hawkeye | 9704d0420f573639eed3b1765ea5f212ba4c3129333f2efc167a1c0724935419

System Information Discovery

Processes:

Pictures.jpg.scr

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Pictures.jpg.scr
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Pictures.jpg.scr

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

Pictures.jpg.scr

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	Pictures.jpg.scr

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

47 whatismyipaddress.com
49 whatismyipaddress.com

flow	ioc
47	whatismyipaddress.com
49	whatismyipaddress.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

Processes:

Pictures.jpg.scr

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Pictures.jpg.scr
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Pictures.jpg.scr

Suspicious use of SetThreadContext 3 IoCs

Processes:

Pictures.jpg.scrMSBuild.exe

description	pid	process	target process
PID 3708 set thread context of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3476 set thread context of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 set thread context of 4980	3476	MSBuild.exe	vbc.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

876 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

vbc.exeMSBuild.exe

pid process

4980 vbc.exe
4980 vbc.exe
3476 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3476 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

3476 MSBuild.exe

pid	process
876	schtasks.exe

pid	process
4980	vbc.exe
4980	vbc.exe
3476	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3476	MSBuild.exe

pid	process
3476	MSBuild.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

Pictures.jpg.scrMSBuild.exe

description	pid	process	target process
PID 3708 wrote to memory of 876	3708	Pictures.jpg.scr	schtasks.exe
PID 3708 wrote to memory of 876	3708	Pictures.jpg.scr	schtasks.exe
PID 3708 wrote to memory of 876	3708	Pictures.jpg.scr	schtasks.exe
PID 3708 wrote to memory of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3708 wrote to memory of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3708 wrote to memory of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3708 wrote to memory of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3708 wrote to memory of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3708 wrote to memory of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3708 wrote to memory of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3708 wrote to memory of 3476	3708	Pictures.jpg.scr	MSBuild.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4520	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe
PID 3476 wrote to memory of 4980	3476	MSBuild.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\Pictures.jpg.scr
"C:\Users\Admin\AppData\Local\Temp\Pictures.jpg.scr" /S
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3708

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTbjPEGI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp239B.tmp"
2⤵
- Creates scheduled task(s)
PID:876

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3476

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
3⤵
- Accesses Microsoft Outlook accounts
PID:4520

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4980

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3912 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:3484

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

T1064

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Scripting

T1064

Credential Access

Discovery

Query Registry

5

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

4

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Email Collection