mercurialgrabber | hxxps://github[.]com/XX4s/Mercurial-Grabber/blob/main/Mercurial%20Grabber[.]rar

Virtualization/Sandbox Evasion

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

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

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

Executes dropped EXE 1 IoCs

pid	Process
5912	Mercurial Grabber.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
54	raw.githubusercontent.com
55	raw.githubusercontent.com
85	discord.com
86	discord.com
88	discord.com

Looks up external IP address via web service 2 IoCs

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

flow	ioc
68	ip4.seeip.org
83	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	Mercurial Grabber.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Mercurial Grabber.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	Mercurial Grabber.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	Mercurial Grabber.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Mercurial Grabber.exe

Enumerates system info in registry 2 TTPs 7 IoCs

Query Registry

System Information Discovery

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000_Classes\Local Settings	msedge.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1332	msedge.exe
1332	msedge.exe
2372	msedge.exe
2372	msedge.exe
400	identity_helper.exe
400	identity_helper.exe
1968	msedge.exe
1968	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	5848	7zG.exe
Token: 35	5848	7zG.exe
Token: SeSecurityPrivilege	5848	7zG.exe
Token: SeSecurityPrivilege	5848	7zG.exe
Token: SeDebugPrivilege	5912	Mercurial Grabber.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
5848	7zG.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe
2372	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1568	2372	msedge.exe	86
PID 2372 wrote to memory of 1568	2372	msedge.exe	86
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 4316	2372	msedge.exe	88
PID 2372 wrote to memory of 1332	2372	msedge.exe	89
PID 2372 wrote to memory of 1332	2372	msedge.exe	89
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90
PID 2372 wrote to memory of 4672	2372	msedge.exe	90

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://github.com/XX4s/Mercurial-Grabber/blob/main/Mercurial%20Grabber.rar
1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2372
- 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,0x100,0x104,0xd8,0x108,0x7ffa8cbd46f8,0x7ffa8cbd4708,0x7ffa8cbd4718
  2⤵
  PID:1568
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,5342660318190130594,15383542019014924671,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2092 /prefetch:2
  2⤵
  PID:4316
- 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=2076,5342660318190130594,15383542019014924671,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1332
- 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=2076,5342660318190130594,15383542019014924671,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2816 /prefetch:8
  2⤵
  PID:4672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5342660318190130594,15383542019014924671,131072 --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=3308 /prefetch:1
  2⤵
  PID:2820
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5342660318190130594,15383542019014924671,131072 --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=3328 /prefetch:1
  2⤵
  PID:4160
- 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=2076,5342660318190130594,15383542019014924671,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5344 /prefetch:8
  2⤵
  PID:1104
- 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=2076,5342660318190130594,15383542019014924671,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5344 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:400
- 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=2076,5342660318190130594,15383542019014924671,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5064 /prefetch:8
  2⤵
  PID:5004
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5342660318190130594,15383542019014924671,131072 --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=5568 /prefetch:1
  2⤵
  PID:4628
- 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=2076,5342660318190130594,15383542019014924671,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5424 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1968
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5342660318190130594,15383542019014924671,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5820 /prefetch:1
  2⤵
  PID:5136
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5342660318190130594,15383542019014924671,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5392 /prefetch:1
  2⤵
  PID:5148
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5342660318190130594,15383542019014924671,131072 --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=5812 /prefetch:1
  2⤵
  PID:5348
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5342660318190130594,15383542019014924671,131072 --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=5844 /prefetch:1
  2⤵
  PID:5356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2472

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1308

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5732

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\Mercurial Grabber\" -spe -an -ai#7zMap2673:96:7zEvent29458
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5848

C:\Users\Admin\Downloads\Mercurial Grabber\Mercurial Grabber.exe
"C:\Users\Admin\Downloads\Mercurial Grabber\Mercurial Grabber.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Executes dropped EXE
- 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:5912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion