diamondfox | 63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a

Analysis

max time kernel
146s
max time network
140s
platform
windows7_x64
resource
win7v20201028
submitted
19/01/2021, 18:09

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General

Target

63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe
Size

579KB
MD5

de4b296cb2891bd1c3ed085ed648a62d
SHA1

73aaa5d6869bd25abb78ba5beb27ec8c5ee71e57
SHA256

63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a
SHA512

122402092f03e9ee35ad0fa5128e4d50795894790f088918d0ca3f6e128d85c8b6b7f64eaecdf6d66b2a8d41f921a1446056129d7b9eb28822afb8eacb20d453

Score

10^/10

diamondfox botnet spyware 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.

resource	yara_rule
behavioral1/memory/1604-5-0x0000000000400000-0x0000000000470000-memory.dmp	diamondfox

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/988-92-0x0000000000400000-0x0000000000477000-memory.dmp	WebBrowserPassView
behavioral1/memory/988-93-0x0000000000447D8A-mapping.dmp	WebBrowserPassView
behavioral1/memory/988-97-0x0000000000400000-0x0000000000477000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

resource	yara_rule
behavioral1/memory/988-92-0x0000000000400000-0x0000000000477000-memory.dmp	Nirsoft
behavioral1/memory/988-93-0x0000000000447D8A-mapping.dmp	Nirsoft
behavioral1/memory/988-97-0x0000000000400000-0x0000000000477000-memory.dmp	Nirsoft
behavioral1/memory/2024-100-0x0000000000400000-0x0000000000422000-memory.dmp	Nirsoft
behavioral1/memory/2024-101-0x0000000000413E10-mapping.dmp	Nirsoft
behavioral1/memory/2024-104-0x0000000000400000-0x0000000000422000-memory.dmp	Nirsoft

Executes dropped EXE 3 IoCs

pid	Process
864	audiodg.exe
988	audiodg.exe
2024	audiodg.exe

Drops startup file 1 IoCs

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

Loads dropped DLL 5 IoCs

pid	Process
316	powershell.exe
316	powershell.exe
812	powershell.exe
864	audiodg.exe
864	audiodg.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 864 set thread context of 988	864	audiodg.exe	38
PID 864 set thread context of 2024	864	audiodg.exe	40

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	audiodg.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	audiodg.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
316	powershell.exe
316	powershell.exe
812	powershell.exe
812	powershell.exe
656	Powershell.exe
656	Powershell.exe
988	audiodg.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	316	powershell.exe
Token: SeDebugPrivilege	812	powershell.exe
Token: SeDebugPrivilege	656	Powershell.exe
Token: SeDebugPrivilege	2024	audiodg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1604	63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe
864	audiodg.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 316	1604	63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe	29
PID 1604 wrote to memory of 316	1604	63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe	29
PID 1604 wrote to memory of 316	1604	63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe	29
PID 1604 wrote to memory of 316	1604	63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe	29
PID 316 wrote to memory of 864	316	powershell.exe	31
PID 316 wrote to memory of 864	316	powershell.exe	31
PID 316 wrote to memory of 864	316	powershell.exe	31
PID 316 wrote to memory of 864	316	powershell.exe	31
PID 864 wrote to memory of 812	864	audiodg.exe	32
PID 864 wrote to memory of 812	864	audiodg.exe	32
PID 864 wrote to memory of 812	864	audiodg.exe	32
PID 864 wrote to memory of 812	864	audiodg.exe	32
PID 864 wrote to memory of 656	864	audiodg.exe	35
PID 864 wrote to memory of 656	864	audiodg.exe	35
PID 864 wrote to memory of 656	864	audiodg.exe	35
PID 864 wrote to memory of 656	864	audiodg.exe	35
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 988	864	audiodg.exe	38
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40
PID 864 wrote to memory of 2024	864	audiodg.exe	40

