a492c1d91d395a8fa89975ef2c2260f9a03560
SHA512

8c0890dfeca5e73dc7a9c679f594a7892c09f708a242da2e4a7f5067f21a11cb24c9e69f4da55a605fa2fde9aa2e84b6da881a97559eaaf87949566a8266d3fc
SSDEEP

384:ac6CqbFYh3odrVCGiHssDB4b6i6fgpEupNXRmRvR6JZlbw8hqIusZzZHG:dIU0tw3RpcnuR

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

Processes:

netsh.exe

pid process

4304 netsh.exe

pid	process
4304	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

Processes:

6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe

Drops startup file 2 IoCs

Processes:

System.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\307351bb41c7610538e3af5d5a55eeda.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\307351bb41c7610538e3af5d5a55eeda.exe	System.exe

Executes dropped EXE 1 IoCs

Processes:

System.exe

pid process

964 System.exe

pid	process
964	System.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

System.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\307351bb41c7610538e3af5d5a55eeda = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\307351bb41c7610538e3af5d5a55eeda = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

System.exe

description	pid	process
Token: SeDebugPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe
Token: 33	964	System.exe
Token: SeIncBasePriorityPrivilege	964	System.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exeSystem.exe

description	pid	process	target process
PID 5112 wrote to memory of 964	5112	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe	System.exe
PID 5112 wrote to memory of 964	5112	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe	System.exe
PID 5112 wrote to memory of 964	5112	6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe	System.exe
PID 964 wrote to memory of 4304	964	System.exe	netsh.exe
PID 964 wrote to memory of 4304	964	System.exe	netsh.exe
PID 964 wrote to memory of 4304	964	System.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a96925275796e33e2ff9587da78ad0c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Users\Admin\AppData\Local\Temp\System.exe
  "C:\Users\Admin\AppData\Local\Temp\System.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:964
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4304

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3956 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:4440

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

C:\Users\Admin\AppData\Local\Temp\System.exe

Filesize
23KB

MD5
6a96925275796e33e2ff9587da78ad0c

SHA1
8778d3d8ae2357f54de8bd789f5fc1b7b31492d1

SHA256
c71796c63d7efa5ccedbf93d50a492c1d91d395a8fa89975ef2c2260f9a03560

SHA512
8c0890dfeca5e73dc7a9c679f594a7892c09f708a242da2e4a7f5067f21a11cb24c9e69f4da55a605fa2fde9aa2e84b6da881a97559eaaf87949566a8266d3fc

Download Submit
memory/964-12-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/964-13-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/964-16-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/5112-0-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

Filesize
4KB

Download
memory/5112-1-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/5112-2-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download
memory/5112-14-0x0000000074CC0000-0x0000000075271000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads