88b73e930b82693cc6f242084c06d978cb343144f32bd997a9e4021917b4c182

Analysis

max time kernel
147s
max time network
95s
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 13:48

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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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1728654563404.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
4596	PING.EXE
464	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4596	PING.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2944	javaw.exe
2944	javaw.exe
2944	javaw.exe
2944	javaw.exe
4148	java.exe
4148	java.exe
4148	java.exe
4148	java.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 2944	3436	Drk's ByfronFucker.exe	85
PID 3436 wrote to memory of 2944	3436	Drk's ByfronFucker.exe	85
PID 2944 wrote to memory of 4148	2944	javaw.exe	87
PID 2944 wrote to memory of 4148	2944	javaw.exe	87
PID 4148 wrote to memory of 404	4148	java.exe	89
PID 4148 wrote to memory of 404	4148	java.exe	89
PID 4148 wrote to memory of 4460	4148	java.exe	91
PID 4148 wrote to memory of 4460	4148	java.exe	91
PID 4460 wrote to memory of 4632	4460	cmd.exe	93
PID 4460 wrote to memory of 4632	4460	cmd.exe	93
PID 4148 wrote to memory of 4368	4148	java.exe	96
PID 4148 wrote to memory of 4368	4148	java.exe	96
PID 4368 wrote to memory of 2024	4368	cmd.exe	98
PID 4368 wrote to memory of 2024	4368	cmd.exe	98
PID 4148 wrote to memory of 464	4148	java.exe	99
PID 4148 wrote to memory of 464	4148	java.exe	99
PID 464 wrote to memory of 4596	464	cmd.exe	101
PID 464 wrote to memory of 4596	464	cmd.exe	101

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
404	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:3436
- 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:2944
- - C:\Program Files\Java\jre-1.8\bin\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\bqumtroMzf7984581495965213802.tmp
    3⤵
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4148
  - - C:\Windows\SYSTEM32\attrib.exe
      attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1728654563404.tmp
      4⤵
      Views/modifies file attributes
      PID:404
  - - 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\1728654563404.tmp" /f"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4460
    - - 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\1728654563404.tmp" /f
        5⤵
        Adds Run key to start application
        
        PID:4632
  - - 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:4368
    - - C:\Windows\system32\reg.exe
        
        REG DELETE HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /f
        5⤵
        
        PID:2024
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd /c ping localhost -n 6 > nul && del C:\Users\Admin\AppData\Local\Temp\bqumtroMzf7984581495965213802.tmp
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:464
    - - C:\Windows\system32\PING.EXE
        
        ping localhost -n 6
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:4596

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
52630d3c0e75296e318794e8ff40aca0

SHA1
53c8d2f2dace71f96214190ef5d07403f61b2866

SHA256
2aceccff079fcb9775e9c930234b875e6ad019f63148a7de6530a73e6ac393ca

SHA512
d64385a8dc17b3b82cb5ea2dff5f592ede18b5b4bf27ff1a930832fdf15601922b850dcf6bb9c872386af767a7643bb35f739ee29eb12667707031fd7b034948

Download Submit
C:\Users\Admin\AppData\Local\Temp\bqumtroMzf7984581495965213802.tmp

Filesize
710KB

MD5
3d5299e0b01bb2ef7bb74f2e989df828

SHA1
64994d1efab5196ba9e6946edc9acc0b36578054

SHA256
3451f4acd26bd4447638f48406b2325cf1e26e7c2dc4c7ac28cd029e0f43855b

SHA512
fbf14f98fc8c43a1cd8baea8693389b79cdfae5557d64d097ed19920f7328373b3d03fd1d8c6773eff1867fd975a0c23f9d77a845e3e590030faedc3c712453e

Download Submit
C:\Users\Admin\AppData\Local\Temp\imageio8583533312547544950.tmp

Filesize
27KB

MD5
775969079c5e77fcec47b02034fe7010

SHA1
bdf3d7843befe1fe1df0da07d0718b470a4bfdf3

SHA256
5401da8c74225d71d5f0dcde1cc8f9bf535148465b28304ddcfc6fc092a8243a

SHA512
51694cb03ae3826779c79c2b93b9f7415b5e9604a6f68a3c2895c80a851546b5ded3d49853c71833e3c885fd7cbf1b47fdd688f1b7d22e043c110289e8416b83

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3756129449-3121373848-4276368241-1000\83aa4cc77f591dfc2374580bbd95f6ba_a63d6fdc-08cb-4232-ab51-76cafdcb4d96

Filesize
45B

MD5
c8366ae350e7019aefc9d1e6e6a498c6

SHA1
5731d8a3e6568a5f2dfbbc87e3db9637df280b61

SHA256
11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

SHA512
33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

Download Submit
memory/2944-3-0x000001AECC520000-0x000001AECC790000-memory.dmp

Filesize
2.4MB

Download
memory/2944-192-0x000001AECC500000-0x000001AECC501000-memory.dmp

Filesize
4KB

Download
memory/2944-37-0x000001AECC500000-0x000001AECC501000-memory.dmp

Filesize
4KB

Download
memory/2944-102-0x000001AECC520000-0x000001AECC790000-memory.dmp

Filesize
2.4MB

Download
memory/2944-66-0x000001AECC500000-0x000001AECC501000-memory.dmp

Filesize
4KB

Download
memory/3436-0-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4148-96-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-105-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-91-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-81-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-53-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-101-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-39-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-103-0x0000014F80000000-0x0000014F80270000-memory.dmp

Filesize
2.4MB

Download
memory/4148-104-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-89-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-106-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-137-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-142-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-147-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-149-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-151-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-162-0x0000014FF3450000-0x0000014FF3451000-memory.dmp

Filesize
4KB

Download
memory/4148-164-0x0000014F80000000-0x0000014F80270000-memory.dmp

Filesize
2.4MB

Download
memory/4148-22-0x0000014F80000000-0x0000014F80270000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads