503f1b432f933c9c7a78687d3bb7a2e535b55b496785e3b0a92aff9326f9f176

Analysis

max time kernel
84s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:52

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General

Target

56c85d262f202a73935e00423a524600N.exe
Size

208KB
MD5

56c85d262f202a73935e00423a524600
SHA1

2d29902cade3aedb92f60118217bde5d828f0234
SHA256

503f1b432f933c9c7a78687d3bb7a2e535b55b496785e3b0a92aff9326f9f176
SHA512

fd8d52d33030afaab17a5158df5939142535f152b1af77d7b224f83f41199ee3703fe02f0efb716e5651aa71ca9b8d5265772d5d6bcea1fe9614355bb1812454
SSDEEP

6144:TMAsW/uBFMhofrmKv6J3iMsd/xZ9qFD6ZyOY90dQEj:YbZg3ALkObQ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2268	NUJN.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\windows\NUJN.exe	56c85d262f202a73935e00423a524600N.exe
File opened for modification	C:\windows\NUJN.exe	56c85d262f202a73935e00423a524600N.exe
File created	C:\windows\NUJN.exe.bat	56c85d262f202a73935e00423a524600N.exe

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	NUJN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56c85d262f202a73935e00423a524600N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3004	56c85d262f202a73935e00423a524600N.exe
3004	56c85d262f202a73935e00423a524600N.exe
2268	NUJN.exe
2268	NUJN.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3004	56c85d262f202a73935e00423a524600N.exe
3004	56c85d262f202a73935e00423a524600N.exe
2268	NUJN.exe
2268	NUJN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2432	3004	56c85d262f202a73935e00423a524600N.exe	31
PID 3004 wrote to memory of 2432	3004	56c85d262f202a73935e00423a524600N.exe	31
PID 3004 wrote to memory of 2432	3004	56c85d262f202a73935e00423a524600N.exe	31
PID 3004 wrote to memory of 2432	3004	56c85d262f202a73935e00423a524600N.exe	31
PID 2432 wrote to memory of 2268	2432	cmd.exe	33
PID 2432 wrote to memory of 2268	2432	cmd.exe	33
PID 2432 wrote to memory of 2268	2432	cmd.exe	33
PID 2432 wrote to memory of 2268	2432	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\56c85d262f202a73935e00423a524600N.exe
"C:\Users\Admin\AppData\Local\Temp\56c85d262f202a73935e00423a524600N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\windows\NUJN.exe.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\windows\NUJN.exe
    C:\windows\NUJN.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2268

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

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Downloads

C:\Windows\NUJN.exe

Filesize
208KB

MD5
b4ad998cb521806a4a010e01b43b4183

SHA1
3cdd71c43d229a1a52fb1c42c39153da918e7160

SHA256
3f478fdf3fcd0b76bd2fbbfeceb4b7c4d93cd95fb750c7793647f93b78bde7a3

SHA512
011132807aea558fbc18bb52da3c60a0b8d01b098616659ea3f65d55f681aa2f3d31e06c140fa1686c19091988d95dc1bdd5fcb377a88e08802d2062caf7534c

Download Submit
C:\Windows\NUJN.exe.bat

Filesize
54B

MD5
adc24c3e8adf6eb0c8145ed3d432e738

SHA1
388a2d460c8e516975c02c911355777193184d66

SHA256
03a89626423bc3191ba8ea0919e7f4f5258964207935419f0463408012faeb9e

SHA512
ff731f2fcbf3438af476c7c3925f66fbd3e4712c805ca9e1f79a478b8bb26386c7ac5cae7cf4e883975c801dbdbdd5ad3ab80079a03d5ef9eeb34de6c6564333

Download Submit
memory/2268-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2268-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-0-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3004-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download