njrat | a023a728fab1ffb9b35cc8fe79ccb098b32221f7ec85ff8f8ed35e3184134ba5

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 10:28

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General

Target

dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe
Size

23KB
MD5

dc3395bc9664f8cf0308634ec11bbd18
SHA1

4f7befb42a13aabf16e8d8aedc539553fb2a95a7
SHA256

a023a728fab1ffb9b35cc8fe79ccb098b32221f7ec85ff8f8ed35e3184134ba5
SHA512

ad22942c728549237510febd6cf8b4a5f8caf5e5db5cf63f348a3591a65d78dad20d073722847485c3605bb06a826bba7ec50867cf65c7d7dd99341c9eb189f2
SSDEEP

384:bweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZSUL:cLq411eRpcnuBO

Score

10^/10

njrat anona discovery trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

anona

anona12345.hopto.org:1177

Mutex

43d2c4a04d4003a3838ff896204e3c44

Attributes

reg_key
43d2c4a04d4003a3838ff896204e3c44
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2400	2728	dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2400	2728	dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2400	2728	dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2400	2728	dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2400	2728	dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2400	2728	dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe	30
PID 2728 wrote to memory of 2400	2728	dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2740	2400	rundll32.exe	31
PID 2400 wrote to memory of 2740	2400	rundll32.exe	31
PID 2400 wrote to memory of 2740	2400	rundll32.exe	31
PID 2400 wrote to memory of 2740	2400	rundll32.exe	31

C:\Users\Admin\AppData\Local\Temp\dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc3395bc9664f8cf0308634ec11bbd18_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\server
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\server"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\server

Filesize
23KB

MD5
dc3395bc9664f8cf0308634ec11bbd18

SHA1
4f7befb42a13aabf16e8d8aedc539553fb2a95a7

SHA256
a023a728fab1ffb9b35cc8fe79ccb098b32221f7ec85ff8f8ed35e3184134ba5

SHA512
ad22942c728549237510febd6cf8b4a5f8caf5e5db5cf63f348a3591a65d78dad20d073722847485c3605bb06a826bba7ec50867cf65c7d7dd99341c9eb189f2

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
8854b4159ce44b86267c6573ab808fd1

SHA1
be13647c2b4e8c2d9b1b3a9ca72e9bfe5835ac2b

SHA256
e007b0327a66fb1e7120369bfde9ca89753f50438ed44ce7bd2dbdbe65d0fd3c

SHA512
c430e99aa380137d43b170729963d6fed67af0240d8aef3f892e78aa57b2204a5cc27e2dfd77b96f946c90ddf2486f8426fe42cdd66e8c74f2512b975b2eaa90

Download Submit
memory/2728-0-0x0000000074081000-0x0000000074082000-memory.dmp

Filesize
4KB

Download
memory/2728-1-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-2-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2728-5-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download