mercurialgrabber | hxxps://github[.]com/xsplitst/RGF

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	RBF.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools	RBF.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	RBF.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
84	discord.com
85	discord.com
88	discord.com

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
80	ip4.seeip.org
81	ip4.seeip.org
82	ip-api.com

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RBF.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	RBF.exe

Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	RBF.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	RBF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RBF.exe

Enumerates system info in registry 2 TTPs 7 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	RBF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	RBF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	RBF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	RBF.exe

Modifies registry class 13 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\Local Settings	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\.py\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\ダ涳ᄀ谀耎	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\py_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\py_auto_file	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\.py	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\ダ涳ᄀ谀耎\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\py_auto_file\shell\edit	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\py_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\py_auto_file\shell\edit\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\py_auto_file\shell\open	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\py_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\py_auto_file\shell\open\command	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1292	msedge.exe
1292	msedge.exe
1508	msedge.exe
1508	msedge.exe
1624	identity_helper.exe
1624	identity_helper.exe
3284	msedge.exe
3284	msedge.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5868	OpenWith.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	RBF.exe

Suspicious use of FindShellTrayWindow 33 IoCs

pid	Process
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe
1508	msedge.exe

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe
5868	OpenWith.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2864	1508	msedge.exe	85
PID 1508 wrote to memory of 2864	1508	msedge.exe	85
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 2084	1508	msedge.exe	86
PID 1508 wrote to memory of 1292	1508	msedge.exe	87
PID 1508 wrote to memory of 1292	1508	msedge.exe	87
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88
PID 1508 wrote to memory of 4864	1508	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/xsplitst/RGF
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff268146f8,0x7fff26814708,0x7fff26814718
  2⤵
  PID:2864
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
  2⤵
  PID:2084
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2240 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1292
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2900 /prefetch:8
  2⤵
  PID:4864
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3288 /prefetch:1
  2⤵
  PID:2016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3376 /prefetch:1
  2⤵
  PID:2620
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5568 /prefetch:8
  2⤵
  PID:1492
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5568 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1624
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5208 /prefetch:8
  2⤵
  PID:2480
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5720 /prefetch:1
  2⤵
  PID:1460
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5252 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3284
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6104 /prefetch:1
  2⤵
  PID:3672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4844 /prefetch:1
  2⤵
  PID:4908
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,15320936618077889083,2949632846477050921,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5632 /prefetch:1
  2⤵
  PID:1504

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2812

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2984

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2016

C:\Users\Admin\Downloads\RGF-main\RGF-main\RBF.exe
"C:\Users\Admin\Downloads\RGF-main\RGF-main\RBF.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2716

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\RGF-main\RGF-main\Input\RoBrute-master\requirements.txt
1⤵
PID:5700

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:5868
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\RGF-main\RGF-main\Input\RoBrute-master\RoBrute.py
  2⤵
  PID:6140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion