b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff

Analysis

max time kernel
152s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2022, 15:41

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General

Target

b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff.exe
Size

169KB
MD5

a11811d952b40671f68aeb0959f811d3
SHA1

5434f6ccde46d1f47a96e7ee917790f021161b25
SHA256

b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff
SHA512

dbf0cd81d6b4414df7db2668fa0568aceae7ea5c3df72311858d37103d4a3bc55acf97eae135343d18eb7ff46231c80e1e51be6ca1dc119fccf3fba906f8d1d3
SSDEEP

1536:E6/o7ZQsDaytkjHXdZ50Bykaaaaacaaaaaf2CtFzTOxLuLMAr+sXTUhGJSg:E6QesDaTjbICbfyuo8HDUh8l

Score

6^/10

microsoft persistence phishing

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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Detected potential entity reuse from brand microsoft.
phishing microsoft

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\c9776545-9ff0-4eb1-a77b-4ec4e5bf9ae3.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221019193019.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	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 10 IoCs

pid	Process
3924	msedge.exe
3924	msedge.exe
3056	msedge.exe
3056	msedge.exe
3912	identity_helper.exe
3912	identity_helper.exe
1104	msedge.exe
1104	msedge.exe
1104	msedge.exe
1104	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
3056	msedge.exe
3056	msedge.exe
3056	msedge.exe
3056	msedge.exe
3056	msedge.exe
3056	msedge.exe
3056	msedge.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3056	msedge.exe
3056	msedge.exe
3056	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 3056	4880	b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff.exe	84
PID 4880 wrote to memory of 3056	4880	b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff.exe	84
PID 3056 wrote to memory of 1056	3056	msedge.exe	85
PID 3056 wrote to memory of 1056	3056	msedge.exe	85
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3628	3056	msedge.exe	88
PID 3056 wrote to memory of 3924	3056	msedge.exe	89
PID 3056 wrote to memory of 3924	3056	msedge.exe	89
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90
PID 3056 wrote to memory of 2680	3056	msedge.exe	90

C:\Users\Admin\AppData\Local\Temp\b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff.exe
"C:\Users\Admin\AppData\Local\Temp\b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
  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:3056
- - 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=0xd8,0xfc,0x100,0xb0,0x104,0x7ffed0ab46f8,0x7ffed0ab4708,0x7ffed0ab4718
    3⤵
    PID:1056
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,5570741487475839535,1461988904943826586,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2204 /prefetch:2
    3⤵
    PID:3628
- - 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=2152,5570741487475839535,1461988904943826586,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2280 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3924
- - 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=2152,5570741487475839535,1461988904943826586,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
    3⤵
    PID:2680
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,5570741487475839535,1461988904943826586,131072 --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=3712 /prefetch:1
    3⤵
    PID:3768
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,5570741487475839535,1461988904943826586,131072 --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=3724 /prefetch:1
    3⤵
    PID:532
- - 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=2152,5570741487475839535,1461988904943826586,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5492 /prefetch:8
    3⤵
    PID:4704
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,5570741487475839535,1461988904943826586,131072 --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=5316 /prefetch:1
    3⤵
    PID:4080
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,5570741487475839535,1461988904943826586,131072 --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=5708 /prefetch:1
    3⤵
    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=2152,5570741487475839535,1461988904943826586,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5724 /prefetch:1
    3⤵
    PID:4008
- - 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=2152,5570741487475839535,1461988904943826586,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5856 /prefetch:8
    3⤵
    PID:444
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,5570741487475839535,1461988904943826586,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6060 /prefetch:1
    3⤵
    PID:1532
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,5570741487475839535,1461988904943826586,131072 --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=6636 /prefetch:1
    3⤵
    PID:2312
- - 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=2152,5570741487475839535,1461988904943826586,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6960 /prefetch:8
    3⤵
    PID:792
- - 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:2848
  - - 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=0x220,0x224,0x228,0x1c4,0x22c,0x7ff6521c5460,0x7ff6521c5470,0x7ff6521c5480
      4⤵
      PID:3976
- - 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=2152,5570741487475839535,1461988904943826586,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6960 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3912
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,5570741487475839535,1461988904943826586,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=6844 /prefetch:2
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1104
- - 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=2152,5570741487475839535,1461988904943826586,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6812 /prefetch:8
    3⤵
    PID:1408
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=b771e4a466a471520093bbc0d9994e2697be18f258facc4af0684212075a3eff.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
  2⤵
  PID:2212
- - 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,0x100,0x104,0xd8,0x108,0x7ffed0ab46f8,0x7ffed0ab4708,0x7ffed0ab4718
    3⤵
    PID:2024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4304

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
8be9513fd38b94d4f6b5011b68b60326

SHA1
47feef421fe8de09e36ca685e9cf19d404aa8917

SHA256
5bf3203e8be948e62917ebab13e1b21aec105c473089b233874fac8e5748bb2d

SHA512
cb3dbfa46f3ee28956deab38fefa8276f9efa6ea978ff6b7f810f7f9ba106ed569f017cf5c840ae90fc5f83a1e6dbe50efef8e3412f4f38452a00915b2cc58bc

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