hxxps://assets[.]dropbox[.]com/email/en/receiving-experience/

Analysis

max time kernel
145s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 18:06

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General

Target

https://assets.dropbox.com/email/en/receiving-experience/

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1064	msedge.exe
1064	msedge.exe
868	msedge.exe
868	msedge.exe
2832	identity_helper.exe
2832	identity_helper.exe
4060	msedge.exe
4060	msedge.exe
4060	msedge.exe
4060	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe
868	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 4732	868	msedge.exe	83
PID 868 wrote to memory of 4732	868	msedge.exe	83
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 3980	868	msedge.exe	84
PID 868 wrote to memory of 1064	868	msedge.exe	85
PID 868 wrote to memory of 1064	868	msedge.exe	85
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86
PID 868 wrote to memory of 5044	868	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://assets.dropbox.com/email/en/receiving-experience/
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:868
- 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,0x100,0x104,0xd8,0x108,0x7ffcc0a246f8,0x7ffcc0a24708,0x7ffcc0a24718
  2⤵
  PID:4732
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,16722091051931682403,12568410725267622839,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
  2⤵
  PID:3980
- 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=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2212 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1064
- 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=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2672 /prefetch:8
  2⤵
  PID:5044
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3260 /prefetch:1
  2⤵
  PID:2760
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3268 /prefetch:1
  2⤵
  PID:1796
- 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=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5264 /prefetch:8
  2⤵
  PID:1076
- 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=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5264 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2832
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5432 /prefetch:1
  2⤵
  PID:4328
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5440 /prefetch:1
  2⤵
  PID:2144
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5720 /prefetch:1
  2⤵
  PID:2996
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,16722091051931682403,12568410725267622839,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5152 /prefetch:1
  2⤵
  PID:4896
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,16722091051931682403,12568410725267622839,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --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=2032 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4500

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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
ecf7ca53c80b5245e35839009d12f866

SHA1
a7af77cf31d410708ebd35a232a80bddfb0615bb

SHA256
882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

SHA512
706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

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

Filesize
152B

MD5
4dd2754d1bea40445984d65abee82b21

SHA1
4b6a5658bae9a784a370a115fbb4a12e92bd3390

SHA256
183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

SHA512
92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
186B

MD5
b319261ec08939f84039329e18fb2eac

SHA1
12723488fd15ef2aae2bbfba97cfac25bff642b6

SHA256
c710f4b597318c92953559680ef816befb8ea578a05e19e01f1e50aee323b7b5

SHA512
b6badfd195aee3c797770956ac0169c3d5e2366367b789df7338d10512396971f5b7d40ea5ebede9ec16c33263e8e6e13db47cacdb7edce351891a59e4efa2c5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
7e020813a3202493d236109903069971

SHA1
146a92100bed7ee080809a32854fc323a325b55d

SHA256
6cf029ab351dbebb7107742b0c0992ce775da2a336e98c07d7421cb0a7b5af1d

SHA512
196c2a1cc514d383918988440e2aae0e39a39577bb9c8e5c2a0a280db02300f308987ec2f2612d7690f80148e77687be565eff38d0f0a7b065a14d624a24da30

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
2ddb270f0cbf51c5573a8fe1ad71a7ec

SHA1
34b0dff03896d8ebfce5847da979701f89b0a734

SHA256
c1a627be607b1191aeffe59fdd278a8c9975243f848db2d1fe7854916605f080

SHA512
e75c69671444fdcef7edaffa723c432a2759048d21cab73e7f68ce703186b1db70d23f4899fb40d1c2ddddc5c5be65471a065ef742145b14780047b872a39614

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
10KB

MD5
5641feb199bcf4f85227296cbbf784b2

SHA1
a3d4ab16ad6d2aa0cf1c43da7a21d953e379f2e9

SHA256
fd16dddc82ce19faf73317ef23ea021e1ad5553633aee9cff42e427519761cdf

SHA512
c3c48152ea26a3f164dd26c9d9f3ee1a10d6df02ad802315c0591e9e4091753a53e99b618d4b476ec6af596614febc351c1422c17a9b1f90e3ff6d8208c30498

Download Submit