diamondfox | b8fda370e83bf776a2f4c4a23f5d701186e21984f771e878f04fe0136faf1fbf

Resubmissions

19/09/2021, 03:58

210919-ejryxachcm 10

19/09/2021, 01:27

210919-bvbjhscgel 10

19/09/2021, 01:24

210919-bsvvdaaba9 10

12/08/2020, 13:47

200812-vc8ftkz17s 10

Analysis

max time kernel
114s
max time network
114s
platform
windows7_x64
resource
win7-en-20210916
submitted
19/09/2021, 01:24

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General

Target

SearchIndexer.exe
Size

91KB
MD5

1cc07a0274718e845c9b77f8334c4cb3
SHA1

12b6c08371fd4661ed2da442e7ec34f226d7ac01
SHA256

b8fda370e83bf776a2f4c4a23f5d701186e21984f771e878f04fe0136faf1fbf
SHA512

0bb60c3a608a6227cfe66f264b2fcdc932e9c9f8f72ff8f8569f23400b6563b8cd834deae1fe4f3866dbef003bbc25372481d6ca8edfcd2467c16a35aa4dfb9d

Score

10^/10

diamondfox botnet stealer

Malware Config

Extracted

Family

diamondfox

http://timesync.live/panel/gate.php

http://cartierxs.bit/panel/gate.php

http://salamsa.bit/panel/gate.php

http://rockababy.bit/panel/gate.php

http://minon.bit/panel/gate.php

http://bloxfox.bit/panel/gate.php

http://ggbbee.bit/panel/gate.php

http://locksock.bit/panel/gate.php

http://misosoup.bit/panel/gate.php

http://opseckes.bit/panel/gate.php

http://googletabmanager.com/panel/gate.php

Mutex

cyjJzYyDay1EfrkaW4HRyO6y4OufUKaS

xor.plain

Signatures

DiamondFox
DiamondFox is a multipurpose botnet with many capabilities.
botnet stealer diamondfox

DiamondFox payload 4 IoCs

Detects DiamondFox payload in file/memory.

resource	yara_rule
behavioral1/files/0x00050000000125f8-59.dat	diamondfox
behavioral1/files/0x00050000000125f8-62.dat	diamondfox
behavioral1/files/0x00050000000125f8-64.dat	diamondfox
behavioral1/files/0x00050000000125f8-69.dat	diamondfox

Executes dropped EXE 2 IoCs

pid	Process
2016	SearchIndexer.exe
772	SearchIndexer.exe

Loads dropped DLL 1 IoCs

pid	Process
520	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
520	powershell.exe
520	powershell.exe
520	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	powershell.exe
Token: SeRestorePrivilege	2044	7zFM.exe
Token: 35	2044	7zFM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	7zFM.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1580	SearchIndexer.exe
2016	SearchIndexer.exe
772	SearchIndexer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 520	1580	SearchIndexer.exe	28
PID 1580 wrote to memory of 520	1580	SearchIndexer.exe	28
PID 1580 wrote to memory of 520	1580	SearchIndexer.exe	28
PID 1580 wrote to memory of 520	1580	SearchIndexer.exe	28
PID 520 wrote to memory of 772	520	powershell.exe	40
PID 520 wrote to memory of 772	520	powershell.exe	40
PID 520 wrote to memory of 772	520	powershell.exe	40
PID 520 wrote to memory of 772	520	powershell.exe	40

C:\Users\Admin\AppData\Local\Temp\SearchIndexer.exe
"C:\Users\Admin\AppData\Local\Temp\SearchIndexer.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\SearchIndexer.exe' -Destination 'C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe'
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe
    "C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:772

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1632

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" shell32.dll,Options_RunDLL 0
1⤵
PID:1772

C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe
"C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2016

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/520-56-0x0000000074E81000-0x0000000074E83000-memory.dmp

Filesize
8KB

Download
memory/520-57-0x00000000024B0000-0x00000000030FA000-memory.dmp

Filesize
12.3MB

Download
memory/1632-58-0x000007FEFB671000-0x000007FEFB673000-memory.dmp

Filesize
8KB

Download