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

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
behavioral2/files/0x0012000000023c9c-34.dat	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
2360	SearchIndexer.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
2928	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	SearchIndexer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SearchIndexer.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2928	powershell.exe
2928	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4044	SearchIndexer.exe
2360	SearchIndexer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 2928	4044	SearchIndexer.exe	95
PID 4044 wrote to memory of 2928	4044	SearchIndexer.exe	95
PID 4044 wrote to memory of 2928	4044	SearchIndexer.exe	95
PID 2928 wrote to memory of 2360	2928	powershell.exe	101
PID 2928 wrote to memory of 2360	2928	powershell.exe	101
PID 2928 wrote to memory of 2360	2928	powershell.exe	101

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:4044
- 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⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2928
- - 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:2360

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\__PSScriptPolicyTest_tmiguzcr.yhf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
91KB

MD5
1cc07a0274718e845c9b77f8334c4cb3

SHA1
12b6c08371fd4661ed2da442e7ec34f226d7ac01

SHA256
b8fda370e83bf776a2f4c4a23f5d701186e21984f771e878f04fe0136faf1fbf

SHA512
0bb60c3a608a6227cfe66f264b2fcdc932e9c9f8f72ff8f8569f23400b6563b8cd834deae1fe4f3866dbef003bbc25372481d6ca8edfcd2467c16a35aa4dfb9d

Download Submit
memory/2928-20-0x0000000006600000-0x000000000661E000-memory.dmp

Filesize
120KB

Download
memory/2928-21-0x0000000006760000-0x00000000067AC000-memory.dmp

Filesize
304KB

Download
memory/2928-6-0x0000000005630000-0x0000000005652000-memory.dmp

Filesize
136KB

Download
memory/2928-7-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/2928-8-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/2928-9-0x0000000005E00000-0x0000000005E66000-memory.dmp

Filesize
408KB

Download
memory/2928-4-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/2928-19-0x0000000005FF0000-0x0000000006344000-memory.dmp

Filesize
3.3MB

Download
memory/2928-2-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2928-5-0x0000000005760000-0x0000000005D88000-memory.dmp

Filesize
6.2MB

Download
memory/2928-22-0x0000000006B80000-0x0000000006C16000-memory.dmp

Filesize
600KB

Download
memory/2928-23-0x0000000006B00000-0x0000000006B1A000-memory.dmp

Filesize
104KB

Download
memory/2928-24-0x0000000006B50000-0x0000000006B72000-memory.dmp

Filesize
136KB

Download
memory/2928-25-0x0000000007BB0000-0x0000000008154000-memory.dmp

Filesize
5.6MB

Download
memory/2928-27-0x00000000087E0000-0x0000000008E5A000-memory.dmp

Filesize
6.5MB

Download
memory/2928-28-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2928-29-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/2928-3-0x0000000005030000-0x0000000005066000-memory.dmp

Filesize
216KB

Download
memory/2928-42-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download

Analysis

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