diamondfox | 7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660

General

Target

7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe
Size

154KB
MD5

97f7bbf2f5861692617d661758bcf35b
SHA1

d59a0e3d77e22523a2fb657f756adebc32452ee0
SHA256

7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660
SHA512

eb8a846c2c16c3f405bf554ae715e915df680af0fd2901f427679a1cc5910ce5d2cb8e72c66ad2a6720093fde5c6156833aaa02655e5fd25a3e1b002251c7767

Score

10^/10

diamondfox botnet stealer

Malware Config

Signatures

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

DiamondFox payload 2 IoCs

Detects DiamondFox payload in file/memory.

Processes:

resource	yara_rule
behavioral2/memory/3108-5-0x0000000004FB0000-0x0000000004FC8000-memory.dmp	diamondfox
behavioral2/memory/3108-6-0x0000000000400000-0x000000000041A000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

Processes:

spoolsv.exe

pid process

2428 spoolsv.exe
Drops startup file 1 IoCs

Processes:

powershell.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\spoolsv.lnk powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exe

pid process

1336 powershell.exe
1336 powershell.exe
1336 powershell.exe
2576 powershell.exe
2576 powershell.exe
2576 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1336 powershell.exe
Token: SeDebugPrivilege 2576 powershell.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exespoolsv.exe

pid process

3108 7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe
2428 spoolsv.exe

pid	process
2428	spoolsv.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\spoolsv.lnk	powershell.exe

pid	process
1336	powershell.exe
1336	powershell.exe
1336	powershell.exe
2576	powershell.exe
2576	powershell.exe
2576	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1336	powershell.exe
Token: SeDebugPrivilege	2576	powershell.exe

pid	process
3108	7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe
2428	spoolsv.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exepowershell.exespoolsv.exe

description	pid	process	target process
PID 3108 wrote to memory of 1336	3108	7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe	powershell.exe
PID 3108 wrote to memory of 1336	3108	7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe	powershell.exe
PID 3108 wrote to memory of 1336	3108	7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe	powershell.exe
PID 1336 wrote to memory of 2428	1336	powershell.exe	spoolsv.exe
PID 1336 wrote to memory of 2428	1336	powershell.exe	spoolsv.exe
PID 1336 wrote to memory of 2428	1336	powershell.exe	spoolsv.exe
PID 2428 wrote to memory of 2576	2428	spoolsv.exe	powershell.exe
PID 2428 wrote to memory of 2576	2428	spoolsv.exe	powershell.exe
PID 2428 wrote to memory of 2576	2428	spoolsv.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe
"C:\Users\Admin\AppData\Local\Temp\7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3108

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe' -Destination 'C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336

C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe
"C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2428

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell $shell = New-Object -ComObject WScript.Shell;$shortcut = $shell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\spoolsv.lnk');$shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe';$shortcut.Save()
4⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2576

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
MD5
e71a0a7e48b10bde0a9c54387762f33e

SHA1
fed75947f1163b00096e24a46e67d9c21e7eeebd

SHA256
83d7be67d0eb544d655cc8e8eb687c26f772d6a40ebf8394e5c12b248976a2de

SHA512
394c25daef6143de894505189b1edcdffb82fd6ab9de1c9e43865fb790803ff5c384debfe16236d4a9d95a78d3eea548d3cef332ed5a6881ac9c50d252c3c34a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
MD5
c2d06c11dd1f1a8b1dedc1a311ca8cdc

SHA1
75c07243f9cb80a9c7aed2865f9c5192cc920e7e

SHA256
91ac15f1f176f74f02ce89ecdc443d8e33e0064c7bc69a87c7b2da145449d586

SHA512
db00860292c3e7430b1534f459c2f0f9778df3a94c51d622dcf1cde390a5539bdc6d60a0d41e6f1ed99a989f17ecb109abd4c17faac4cd398945536f1d0ebb4d

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
c40e32d92f32e900e5ccf1a18b3e8778

