a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16

General

Target

a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe
Size

1.3MB
MD5

60e134b705a0467716c2c8846b0971d9
SHA1

db41d8e6c9b023509cb290f8d3f75853061fa246
SHA256

a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16
SHA512

ac2769691abfee85d6a23499b13c92652f7c1fce4c93c46d094a496d10f9906174aeb97956fbf1acddc90763109bc175ac30c90b5524413169962aa18746cb77
SSDEEP

24576:2aNleScW/QSWySa41v4+ySl5YFHhUPKJ18re4puV/Pg7MAICa:fvdLJ+Ll5mme155dC

Score

8^/10

persistence vmprotect

Malware Config

Signatures

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral2/memory/3552-132-0x0000000000400000-0x0000000000733000-memory.dmp	vmprotect
behavioral2/memory/3552-133-0x0000000000400000-0x0000000000733000-memory.dmp	vmprotect
behavioral2/memory/3552-135-0x0000000000400000-0x0000000000733000-memory.dmp	vmprotect
behavioral2/memory/3552-137-0x0000000000400000-0x0000000000733000-memory.dmp	vmprotect

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

msedge.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Drops file in Program Files directory 2 IoCs

Processes:

setup.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\c3b5ff9c-8e7c-4d32-ada9-1548067bcc98.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221123075219.pma	setup.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

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

Processes:

msedge.exe

description ioc process

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

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exemsedge.exemsedge.exeidentity_helper.exe

pid	process
3552	a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe
3552	a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe
4292	msedge.exe
4292	msedge.exe
2880	msedge.exe
2880	msedge.exe
2304	identity_helper.exe
2304	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

Processes:

msedge.exe

pid process

2880 msedge.exe
2880 msedge.exe
2880 msedge.exe
2880 msedge.exe
2880 msedge.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msedge.exe

pid process

2880 msedge.exe
2880 msedge.exe

pid	process
2880	msedge.exe
2880	msedge.exe
2880	msedge.exe
2880	msedge.exe
2880	msedge.exe

pid	process
2880	msedge.exe
2880	msedge.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe

pid	process
3552	a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe
3552	a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe
3552	a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe
3552	a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exemsedge.exe

description	pid	process	target process
PID 3552 wrote to memory of 2880	3552	a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe	msedge.exe
PID 3552 wrote to memory of 2880	3552	a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe	msedge.exe
PID 2880 wrote to memory of 3504	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3504	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 3292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 4292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 4292	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe
PID 2880 wrote to memory of 2968	2880	msedge.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe
"C:\Users\Admin\AppData\Local\Temp\a8ff40bcee6d5fd42732b1d296e5ffc65df5615e13d846cbe51faeea673f7b16.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3552

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://pan.baidu.com/s/1kTwXzNp
2⤵
- 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:2880

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,0x100,0x104,0xd8,0x108,0x7ffbcef446f8,0x7ffbcef44708,0x7ffbcef44718
3⤵
PID:3504

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,4130838149799902872,7437216048094608400,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:2
3⤵
PID:3292

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=2128,4130838149799902872,7437216048094608400,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2348 /prefetch:3
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4292

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=2128,4130838149799902872,7437216048094608400,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2604 /prefetch:8
3⤵
PID:2968

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,4130838149799902872,7437216048094608400,131072 --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=3344 /prefetch:1
3⤵
PID:2004

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,4130838149799902872,7437216048094608400,131072 --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=3352 /prefetch:1
3⤵
PID:1652

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=2128,4130838149799902872,7437216048094608400,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4652 /prefetch:8
3⤵
PID:176

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,4130838149799902872,7437216048094608400,131072 --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=5100 /prefetch:1
3⤵
PID:4228

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,4130838149799902872,7437216048094608400,131072 --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=5136 /prefetch:1
3⤵
PID:3912

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=2128,4130838149799902872,7437216048094608400,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3488 /prefetch:8
3⤵
PID:2312

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,4130838149799902872,7437216048094608400,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6352 /prefetch:1
3⤵
PID:4720

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=2128,4130838149799902872,7437216048094608400,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6360 /prefetch:8
3⤵
PID:1528

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
3⤵
- Drops file in Program Files directory
PID:3948

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=0x220,0x224,0x228,0x1fc,0x22c,0x7ff766595460,0x7ff766595470,0x7ff766595480
4⤵
PID:2392

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=2128,4130838149799902872,7437216048094608400,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6360 /prefetch:8
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2304

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2128,4130838149799902872,7437216048094608400,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6212 /prefetch:8
3⤵
PID:3352

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\??\pipe\LOCAL\crashpad_2880_MKDDUVUFCOBHNTZV
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/176-150-0x0000000000000000-mapping.dmp

Download
memory/1652-148-0x0000000000000000-mapping.dmp

Download
memory/2004-146-0x0000000000000000-mapping.dmp

Download
memory/2304-161-0x0000000000000000-mapping.dmp

Download
memory/2312-156-0x0000000000000000-mapping.dmp

Download
memory/2392-160-0x0000000000000000-mapping.dmp

Download
memory/2880-136-0x0000000000000000-mapping.dmp

Download
memory/2968-144-0x0000000000000000-mapping.dmp

Download
memory/3292-140-0x0000000000000000-mapping.dmp

Download
memory/3352-163-0x0000000000000000-mapping.dmp

Download
memory/3504-138-0x0000000000000000-mapping.dmp

Download
memory/3552-135-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/3552-132-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/3552-137-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/3552-133-0x0000000000400000-0x0000000000733000-memory.dmp

Filesize
3.2MB

Download
memory/3912-154-0x0000000000000000-mapping.dmp

Download
memory/3948-159-0x0000000000000000-mapping.dmp

Download
memory/4228-152-0x0000000000000000-mapping.dmp

Download
memory/4292-141-0x0000000000000000-mapping.dmp

Download
memory/4720-158-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads