diamondfox | b8fda370e83bf776a2f4c4a23f5d701186e21984f771e878f04fe0136faf1fbf

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

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 2 IoCs

Detects DiamondFox payload in file/memory.

resource	yara_rule
behavioral2/files/0x00070000000220fa-150.dat	diamondfox
behavioral2/files/0x00070000000220fa-151.dat	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
3144	SearchIndexer.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3668	powershell.exe
3668	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	MusNotification.exe
Token: SeCreatePagefilePrivilege	3448	MusNotification.exe
Token: SeDebugPrivilege	3668	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3048	SearchIndexer.exe
3144	SearchIndexer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3668	3048	SearchIndexer.exe	58
PID 3048 wrote to memory of 3668	3048	SearchIndexer.exe	58
PID 3048 wrote to memory of 3668	3048	SearchIndexer.exe	58
PID 3668 wrote to memory of 3144	3668	powershell.exe	63
PID 3668 wrote to memory of 3144	3668	powershell.exe	63
PID 3668 wrote to memory of 3144	3668	powershell.exe	63

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:3048
- 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⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3668
- - 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:3144

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3048-130-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/3048-131-0x0000000002170000-0x000000000217A000-memory.dmp

Filesize
40KB

Download
memory/3144-153-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/3144-152-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/3668-142-0x00000000069F0000-0x0000000006A0E000-memory.dmp

Filesize
120KB

Download
memory/3668-146-0x00000000081A0000-0x00000000081C2000-memory.dmp

Filesize
136KB

Download
memory/3668-139-0x0000000006C80000-0x0000000006CA2000-memory.dmp

Filesize
136KB

Download
memory/3668-140-0x0000000006E20000-0x0000000006E86000-memory.dmp

Filesize
408KB

Download
memory/3668-141-0x0000000007570000-0x00000000075D6000-memory.dmp

Filesize
408KB

Download
memory/3668-137-0x0000000006890000-0x0000000006891000-memory.dmp

Filesize
4KB

Download
memory/3668-143-0x0000000006895000-0x0000000006897000-memory.dmp

Filesize
8KB

Download
memory/3668-144-0x00000000081F0000-0x0000000008286000-memory.dmp

Filesize
600KB

Download
memory/3668-145-0x0000000008150000-0x000000000816A000-memory.dmp

Filesize
104KB

Download
memory/3668-138-0x0000000006892000-0x0000000006893000-memory.dmp

Filesize
4KB

Download
memory/3668-147-0x00000000092B0000-0x0000000009854000-memory.dmp

Filesize
5.6MB

Download
memory/3668-148-0x0000000009EE0000-0x000000000A55A000-memory.dmp

Filesize
6.5MB

Download
memory/3668-136-0x0000000006ED0000-0x00000000074F8000-memory.dmp

Filesize
6.2MB

Download
memory/3668-135-0x0000000000EC0000-0x0000000000EF6000-memory.dmp

Filesize
216KB

Download
memory/3668-133-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/3668-134-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/3668-154-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download

Analysis

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