b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b

Analysis

max time kernel
143s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
30/06/2024, 16:23

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General

Target

b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
Size

15.0MB
MD5

f49193176f6ba96ce98c927ea6ffc105
SHA1

af91915ab0a73665e2e4b4dbf03536825bc99916
SHA256

b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b
SHA512

ec7f8b197af0932bfd0e11166bd8728bdfc9a327871807a1607eb983db3aa6365b60d29b9cf2504263a586c6a57af3ef61822ad67c0db7e28db04cbb1a9deae2
SSDEEP

196608:AzwoVmUuCvh7pQoXhQET1AIx53YJbaogxWVmw+pLFKc:oVmUuy7p7XhN5VIHgkVmwYLFT

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
4400	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
4400	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
1616	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
1616	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\font_temp.ttf	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
File opened for modification	C:\Windows\Fonts\font_temp.ttf	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4436	PING.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4400	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
4400	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
1616	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
1616	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 3676	4400	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe	82
PID 4400 wrote to memory of 3676	4400	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe	82
PID 4400 wrote to memory of 3676	4400	b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe	82
PID 3676 wrote to memory of 4436	3676	cmd.exe	84
PID 3676 wrote to memory of 4436	3676	cmd.exe	84
PID 3676 wrote to memory of 4436	3676	cmd.exe	84
PID 3676 wrote to memory of 1616	3676	cmd.exe	88
PID 3676 wrote to memory of 1616	3676	cmd.exe	88
PID 3676 wrote to memory of 1616	3676	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
"C:\Users\Admin\AppData\Local\Temp\b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\Restart.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3676
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:4436
- - C:\Users\Admin\AppData\Local\Temp\b9b0c87de0a1ca5357678f34d9ea61a946f5711d01950913309a8ddbfd01536b.exe
    "C:\Users\Admin\AppData\Local\Temp\B9B0C8~1.EXE"
    3⤵
    - Loads dropped DLL
    - Suspicious use of SetWindowsHookEx
    PID:1616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230725.lib

Filesize
1.6MB

MD5
a081782e61d769dcd299bb7672aed743

SHA1
78d4795bb43ad2b949192b09987b17eba156dced

SHA256
34ece32d4bf3dab02772326afd2e5d8d1f28d7c5be6379c3d40875a03345bafa

SHA512
e7384eab27e866284071709f90097db8a6bc630d5dee8b102a0f4a6b9af9a70797209bd50d00ed28899ee4628b937f44cf2eb8d5518562b3c37925ad53704ab0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Restart.bat

Filesize
113B

MD5
1885e432430cc1d778ba290d1588ca73

SHA1
7866c08c1a1c0d63adf6ece2f404c176825591cc

SHA256
b051ab8e9a090e5908f378a10259cabd3d3615df8f968d1a0dfe34c50ddb13e8

SHA512
08af5f911a0d6665ac812a17b45b4c916ceddee31848bc3589ceff327337b59e887f11276fbf8379932dfe15fbacf455981e2f2b6ddc6b46d5671977d61901aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\e57323b.tmp

Filesize
333KB

MD5
56a2bcecbd3cddd6f4a35361bf4920d6

SHA1
992e63be423f0e61093ba183f49fc0cbec790488

SHA256
5fcfac18758a12e0e717a5189f379922a32b5ac12f26491e638d70b54ae1dcab

SHA512
473cbdf760242db1f0f1d0c27046c0564998f2bf931ad03feb28af3c7bd253d00e6f0836dadf37f29e0db4171eb64e6a15ed4cb9a9d28b48fb0aab601573f551

Download Submit
C:\Users\Admin\AppData\Local\Temp\font_temp.ttf

Filesize
8.0MB

MD5
092a99ee52bbaef7481cc96c5b85b992

SHA1
06b8475f99605af9ff9ff3ed1d0eb907fd57c06b

SHA256
b3f675ccfc65edd6f27432dec6639b1414e9dc627831791263a99e2d711d215d

SHA512
3538cebe1c0e2439c7ba289c4420627d59b4922e26242408f114aa01d342734b057d92edac35bee7c47cb926091695efc6c560802db0cd342f75cee1f8b96baf

Download Submit
memory/1616-35-0x0000000061080000-0x0000000061119000-memory.dmp

Filesize
612KB

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