njrat | ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508e

General

Target

ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe
Size

23KB
MD5

c57af69431740be4a691d5d749265c90
SHA1

1dcf40896ee9a465a9408a58f2e8896fe55fa3ee
SHA256

ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508e
SHA512

d861c392677e6b044109093db58562cb5c73a8eefc52ed978cae927a64291c49aea7bbafe2b3afa6426d75c49172f1651fe639a04afe45daa07759612948cae8
SSDEEP

384:f+n2650N3qZbATcjRGC5Eo9D46BgnqUhay19mRvR6JZlbw8hqIusZzZ2Fg:4m+71d5bRpcnuu

Score

10^/10

njrat hacked discovery trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

voldemort1997.ddns.net:5553

Mutex

46c8cfd2eb014511308b7d227d6dd2df

Attributes

reg_key
46c8cfd2eb014511308b7d227d6dd2df
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	ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 2204	1088	ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe	29
PID 1088 wrote to memory of 2204	1088	ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe	29
PID 1088 wrote to memory of 2204	1088	ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe	29
PID 1088 wrote to memory of 2204	1088	ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe	29
PID 1088 wrote to memory of 2204	1088	ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe	29
PID 1088 wrote to memory of 2204	1088	ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe	29
PID 1088 wrote to memory of 2204	1088	ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe	29
PID 2204 wrote to memory of 2816	2204	rundll32.exe	30
PID 2204 wrote to memory of 2816	2204	rundll32.exe	30
PID 2204 wrote to memory of 2816	2204	rundll32.exe	30
PID 2204 wrote to memory of 2816	2204	rundll32.exe	30

C:\Users\Admin\AppData\Local\Temp\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe
"C:\Users\Admin\AppData\Local\Temp\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\NWA
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2204
- - 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\Roaming\NWA"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
6f81f8465428ae258c4b5e86c32e10f1

SHA1
6721568f1aa4356fdced4a2205537ee433b3306c

SHA256
db8bd4601085aa1b90aa587cb3a0932db0e8ffaa826fd866a3521d539606d623

SHA512
63270d7f81df627f268eef886b55cac8a232b044621a71cb885347b8cd36bce30174b01fc0cb58dddd649a7a9225453315f8798d0cee0b3389c79882cec1beaa

Download Submit
C:\Users\Admin\AppData\Roaming\NWA

Filesize
23KB

MD5
c57af69431740be4a691d5d749265c90

SHA1
1dcf40896ee9a465a9408a58f2e8896fe55fa3ee

SHA256
ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508e

SHA512
d861c392677e6b044109093db58562cb5c73a8eefc52ed978cae927a64291c49aea7bbafe2b3afa6426d75c49172f1651fe639a04afe45daa07759612948cae8

Download Submit
memory/1088-0-0x00000000743C1000-0x00000000743C2000-memory.dmp

Filesize
4KB

Download
memory/1088-1-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/1088-2-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/1088-5-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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