bf74bb4fe1c3fc2b765fe724d28ee861484a51003af6a145a79e7c84044fbffb

General

Target

onetap v3.exe
Size

7.2MB
MD5

103e516c943ad845c789ea01c751ec06
SHA1

949d2e33507a0096e889a8f14f743f717862d925
SHA256

5af08c95cdab3ec15519685b4a5d543ab5bff7ac9fdc6d5fc54de2f32fdc0914
SHA512

56c2ae4e264bbb2d41d07e8fddeae07d16b5a074d6c1ca1ec2e4ce58642de9541f24740904f83486bb28ea4043cf8c32f21974ad98fad981baa68ed830e2c05f
SSDEEP

196608:HsGgBjriZeOm0+qvG1eRi7U7g2iFoIHcsvNvK:J6jrOA0trklA

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral4/memory/4860-132-0x0000000000400000-0x0000000000FEE000-memory.dmp	upx
behavioral4/memory/4860-151-0x0000000000400000-0x0000000000FEE000-memory.dmp	upx
behavioral4/memory/4860-165-0x0000000000400000-0x0000000000FEE000-memory.dmp	upx

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\e4d695cd-1d5a-4332-98f5-473c3acbcf87.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20230128125549.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 2 IoCs

Processes:

msedge.exeonetap v3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	onetap v3.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exeonetap v3.exe

pid process

4992 msedge.exe
4992 msedge.exe
4388 msedge.exe
4388 msedge.exe
2884 identity_helper.exe
2884 identity_helper.exe
4860 onetap v3.exe
4860 onetap v3.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

Processes:

msedge.exe

pid process

4388 msedge.exe
4388 msedge.exe
4388 msedge.exe
4388 msedge.exe
4388 msedge.exe
4388 msedge.exe
4388 msedge.exe
4388 msedge.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

msedge.exe

pid process

4388 msedge.exe
4388 msedge.exe
4388 msedge.exe
4388 msedge.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

onetap v3.exeOpenWith.exe

pid process

4860 onetap v3.exe
4860 onetap v3.exe
4840 OpenWith.exe

pid	process
4992	msedge.exe
4992	msedge.exe
4388	msedge.exe
4388	msedge.exe
2884	identity_helper.exe
2884	identity_helper.exe
4860	onetap v3.exe
4860	onetap v3.exe

pid	process
4388	msedge.exe
4388	msedge.exe
4388	msedge.exe
4388	msedge.exe
4388	msedge.exe
4388	msedge.exe
4388	msedge.exe
4388	msedge.exe

pid	process
4388	msedge.exe
4388	msedge.exe
4388	msedge.exe
4388	msedge.exe

pid	process
4860	onetap v3.exe
4860	onetap v3.exe
4840	OpenWith.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

onetap v3.exemsedge.exe

description	pid	process	target process
PID 4860 wrote to memory of 4388	4860	onetap v3.exe	msedge.exe
PID 4860 wrote to memory of 4388	4860	onetap v3.exe	msedge.exe
PID 4388 wrote to memory of 2164	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 2164	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 548	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4992	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4992	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe
PID 4388 wrote to memory of 4308	4388	msedge.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\onetap v3.exe
"C:\Users\Admin\AppData\Local\Temp\onetap v3.exe"
1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4860

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://wuyong.fun/
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:4388

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=0xd4,0xfc,0x100,0xd8,0x104,0x7ffb81e846f8,0x7ffb81e84708,0x7ffb81e84718
3⤵
PID:2164

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2104 /prefetch:2
3⤵
PID:548

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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /prefetch:3
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4992

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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
3⤵
PID:4308

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --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=3700 /prefetch:1
3⤵
PID:4048

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --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=3712 /prefetch:1
3⤵
PID:5080

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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5452 /prefetch:8
3⤵
PID:2776

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --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=5596 /prefetch:1
3⤵
PID:4608

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5400 /prefetch:1
3⤵
PID:2900

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6076 /prefetch:1
3⤵
PID:2400

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --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=6120 /prefetch:1
3⤵
PID:1876

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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6772 /prefetch:8
3⤵
PID:3380

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6880 /prefetch:1
3⤵
PID:2604

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,13948940056434619373,736106469269503589,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6892 /prefetch:1
3⤵
PID:716

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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5780 /prefetch:8
3⤵
PID:4592

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:1388

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=0x220,0x224,0x228,0x200,0x22c,0x7ff673875460,0x7ff673875470,0x7ff673875480
4⤵
PID:1348

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=2088,13948940056434619373,736106469269503589,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5780 /prefetch:8
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2884

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:996

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:4840

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

Replay Monitor

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Downloads

\??\pipe\LOCAL\crashpad_4388_WQFMJNRYFNYNGNPE
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/548-136-0x0000000000000000-mapping.dmp

Download
memory/716-161-0x0000000000000000-mapping.dmp

Download
memory/1348-163-0x0000000000000000-mapping.dmp

Download
memory/1388-162-0x0000000000000000-mapping.dmp

Download
memory/1876-155-0x0000000000000000-mapping.dmp

Download
memory/2164-134-0x0000000000000000-mapping.dmp

Download
memory/2400-153-0x0000000000000000-mapping.dmp

Download
memory/2604-159-0x0000000000000000-mapping.dmp

Download
memory/2776-146-0x0000000000000000-mapping.dmp

Download
memory/2884-164-0x0000000000000000-mapping.dmp

Download
memory/2900-150-0x0000000000000000-mapping.dmp

Download
memory/3380-157-0x0000000000000000-mapping.dmp

Download
memory/4048-142-0x0000000000000000-mapping.dmp

Download
memory/4308-140-0x0000000000000000-mapping.dmp

Download
memory/4388-133-0x0000000000000000-mapping.dmp

Download
memory/4608-148-0x0000000000000000-mapping.dmp

Download
memory/4860-151-0x0000000000400000-0x0000000000FEE000-memory.dmp

Filesize
11.9MB

Download
memory/4860-132-0x0000000000400000-0x0000000000FEE000-memory.dmp

Filesize
11.9MB

Download
memory/4860-165-0x0000000000400000-0x0000000000FEE000-memory.dmp

Filesize
11.9MB

Download
memory/4992-137-0x0000000000000000-mapping.dmp

Download
memory/5080-144-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads