njrat | b54a5006d5a320b07d108cc9582eb405c51adfd1eddd08f34ae81f5c1aa2b04e

Analysis

max time kernel
149s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 10:52

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General

Target
2483b56a0bdeda5fc1ed64629f45e8b2_JaffaCakes118.exe
Size 55KB
Sample240508-myssragg7w
SHA256 b54a5006d5a320b07d108cc9582eb405c51adfd1eddd08f34ae81f5c1aa2b04e
MD5 2483b56a0bdeda5fc1ed64629f45e8b2
SHA1 cf46159d3f71dc299741a9458057e60d5004bf88
SHA512 49edaaebab3e565e2d35221dd2a6784e479ce4f38b8e5838bdf9fe02852152a88bc34771ef0f3f84502d5ade6aa22777ad265516d580f55816de8feb73759105
SSDEEP 1536:NDn3kNR1G/NsOCMuvrEFWyC4hG853t1G/NsOCMuvrEFWyC4hG2:NDn3kNiC7yxw853uC7yxw2
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat hacked evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

127.0.0.1:5552

Mutex

23f0e3bce589df29a3e6f3e8879b41c1

Attributes

reg_key
23f0e3bce589df29a3e6f3e8879b41c1
splitter
|'|'|

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
2412	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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	2483b56a0bdeda5fc1ed64629f45e8b2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2492	server.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	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe
Token: 33	2492	server.exe
Token: SeIncBasePriorityPrivilege	2492	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2492	2204	2483b56a0bdeda5fc1ed64629f45e8b2_JaffaCakes118.exe	95
PID 2204 wrote to memory of 2492	2204	2483b56a0bdeda5fc1ed64629f45e8b2_JaffaCakes118.exe	95
PID 2204 wrote to memory of 2492	2204	2483b56a0bdeda5fc1ed64629f45e8b2_JaffaCakes118.exe	95
PID 2492 wrote to memory of 2412	2492	server.exe	99
PID 2492 wrote to memory of 2412	2492	server.exe	99
PID 2492 wrote to memory of 2412	2492	server.exe	99

C:\Users\Admin\AppData\Local\Temp\2483b56a0bdeda5fc1ed64629f45e8b2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2483b56a0bdeda5fc1ed64629f45e8b2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

server.exe

Path C:\Users\Admin\AppData\Local\Temp\server.exe
Size 55KB
SHA256 b54a5006d5a320b07d108cc9582eb405c51adfd1eddd08f34ae81f5c1aa2b04e
MD5 2483b56a0bdeda5fc1ed64629f45e8b2
SHA1 cf46159d3f71dc299741a9458057e60d5004bf88
SHA512 49edaaebab3e565e2d35221dd2a6784e479ce4f38b8e5838bdf9fe02852152a88bc34771ef0f3f84502d5ade6aa22777ad265516d580f55816de8feb73759105
SSDEEP 1536:NDn3kNR1G/NsOCMuvrEFWyC4hG853t1G/NsOCMuvrEFWyC4hG2:NDn3kNiC7yxw853uC7yxw2
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2204-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

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memory/2204-1-0x0000000000760000-0x0000000000774000-memory.dmp

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memory/2204-2-0x0000000002A10000-0x0000000002A1C000-memory.dmp

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memory/2204-3-0x0000000005170000-0x000000000520C000-memory.dmp

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memory/2204-4-0x00000000057C0000-0x0000000005D64000-memory.dmp

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memory/2492-17-0x0000000074AA0000-0x0000000075250000-memory.dmp

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memory/2492-18-0x0000000005AE0000-0x0000000005B72000-memory.dmp

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memory/2492-19-0x0000000074AA0000-0x0000000075250000-memory.dmp

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memory/2492-20-0x0000000005A70000-0x0000000005A7A000-memory.dmp

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memory/2492-21-0x0000000074AA0000-0x0000000075250000-memory.dmp

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memory/2492-22-0x0000000074AA0000-0x0000000075250000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads