7bac37fc53a996e2c7f6e2a8c4d4487e76226f513ca7a4ecf2feceef500e915b

Analysis

max time kernel
91s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2023, 21:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dsound.dll
Size

89KB
MD5

73e2e1a9d20821cc529207d5e37a0e38
SHA1

bac9ca3e35d6faa4a92e30fbadd45423b2c89646
SHA256

7bac37fc53a996e2c7f6e2a8c4d4487e76226f513ca7a4ecf2feceef500e915b
SHA512

f018cff1a4006faa0b99f102e6f06df772620c08db11820c79db8c654f1c7f6e118750cdab33cca86a4803212688dbe3d8df6172a4fe62e618dba344087dc0db
SSDEEP

1536:mqqJ3QdLPEVCxcyBXyklV8WlFYrwH0dR/GOi7aQkUs8ZZ0b4la89lvsI9:c3mLQyVyc8WlFYrwH0dR/GOi7aQkd8f9

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\21a2260c-4674-4bff-9318-b55a3ce30050.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20230202225424.pma	setup.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4592	msedge.exe
4592	msedge.exe
3916	msedge.exe
3916	msedge.exe
4744	identity_helper.exe
4744	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
3916	msedge.exe
3916	msedge.exe
3916	msedge.exe
3916	msedge.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3916	msedge.exe
3916	msedge.exe
3916	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 3804	4460	rundll32.exe	80
PID 4460 wrote to memory of 3804	4460	rundll32.exe	80
PID 4460 wrote to memory of 3804	4460	rundll32.exe	80
PID 3916 wrote to memory of 2788	3916	msedge.exe	91
PID 3916 wrote to memory of 2788	3916	msedge.exe	91
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 2880	3916	msedge.exe	94
PID 3916 wrote to memory of 4592	3916	msedge.exe	95
PID 3916 wrote to memory of 4592	3916	msedge.exe	95
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97
PID 3916 wrote to memory of 3092	3916	msedge.exe	97

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dsound.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dsound.dll,#1
  2⤵
  PID:3804

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\WaitOpen.html
1⤵
- Adds Run key to start application
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3916
- 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=0x100,0x104,0x108,0xdc,0x10c,0x7fff53da46f8,0x7fff53da4708,0x7fff53da4718
  2⤵
  PID:2788
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,1753929138587703813,3212303153346170324,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
  2⤵
  PID:2880
- 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=2100,1753929138587703813,3212303153346170324,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2384 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4592
- 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=2100,1753929138587703813,3212303153346170324,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2672 /prefetch:8
  2⤵
  PID:3092
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,1753929138587703813,3212303153346170324,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3368 /prefetch:1
  2⤵
  PID:1812
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,1753929138587703813,3212303153346170324,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3384 /prefetch:1
  2⤵
  PID:4280
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2100,1753929138587703813,3212303153346170324,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5320 /prefetch:8
  2⤵
  PID:4428
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,1753929138587703813,3212303153346170324,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5696 /prefetch:1
  2⤵
  PID:3812
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,1753929138587703813,3212303153346170324,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5724 /prefetch:1
  2⤵
  PID:4552
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2100,1753929138587703813,3212303153346170324,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3532 /prefetch:8
  2⤵
  PID:4444
- 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=2100,1753929138587703813,3212303153346170324,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6400 /prefetch:8
  2⤵
  PID:1876
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
  2⤵
  - Drops file in Program Files directory
  PID:2004
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff644e75460,0x7ff644e75470,0x7ff644e75480
    3⤵
    PID:5092
- 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=2100,1753929138587703813,3212303153346170324,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6400 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads