88b73e930b82693cc6f242084c06d978cb343144f32bd997a9e4021917b4c182

Resubmissions

14-10-2024 21:39

241014-1hsdya1hnq 10

11-10-2024 13:56

241011-q8wh6swamf 10

Analysis

max time kernel
149s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 13:56

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General

Target

Drk's ByfronFucker/Drk's ByfronFucker.exe
Size

5.2MB
MD5

1f029d50ec7a7f175b2fd5d08f35ae05
SHA1

509317a9a5ee58700def53a99bac2c3c0bb0264a
SHA256

b0ee0ae8251dd20eef46b14cf902fa74331753cb3efa8b0be5850a4345bcd5cb
SHA512

8cb0460feb65e97454a88cab277efd000720db2c51a333f24bed074876079071472772270589c04878cc393b6183fa9fb3cd302408fd0601211cbbddc64b279e
SSDEEP

98304:qI2SKrP1dw9dCtwsQKVIo5QRNVG3Z+/8k4yqaRXn0nUYDAro+c:qI2LGnCtwsBICqNVGE/14RaF0nBA0+c

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1728655011437.tmp"	reg.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	Drk's ByfronFucker.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4544	cmd.exe
4492	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4492	PING.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4072	javaw.exe
4072	javaw.exe
4072	javaw.exe
4072	javaw.exe
2036	java.exe
2036	java.exe
2036	java.exe
2036	java.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 4072	1360	Drk's ByfronFucker.exe	85
PID 1360 wrote to memory of 4072	1360	Drk's ByfronFucker.exe	85
PID 4072 wrote to memory of 2036	4072	javaw.exe	86
PID 4072 wrote to memory of 2036	4072	javaw.exe	86
PID 2036 wrote to memory of 1628	2036	java.exe	88
PID 2036 wrote to memory of 1628	2036	java.exe	88
PID 2036 wrote to memory of 4156	2036	java.exe	90
PID 2036 wrote to memory of 4156	2036	java.exe	90
PID 4156 wrote to memory of 1436	4156	cmd.exe	92
PID 4156 wrote to memory of 1436	4156	cmd.exe	92
PID 2036 wrote to memory of 1636	2036	java.exe	93
PID 2036 wrote to memory of 1636	2036	java.exe	93
PID 1636 wrote to memory of 2984	1636	cmd.exe	95
PID 1636 wrote to memory of 2984	1636	cmd.exe	95
PID 2036 wrote to memory of 4544	2036	java.exe	96
PID 2036 wrote to memory of 4544	2036	java.exe	96
PID 4544 wrote to memory of 4492	4544	cmd.exe	98
PID 4544 wrote to memory of 4492	4544	cmd.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1628	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Drk's ByfronFucker\Drk's ByfronFucker.exe
"C:\Users\Admin\AppData\Local\Temp\Drk's ByfronFucker\Drk's ByfronFucker.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Drk's ByfronFucker\Drk's ByfronFucker.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4072
- - C:\Program Files\Java\jre-1.8\bin\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\bqumtroMzf1409793782058839657.tmp
    3⤵
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2036
  - - C:\Windows\SYSTEM32\attrib.exe
      attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1728655011437.tmp
      4⤵
      Views/modifies file attributes
      PID:1628
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1728655011437.tmp" /f"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4156
    - - C:\Windows\system32\reg.exe
        
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1728655011437.tmp" /f
        5⤵
        Adds Run key to start application
        
        PID:1436
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "REG DELETE HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /f"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1636
    - - C:\Windows\system32\reg.exe
        
        REG DELETE HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /f
        5⤵
        
        PID:2984
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd /c ping localhost -n 6 > nul && del C:\Users\Admin\AppData\Local\Temp\bqumtroMzf1409793782058839657.tmp
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:4544
    - - C:\Windows\system32\PING.EXE
        
        ping localhost -n 6
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
f30bd705a9caaf9f0f6d3bfd16748f28

SHA1
85d314b65e11965d4f1ecbab5bce37aa82b4a739

SHA256
51707e4b570a92bb7613058f9595e3b2cc3a65492f2b8c8ce9d34ec40fd8fd8e

SHA512
e9e857031006cd89434c53a2d12361c140123620624471566c7a3df3c788fa5b52e036c227c5d474d1e92b1b0bb2c6ddededfc6b1c014089e46c141655249f2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\bqumtroMzf1409793782058839657.tmp

Filesize
710KB

MD5
3d5299e0b01bb2ef7bb74f2e989df828

SHA1
64994d1efab5196ba9e6946edc9acc0b36578054

SHA256
3451f4acd26bd4447638f48406b2325cf1e26e7c2dc4c7ac28cd029e0f43855b

SHA512
fbf14f98fc8c43a1cd8baea8693389b79cdfae5557d64d097ed19920f7328373b3d03fd1d8c6773eff1867fd975a0c23f9d77a845e3e590030faedc3c712453e

Download Submit
C:\Users\Admin\AppData\Local\Temp\imageio2062622305641313102.tmp

Filesize
29KB

MD5
761e7cac78f8deb83bd52975c3587ae3

SHA1
27631a377d9db140287fe5d06080fe691ad18e37

SHA256
10de032edea9616e125cfe8a4cda5e6304056e4e36e78e06dd80116fda569c7a

SHA512
d5f7e674da88264d2aa79838c728517f14db8cbc6bec51564020e4872636b5e3693e3af6c1e4d9b736a091508917a5f1104fe8ca03a35f2bfb11b964acc4cb13

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2437139445-1151884604-3026847218-1000\83aa4cc77f591dfc2374580bbd95f6ba_4304acb9-c3f6-452a-9860-eb4e85d38d4e

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
memory/1360-0-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2036-54-0x000001C8B0300000-0x000001C8B0301000-memory.dmp

Filesize
4KB

Download
memory/2036-102-0x000001C8B0300000-0x000001C8B0301000-memory.dmp

Filesize
4KB

Download
memory/2036-48-0x000001C8B0300000-0x000001C8B0301000-memory.dmp

Filesize
4KB

Download
memory/2036-105-0x000001C8B1BD0000-0x000001C8B1E40000-memory.dmp

Filesize
2.4MB

Download
memory/2036-104-0x000001C8B1BD0000-0x000001C8B1E40000-memory.dmp

Filesize
2.4MB

Download
memory/2036-22-0x000001C8B1BD0000-0x000001C8B1E40000-memory.dmp

Filesize
2.4MB

Download
memory/2036-83-0x000001C8B0300000-0x000001C8B0301000-memory.dmp

Filesize
4KB

Download
memory/2036-85-0x000001C8B0300000-0x000001C8B0301000-memory.dmp

Filesize
4KB

Download
memory/4072-3-0x0000014EEA680000-0x0000014EEA8F0000-memory.dmp

Filesize
2.4MB

Download
memory/4072-97-0x0000014EEA680000-0x0000014EEA8F0000-memory.dmp

Filesize
2.4MB

Download
memory/4072-35-0x0000014EE8E40000-0x0000014EE8E41000-memory.dmp

Filesize
4KB

Download
memory/4072-70-0x0000014EE8E40000-0x0000014EE8E41000-memory.dmp

Filesize
4KB

Download
memory/4072-33-0x0000014EE8E40000-0x0000014EE8E41000-memory.dmp

Filesize
4KB

Download
memory/4072-129-0x0000014EE8E40000-0x0000014EE8E41000-memory.dmp

Filesize
4KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads