diamondfox | 11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
22-02-2022 18:10

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General

Target

11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
Size

635KB
MD5

fadbbacbf1800d075f59c6128a521229
SHA1

33e59cc481259ec3af5001edc5921b338f410a9a
SHA256

11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028
SHA512

97d52b3a0ce933b63dbab6830be67b35a1cd017e17beee794c3100f39ba19b516d1b59fca07b19ee1941a374c44c6fe590fa93deabe84d314bae4ae51840b3b2

Score

10^/10

diamondfox botnet stealer

Malware Config

Signatures

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

DiamondFox payload 4 IoCs

Detects DiamondFox payload in file/memory.

resource	yara_rule
behavioral2/memory/2580-137-0x0000000000400000-0x0000000000436000-memory.dmp	diamondfox
behavioral2/memory/2580-139-0x0000000000400000-0x0000000000436000-memory.dmp	diamondfox
behavioral2/memory/804-176-0x0000000000400000-0x0000000000436000-memory.dmp	diamondfox
behavioral2/memory/804-177-0x0000000000400000-0x0000000000436000-memory.dmp	diamondfox

Executes dropped EXE 3 IoCs

pid	Process
4528	MicrosoftEdgeCPS.exe
804	MicrosoftEdgeCPS.exe
3528	MicrosoftEdgeCPS.exe

Checks computer location settings 2 TTPs 4 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	MicrosoftEdgeCPS.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	WScript.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1392 set thread context of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 4528 set thread context of 804	4528	MicrosoftEdgeCPS.exe	111

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings	MicrosoftEdgeCPS.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
4212	powershell.exe
4212	powershell.exe
4628	powershell.exe
4628	powershell.exe
4528	MicrosoftEdgeCPS.exe
4528	MicrosoftEdgeCPS.exe
4128	powershell.exe
4128	powershell.exe
1240	powershell.exe
1240	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
Token: SeDebugPrivilege	4212	powershell.exe
Token: SeDebugPrivilege	4628	powershell.exe
Token: SeDebugPrivilege	4528	MicrosoftEdgeCPS.exe
Token: SeDebugPrivilege	4128	powershell.exe
Token: SeDebugPrivilege	1240	powershell.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 1520	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	97
PID 1392 wrote to memory of 1520	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	97
PID 1392 wrote to memory of 1520	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	97
PID 1392 wrote to memory of 2476	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	98
PID 1392 wrote to memory of 2476	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	98
PID 1392 wrote to memory of 2476	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	98
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1392 wrote to memory of 2580	1392	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	99
PID 1520 wrote to memory of 4212	1520	WScript.exe	100
PID 1520 wrote to memory of 4212	1520	WScript.exe	100
PID 1520 wrote to memory of 4212	1520	WScript.exe	100
PID 2580 wrote to memory of 4528	2580	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	102
PID 2580 wrote to memory of 4528	2580	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	102
PID 2580 wrote to memory of 4528	2580	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	102
PID 2580 wrote to memory of 4628	2580	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	103
PID 2580 wrote to memory of 4628	2580	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	103
PID 2580 wrote to memory of 4628	2580	11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe	103
PID 4528 wrote to memory of 4296	4528	MicrosoftEdgeCPS.exe	110
PID 4528 wrote to memory of 4296	4528	MicrosoftEdgeCPS.exe	110
PID 4528 wrote to memory of 4296	4528	MicrosoftEdgeCPS.exe	110
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4528 wrote to memory of 804	4528	MicrosoftEdgeCPS.exe	111
PID 4296 wrote to memory of 4128	4296	WScript.exe	113
PID 4296 wrote to memory of 4128	4296	WScript.exe	113
PID 4296 wrote to memory of 4128	4296	WScript.exe	113
PID 804 wrote to memory of 3528	804	MicrosoftEdgeCPS.exe	114
PID 804 wrote to memory of 3528	804	MicrosoftEdgeCPS.exe	114
PID 804 wrote to memory of 3528	804	MicrosoftEdgeCPS.exe	114
PID 804 wrote to memory of 1240	804	MicrosoftEdgeCPS.exe	115
PID 804 wrote to memory of 1240	804	MicrosoftEdgeCPS.exe	115
PID 804 wrote to memory of 1240	804	MicrosoftEdgeCPS.exe	115

C:\Users\Admin\AppData\Local\Temp\11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
"C:\Users\Admin\AppData\Local\Temp\11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Pmasbqhutvl.vbs"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\firefox\firefox.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4212
- C:\Users\Admin\AppData\Local\Temp\11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
  C:\Users\Admin\AppData\Local\Temp\11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
  2⤵
  PID:2476
- C:\Users\Admin\AppData\Local\Temp\11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
  C:\Users\Admin\AppData\Local\Temp\11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
    "C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4528
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Pmasbqhutvl.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:4296
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\firefox\firefox.exe'
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4128
  - - C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeCPS.exe
      C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeCPS.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:804
    - - C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe
        
        "C:\Users\Admin\AppData\Roaming\EdgeCP\MicrosoftEdgeCPS.exe"
        5⤵
        Executes dropped EXE
        
        PID:3528
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" Start-Sleep -s 10; Remove-Item -Path 'C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeCPS.exe' -Force -Recurse
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1240
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Start-Sleep -s 10; Remove-Item -Path 'C:\Users\Admin\AppData\Local\Temp\11bb3a2ce35c541f895c207f6c324ba08e87e54a0fe543451b96663284524028.exe' -Force -Recurse
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/804-176-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/804-177-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1240-195-0x0000000004E55000-0x0000000004E57000-memory.dmp

Filesize
8KB

Download
memory/1240-193-0x0000000004E52000-0x0000000004E53000-memory.dmp

Filesize
4KB

Download
memory/1240-192-0x0000000004E50000-0x0000000004E51000-memory.dmp

Filesize
4KB

Download
memory/1240-191-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/1392-130-0x0000000000890000-0x0000000000936000-memory.dmp

Filesize
664KB

Download
memory/1392-132-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/1392-131-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/1392-133-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/1392-134-0x0000000005300000-0x000000000530A000-memory.dmp

Filesize
40KB

Download
memory/1392-135-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/2580-139-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2580-137-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3528-189-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/3528-190-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/4128-179-0x00000000045D0000-0x00000000045D1000-memory.dmp

Filesize
4KB

Download
memory/4128-178-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/4128-180-0x00000000045D2000-0x00000000045D3000-memory.dmp

Filesize
4KB

Download
memory/4128-182-0x00000000045D5000-0x00000000045D7000-memory.dmp

Filesize
8KB

Download
memory/4128-183-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

Filesize
304KB

Download
memory/4128-184-0x000000007EFF0000-0x000000007EFF1000-memory.dmp

Filesize
4KB

Download
memory/4212-146-0x00000000062E0000-0x0000000006346000-memory.dmp

Filesize
408KB

Download
memory/4212-156-0x000000007FB00000-0x000000007FB01000-memory.dmp

Filesize
4KB

Download
memory/4212-167-0x0000000007F70000-0x0000000007F78000-memory.dmp

Filesize
32KB

Download
memory/4212-166-0x0000000007F80000-0x0000000007F9A000-memory.dmp

Filesize
104KB

Download
memory/4212-165-0x0000000007E80000-0x0000000007E8E000-memory.dmp

Filesize
56KB

Download
memory/4212-138-0x0000000003050000-0x0000000003086000-memory.dmp

Filesize
216KB

Download
memory/4212-163-0x0000000007EC0000-0x0000000007F56000-memory.dmp

Filesize
600KB

Download
memory/4212-162-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

Filesize
40KB

Download
memory/4212-140-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/4212-141-0x00000000030A0000-0x00000000030A1000-memory.dmp

Filesize
4KB

Download
memory/4212-142-0x00000000030A2000-0x00000000030A3000-memory.dmp

Filesize
4KB

Download
memory/4212-143-0x0000000005AC0000-0x00000000060E8000-memory.dmp

Filesize
6.2MB

Download
memory/4212-144-0x0000000005870000-0x0000000005892000-memory.dmp

Filesize
136KB

Download
memory/4212-145-0x0000000005A20000-0x0000000005A86000-memory.dmp

Filesize
408KB

Download
memory/4212-155-0x0000000007C40000-0x0000000007C5A000-memory.dmp

Filesize
104KB

Download
memory/4212-154-0x0000000008280000-0x00000000088FA000-memory.dmp

Filesize
6.5MB

Download
memory/4212-151-0x0000000006EE0000-0x0000000006EFE000-memory.dmp

Filesize
120KB

Download
memory/4212-150-0x0000000070A80000-0x0000000070ACC000-memory.dmp

Filesize
304KB

Download
memory/4212-149-0x0000000006F00000-0x0000000006F32000-memory.dmp

Filesize
200KB

Download
memory/4212-148-0x00000000030A5000-0x00000000030A7000-memory.dmp

Filesize
8KB

Download
memory/4212-147-0x0000000006940000-0x000000000695E000-memory.dmp

Filesize
120KB

Download
memory/4528-157-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/4528-158-0x0000000005590000-0x0000000005591000-memory.dmp

Filesize
4KB

Download
memory/4628-168-0x0000000006C00000-0x0000000006C22000-memory.dmp

Filesize
136KB

Download
memory/4628-159-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/4628-160-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/4628-161-0x0000000005162000-0x0000000005163000-memory.dmp

Filesize
4KB

Download
memory/4628-164-0x0000000005165000-0x0000000005167000-memory.dmp

Filesize
8KB

Download