SHA1
8a522b6b4fc85ec56c6f71da766080ed5f4fc1dd

SHA256
562da78eac2b3a1405ead479ac35a3197a27c733a61dbf2bc8528b06fd5f7a06

SHA512
9d0ec9de60a10865b6ef151bd8dfd5ccfd8e3fd17d5746513e23bd357b2d2885fd5fcdf8420b287e472cc7ea6c6cf44f1bef19aad665e86716f72c67aad5172f

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C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe
MD5
97f7bbf2f5861692617d661758bcf35b

SHA1
d59a0e3d77e22523a2fb657f756adebc32452ee0

SHA256
7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660

SHA512
eb8a846c2c16c3f405bf554ae715e915df680af0fd2901f427679a1cc5910ce5d2cb8e72c66ad2a6720093fde5c6156833aaa02655e5fd25a3e1b002251c7767

Download Submit
C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe
MD5
97f7bbf2f5861692617d661758bcf35b

SHA1
d59a0e3d77e22523a2fb657f756adebc32452ee0

SHA256
7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660

SHA512
eb8a846c2c16c3f405bf554ae715e915df680af0fd2901f427679a1cc5910ce5d2cb8e72c66ad2a6720093fde5c6156833aaa02655e5fd25a3e1b002251c7767

Download Submit
memory/1336-13-0x0000000007270000-0x0000000007271000-memory.dmp

Filesize
4KB

Download
memory/1336-24-0x000000000A580000-0x000000000A581000-memory.dmp

Filesize
4KB

Download
memory/1336-11-0x0000000007010000-0x0000000007011000-memory.dmp

Filesize
4KB

Download
memory/1336-12-0x0000000007012000-0x0000000007013000-memory.dmp

Filesize
4KB

Download
memory/1336-7-0x0000000000000000-mapping.dmp

Download
memory/1336-14-0x0000000007410000-0x0000000007411000-memory.dmp

Filesize
4KB

Download
memory/1336-15-0x0000000007480000-0x0000000007481000-memory.dmp

Filesize
4KB

Download
memory/1336-16-0x0000000007D80000-0x0000000007D81000-memory.dmp

Filesize
4KB

Download
memory/1336-17-0x0000000008110000-0x0000000008111000-memory.dmp

Filesize
4KB

Download
memory/1336-18-0x0000000008510000-0x0000000008511000-memory.dmp

Filesize
4KB

Download
memory/1336-19-0x0000000008460000-0x0000000008461000-memory.dmp

Filesize
4KB

Download
memory/1336-20-0x0000000009450000-0x0000000009451000-memory.dmp

Filesize
4KB

Download
memory/1336-21-0x00000000090D0000-0x00000000090D1000-memory.dmp

Filesize
4KB

Download
memory/1336-22-0x0000000009150000-0x0000000009151000-memory.dmp

Filesize
4KB

Download
memory/1336-23-0x0000000009A00000-0x0000000009A01000-memory.dmp

Filesize
4KB

Download
memory/1336-10-0x0000000007650000-0x0000000007651000-memory.dmp

Filesize
4KB

Download
memory/1336-28-0x0000000007013000-0x0000000007014000-memory.dmp

Filesize
4KB

Download
memory/1336-9-0x00000000048F0000-0x00000000048F1000-memory.dmp

Filesize
4KB

Download
memory/1336-8-0x00000000737B0000-0x0000000073E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2428-25-0x0000000000000000-mapping.dmp

Download
memory/2428-29-0x0000000004F80000-0x0000000004F81000-memory.dmp

Filesize
4KB

Download
memory/2576-34-0x0000000000000000-mapping.dmp

Download
memory/2576-36-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-42-0x00000000080A0000-0x00000000080A1000-memory.dmp

Filesize
4KB

Download
memory/2576-43-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/2576-44-0x0000000004C72000-0x0000000004C73000-memory.dmp

Filesize
4KB

Download
memory/2576-47-0x00000000085B0000-0x00000000085B1000-memory.dmp

Filesize
4KB

Download
memory/2576-52-0x0000000004C73000-0x0000000004C74000-memory.dmp

Filesize
4KB

Download
memory/3108-2-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download
memory/3108-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3108-5-0x0000000004FB0000-0x0000000004FC8000-memory.dmp

Filesize
96KB

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