9d500393740e1444302c8ca538fa60800f93e794a0adff41dfaf2d0311dd80fe

Analysis

max time kernel
157s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 03:15

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General

Target

instantclient-basic-win32-10.2.0.3-20061115.exe
Size

252KB
MD5

95bd21e090d619be1688fb893db3cea1
SHA1

51ebb2b8e54305ecdff2b700d3091dc103da00e7
SHA256

fd252b6504ee55166c98f403dd12959ef34b9d8834e43e807bd70e717c61b9ac
SHA512

93aaa77eb0d295d7c362bb94bae1a0a570430e5b9a4dfff24cf03477274cb93445cdb4f4f0af72af400ac26eccdbfc392aa7dbf0518dd1d4bcd428c684408589
SSDEEP

3072:Nr9KKtUStQJeWIaidfO5+DHkSu0iyhb3xfBTdWISictNJKsEiuBWdWZ:NQKtUoOeWIai9DzM07nx6ijTaY

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-1-5-21-2891029575-1462575-1165213807-1000\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\2e6c52e1-324a-4afe-957c-00d21c48ab21.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221129064846.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 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 8 IoCs

pid	Process
5076	instantclient-basic-win32-10.2.0.3-20061115.exe
5076	instantclient-basic-win32-10.2.0.3-20061115.exe
672	msedge.exe
672	msedge.exe
792	msedge.exe
792	msedge.exe
1448	identity_helper.exe
1448	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
792	msedge.exe
792	msedge.exe
792	msedge.exe
792	msedge.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
792	msedge.exe
792	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5076	instantclient-basic-win32-10.2.0.3-20061115.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 792	5076	instantclient-basic-win32-10.2.0.3-20061115.exe	81
PID 5076 wrote to memory of 792	5076	instantclient-basic-win32-10.2.0.3-20061115.exe	81
PID 792 wrote to memory of 2344	792	msedge.exe	82
PID 792 wrote to memory of 2344	792	msedge.exe	82
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 4900	792	msedge.exe	85
PID 792 wrote to memory of 672	792	msedge.exe	86
PID 792 wrote to memory of 672	792	msedge.exe	86
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87
PID 792 wrote to memory of 2356	792	msedge.exe	87

C:\Users\Admin\AppData\Local\Temp\instantclient-basic-win32-10.2.0.3-20061115.exe
"C:\Users\Admin\AppData\Local\Temp\instantclient-basic-win32-10.2.0.3-20061115.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://dreamcrydc.blog.163.com/
  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:792
- - 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffde1a246f8,0x7ffde1a24708,0x7ffde1a24718
    3⤵
    PID:2344
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,5074770269217709480,13834073314591143067,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:2
    3⤵
    PID:4900
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2476 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:672
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2784 /prefetch:8
    3⤵
    PID:2356
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5074770269217709480,13834073314591143067,131072 --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=3348 /prefetch:1
    3⤵
    PID:3672
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5074770269217709480,13834073314591143067,131072 --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:2756
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4892 /prefetch:8
    3⤵
    PID:796
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5376 /prefetch:8
    3⤵
    PID:2416
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5074770269217709480,13834073314591143067,131072 --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=5792 /prefetch:1
    3⤵
    PID:3016
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5074770269217709480,13834073314591143067,131072 --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=5460 /prefetch:1
    3⤵
    PID:1752
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3548 /prefetch:8
    3⤵
    PID:2468
- - 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:2092
  - - 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=0x228,0x22c,0x230,0x204,0x234,0x7ff7e89d5460,0x7ff7e89d5470,0x7ff7e89d5480
      4⤵
      PID:4956
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3548 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1448
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6520 /prefetch:8
    3⤵
    PID:2816
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6488 /prefetch:8
    3⤵
    PID:4616
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1356 /prefetch:8
    3⤵
    PID:1084
- - 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=2128,5074770269217709480,13834073314591143067,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6740 /prefetch:8
    3⤵
    PID:3984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3480

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

memory/672-136-0x0000000000000000-mapping.dmp

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memory/792-132-0x0000000000000000-mapping.dmp

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memory/796-145-0x0000000000000000-mapping.dmp

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memory/1084-160-0x0000000000000000-mapping.dmp

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memory/1448-154-0x0000000000000000-mapping.dmp

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memory/1752-151-0x0000000000000000-mapping.dmp

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memory/2092-152-0x0000000000000000-mapping.dmp

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memory/2344-133-0x0000000000000000-mapping.dmp

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memory/2356-139-0x0000000000000000-mapping.dmp

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memory/2416-147-0x0000000000000000-mapping.dmp

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memory/2756-143-0x0000000000000000-mapping.dmp

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memory/2816-156-0x0000000000000000-mapping.dmp

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memory/3016-149-0x0000000000000000-mapping.dmp

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memory/3672-141-0x0000000000000000-mapping.dmp

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memory/3984-162-0x0000000000000000-mapping.dmp

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memory/4616-158-0x0000000000000000-mapping.dmp

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memory/4900-135-0x0000000000000000-mapping.dmp

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memory/4956-153-0x0000000000000000-mapping.dmp

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