C:\Users\Admin\AppData\Local\Temp\63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe
"C:\Users\Admin\AppData\Local\Temp\63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\63dac056d672b1987462b41f44987cb470e5b94fd528e521040e98c70de2732a.exe' -Destination 'C:\Users\Admin\AppData\Local\gadoiud\audiodg.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\gadoiud\audiodg.exe'
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:316
- - C:\Users\Admin\AppData\Local\gadoiud\audiodg.exe
    "C:\Users\Admin\AppData\Local\gadoiud\audiodg.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Modifies system certificate store
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:864
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell $shell = New-Object -ComObject WScript.Shell;$shortcut = $shell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\audiodg.lnk');$shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\gadoiud\audiodg.exe';$shortcut.Save()
      4⤵
      Drops startup file
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:812
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      Powershell Set-MpPreference -DisableRealtimeMonitoring 1
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:656
  - - C:\Users\Admin\AppData\Local\gadoiud\audiodg.exe
      /scomma C:\Users\Admin\AppData\Local\gadoiud\1.log
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:988
  - - C:\Users\Admin\AppData\Local\gadoiud\audiodg.exe
      /scomma C:\Users\Admin\AppData\Local\gadoiud\2.log
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/316-32-0x00000000064F0000-0x00000000064F1000-memory.dmp

Filesize
4KB

Download
memory/316-10-0x00000000047C0000-0x00000000047C1000-memory.dmp

Filesize
4KB

Download
memory/316-7-0x0000000076341000-0x0000000076343000-memory.dmp

Filesize
8KB

Download
memory/316-8-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/316-9-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/316-11-0x00000000012E0000-0x00000000012E1000-memory.dmp

Filesize
4KB

Download
memory/316-12-0x00000000012E2000-0x00000000012E3000-memory.dmp

Filesize
4KB

Download
memory/316-13-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download
memory/316-14-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/316-17-0x0000000005FF0000-0x0000000005FF1000-memory.dmp

Filesize
4KB

Download
memory/316-22-0x0000000006040000-0x0000000006041000-memory.dmp

Filesize
4KB

Download
memory/316-31-0x00000000061C0000-0x00000000061C1000-memory.dmp

Filesize
4KB

Download
memory/316-24-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/316-23-0x0000000006260000-0x0000000006261000-memory.dmp

Filesize
4KB

Download
memory/656-69-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/656-90-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/656-89-0x0000000006250000-0x0000000006251000-memory.dmp

Filesize
4KB

Download
memory/656-88-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/656-76-0x0000000006120000-0x0000000006121000-memory.dmp

Filesize
4KB

Download
memory/656-73-0x00000000060F0000-0x00000000060F1000-memory.dmp

Filesize
4KB

Download
memory/656-72-0x0000000005380000-0x0000000005381000-memory.dmp

Filesize
4KB

Download
memory/656-71-0x0000000004700000-0x0000000004701000-memory.dmp

Filesize
4KB

Download
memory/656-66-0x0000000073160000-0x000000007384E000-memory.dmp

Filesize
6.9MB

Download
memory/656-67-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/656-68-0x00000000047C0000-0x00000000047C1000-memory.dmp

Filesize
4KB

Download
memory/656-70-0x0000000002462000-0x0000000002463000-memory.dmp

Filesize
4KB

Download
memory/812-45-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/812-47-0x0000000001180000-0x0000000001181000-memory.dmp

Filesize
4KB

Download
memory/812-48-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/812-60-0x0000000006100000-0x0000000006101000-memory.dmp

Filesize
4KB

Download
memory/812-49-0x00000000048E0000-0x00000000048E1000-memory.dmp

Filesize
4KB

Download
memory/812-50-0x00000000048E2000-0x00000000048E3000-memory.dmp

Filesize
4KB

Download
memory/812-46-0x0000000004920000-0x0000000004921000-memory.dmp

Filesize
4KB

Download
memory/812-44-0x0000000073850000-0x0000000073F3E000-memory.dmp

Filesize
6.9MB

Download
memory/864-39-0x0000000000220000-0x0000000000290000-memory.dmp

Filesize
448KB

Download
memory/988-92-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/988-97-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1080-96-0x000007FEF6840000-0x000007FEF6ABA000-memory.dmp

Filesize
2.5MB

Download
memory/1604-2-0x0000000000280000-0x00000000002F0000-memory.dmp

Filesize
448KB

Download
memory/1604-5-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2024-100-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2024-104-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download