diamondfox | b8fda370e83bf776a2f4c4a23f5d701186e21984f771e878f04fe0136faf1fbf

General

Target

SearchIndexer.exe
Size

91KB
MD5

1cc07a0274718e845c9b77f8334c4cb3
SHA1

12b6c08371fd4661ed2da442e7ec34f226d7ac01
SHA256

b8fda370e83bf776a2f4c4a23f5d701186e21984f771e878f04fe0136faf1fbf
SHA512

0bb60c3a608a6227cfe66f264b2fcdc932e9c9f8f72ff8f8569f23400b6563b8cd834deae1fe4f3866dbef003bbc25372481d6ca8edfcd2467c16a35aa4dfb9d
SSDEEP

768:p4drUhaNJp/Z4+UbvK76rVtMumnS8pFLkFDNL5HkKTog4ZI7O9RYdi7aehyf0CFz:p4Yh+5RivTopgd2X9BLLoGoVfj6zyfi

Score

10^/10

diamondfox botnet discovery execution infostealer stealer

Malware Config

Extracted

Family

diamondfox

C2

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 1 IoCs

Detects DiamondFox payload in file/memory.

infostealer

resource	yara_rule
behavioral1/files/0x0008000000015d4c-13.dat	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
2496	SearchIndexer.exe

Loads dropped DLL 2 IoCs

pid	Process
2892	powershell.exe
2892	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
2892	powershell.exe

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SearchIndexer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SearchIndexer.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2892	powershell.exe
2892	powershell.exe
2892	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2232	SearchIndexer.exe
2496	SearchIndexer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2892	2232	SearchIndexer.exe	30
PID 2232 wrote to memory of 2892	2232	SearchIndexer.exe	30
PID 2232 wrote to memory of 2892	2232	SearchIndexer.exe	30
PID 2232 wrote to memory of 2892	2232	SearchIndexer.exe	30
PID 2892 wrote to memory of 2496	2892	powershell.exe	32
PID 2892 wrote to memory of 2496	2892	powershell.exe	32
PID 2892 wrote to memory of 2496	2892	powershell.exe	32
PID 2892 wrote to memory of 2496	2892	powershell.exe	32

C:\Users\Admin\AppData\Local\Temp\SearchIndexer.exe
"C:\Users\Admin\AppData\Local\Temp\SearchIndexer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232
- 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
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe
    "C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab8AF3.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8B25.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe

Filesize
91KB

MD5
1cc07a0274718e845c9b77f8334c4cb3

SHA1
12b6c08371fd4661ed2da442e7ec34f226d7ac01

SHA256
b8fda370e83bf776a2f4c4a23f5d701186e21984f771e878f04fe0136faf1fbf

SHA512
0bb60c3a608a6227cfe66f264b2fcdc932e9c9f8f72ff8f8569f23400b6563b8cd834deae1fe4f3866dbef003bbc25372481d6ca8edfcd2467c16a35aa4dfb9d

Download Submit
memory/2892-4-0x0000000074571000-0x0000000074572000-memory.dmp

Filesize
4KB

Download
memory/2892-6-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-5-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-7-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-8-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-10-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2892-22-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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