hxxps://www[.]dropbox[.]com/l/scl/AAA1bEmAjwbjnXki8UG-QUMdkElxsonZVMk

Resubmissions

02/01/2023, 08:43

230102-kmltysgh7t 8

02/01/2023, 08:40

230102-kk16vsdg49 6

Analysis

max time kernel
62s
max time network
65s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02/01/2023, 08:40

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General

Target

https://www.dropbox.com/l/scl/AAA1bEmAjwbjnXki8UG-QUMdkElxsonZVMk

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4076	chrome.exe
4076	chrome.exe
4872	chrome.exe
4872	chrome.exe
3208	chrome.exe
3208	chrome.exe
4992	chrome.exe
4992	chrome.exe
1652	chrome.exe
1652	chrome.exe
208	chrome.exe
208	chrome.exe
2712	chrome.exe
2712	chrome.exe
812	chrome.exe
812	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe
4872	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 4896	4872	chrome.exe	66
PID 4872 wrote to memory of 4896	4872	chrome.exe	66
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 1924	4872	chrome.exe	68
PID 4872 wrote to memory of 4076	4872	chrome.exe	69
PID 4872 wrote to memory of 4076	4872	chrome.exe	69
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70
PID 4872 wrote to memory of 3444	4872	chrome.exe	70

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" https://www.dropbox.com/l/scl/AAA1bEmAjwbjnXki8UG-QUMdkElxsonZVMk
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4872
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7fff8d924f50,0x7fff8d924f60,0x7fff8d924f70
  2⤵
  PID:4896
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1616 /prefetch:2
  2⤵
  PID:1924
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1696 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4076
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2260 /prefetch:8
  2⤵
  PID:3444
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2852 /prefetch:1
  2⤵
  PID:1096
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2844 /prefetch:1
  2⤵
  PID:1248
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4092 /prefetch:8
  2⤵
  PID:5020
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4492 /prefetch:1
  2⤵
  PID:3216
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4660 /prefetch:1
  2⤵
  PID:4768
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4780 /prefetch:8
  2⤵
  PID:3556
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=4828 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3208
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4972 /prefetch:1
  2⤵
  PID:3080
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5848 /prefetch:8
  2⤵
  PID:3004
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4128 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4992
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4108 /prefetch:8
  2⤵
  PID:4972
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4192 /prefetch:8
  2⤵
  PID:608
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4396 /prefetch:8
  2⤵
  PID:4856
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4828 /prefetch:1
  2⤵
  PID:920
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4384 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1652
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6084 /prefetch:1
  2⤵
  PID:380
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4144 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:208
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1524 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2712
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1592 /prefetch:8
  2⤵
  PID:2468
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1604,9749920023563180431,11858509302265168469,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4968 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Windows 7 deprecation

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