hxxps://uce565ef5ebcb1230ab9ff55944b[.]previews[.]dropboxusercontent[.]com

Analysis

max time kernel
31s
max time network
34s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
26/06/2023, 19:49

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General

Target

https://uce565ef5ebcb1230ab9ff55944b.previews.dropboxusercontent.com

Score

1^/10

Malware Config

Signatures

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

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133322825760275287"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1528	chrome.exe
1528	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
1528	chrome.exe
1528	chrome.exe

Suspicious use of AdjustPrivilegeToken 60 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe
Token: SeShutdownPrivilege	1528	chrome.exe
Token: SeCreatePagefilePrivilege	1528	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe
1528	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 3248	1528	chrome.exe	83
PID 1528 wrote to memory of 3248	1528	chrome.exe	83
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 4636	1528	chrome.exe	84
PID 1528 wrote to memory of 3196	1528	chrome.exe	85
PID 1528 wrote to memory of 3196	1528	chrome.exe	85
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86
PID 1528 wrote to memory of 2064	1528	chrome.exe	86

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://uce565ef5ebcb1230ab9ff55944b.previews.dropboxusercontent.com
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1528
- 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=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffd44409758,0x7ffd44409768,0x7ffd44409778
  2⤵
  PID:3248
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1820 --field-trial-handle=1324,i,1989864326472577332,14051569743320398953,131072 /prefetch:2
  2⤵
  PID:4636
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2172 --field-trial-handle=1324,i,1989864326472577332,14051569743320398953,131072 /prefetch:8
  2⤵
  PID:3196
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2236 --field-trial-handle=1324,i,1989864326472577332,14051569743320398953,131072 /prefetch:8
  2⤵
  PID:2064
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3204 --field-trial-handle=1324,i,1989864326472577332,14051569743320398953,131072 /prefetch:1
  2⤵
  PID:2968
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3212 --field-trial-handle=1324,i,1989864326472577332,14051569743320398953,131072 /prefetch:1
  2⤵
  PID:4860
- 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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4756 --field-trial-handle=1324,i,1989864326472577332,14051569743320398953,131072 /prefetch:8
  2⤵
  PID:2716
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4940 --field-trial-handle=1324,i,1989864326472577332,14051569743320398953,131072 /prefetch:8
  2⤵
  PID:1780
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4972 --field-trial-handle=1324,i,1989864326472577332,14051569743320398953,131072 /prefetch:8
  2⤵
  PID:4660

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Google\Chrome\User Data\Default\Network\TransportSecurity

Filesize
538B

MD5
cfd5280d11c241a43d78c1fc0e078211

SHA1
4fc7f2d8e44cab824782d32fd4c0b6d8be2974e4

SHA256
9ab6182c08fabb1e29fb28bb39f4bd39f4d1390f0b0fcc9c57e66b4dac6c6da0

SHA512
fea71d93ef087df6f9b96cf856ec3eef9cba53337a0b81f11be16767daf5015b3fd6c03e9d3e04adf9352dacebb69fb3819af107458f4a4fd93eb026f7422269

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
6KB

MD5
d0da86d1225909219caf70bac391eef1

SHA1
4d8dfe4141c4da7f1388ac7f67fed493adb48881

SHA256
46d0f3b6e7f073479c9615b3915f15ced7063f67b2e2bcf26d1b7952185dea7a

SHA512
7927a1b9709cb7d8c303af6c314e1bc0a78d4a9dcb2a995a7c869fe3c9a2ff8f5b1cae63313f1ee931879d74e56bfad868866c0697e60f211827140b83107597

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences

Filesize
15KB

MD5
d7624d8d9e4b28ec13832229ff9195c5

SHA1
348ad6d76239329e442b046a9d5139b4bf06bc39

SHA256
7b2c74b9a1b417ca8d57131396edbe4b5a7889ead6612a3ab84ca3aaf1790d1e

SHA512
8bab05a2745e27f46030bd9b7cffa0bbf2843cbe438e988291ba00b57a833fa64ad5ed23faa03329ee76bbc39780eda390c3778b027d92a2968b4acf21dbd1c3

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
174KB

MD5
109bb341e104036a3323ba0f726a6de4

SHA1
83ff7dde9012c5f393dd50b6befcd0b1be586034

SHA256
f7c20d6791ce9baa579956898aff5599d053d57c1dc00b70446ef50182d256da

SHA512
f2354b849ac385b5c332685f58214d10f1e2d00ccf48ce3d641e044b7cc37c632a782fbca0dbac044c0dae88c2e0c12d6b75e326a7784d727d9e15e7a97c3cc9

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit