hxxps://workupload[.]com/start/dEThUq6GWFE

Analysis

max time kernel
147s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
27/04/2024, 15:55

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General

Target

https://workupload.com/start/dEThUq6GWFE

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	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
2088	msedge.exe
2088	msedge.exe
4764	msedge.exe
4764	msedge.exe
3872	identity_helper.exe
3872	identity_helper.exe
1624	msedge.exe
1624	msedge.exe
1624	msedge.exe
1624	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 3972	4764	msedge.exe	81
PID 4764 wrote to memory of 3972	4764	msedge.exe	81
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 1916	4764	msedge.exe	82
PID 4764 wrote to memory of 2088	4764	msedge.exe	83
PID 4764 wrote to memory of 2088	4764	msedge.exe	83
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84
PID 4764 wrote to memory of 4536	4764	msedge.exe	84

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://workupload.com/start/dEThUq6GWFE
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:4764
- 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,0x100,0x104,0xd8,0x108,0x7ff9aba546f8,0x7ff9aba54708,0x7ff9aba54718
  2⤵
  PID:3972
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,4126467252575369774,4988784640644001244,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2132 /prefetch:2
  2⤵
  PID:1916
- 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=2124,4126467252575369774,4988784640644001244,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2244 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2088
- 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=2124,4126467252575369774,4988784640644001244,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
  2⤵
  PID:4536
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,4126467252575369774,4988784640644001244,131072 --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=3320 /prefetch:1
  2⤵
  PID:3592
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,4126467252575369774,4988784640644001244,131072 --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=3344 /prefetch:1
  2⤵
  PID:4048
- 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=2124,4126467252575369774,4988784640644001244,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5260 /prefetch:8
  2⤵
  PID:2620
- 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=2124,4126467252575369774,4988784640644001244,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5260 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3872
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,4126467252575369774,4988784640644001244,131072 --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=5412 /prefetch:1
  2⤵
  PID:2120
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,4126467252575369774,4988784640644001244,131072 --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=5392 /prefetch:1
  2⤵
  PID:3232
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,4126467252575369774,4988784640644001244,131072 --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=5272 /prefetch:1
  2⤵
  PID:5024
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,4126467252575369774,4988784640644001244,131072 --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=5520 /prefetch:1
  2⤵
  PID:2488
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,4126467252575369774,4988784640644001244,131072 --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=4840 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1608

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
c9c4c494f8fba32d95ba2125f00586a3

SHA1
8a600205528aef7953144f1cf6f7a5115e3611de

SHA256
a0ca609205813c307df9122c0c5b0967c5472755700f615b0033129cf7d6b35b

SHA512
9d30cea6cfc259e97b0305f8b5cd19774044fb78feedfcef2014b2947f2e6a101273bc4ad30db9cc1724e62eb441266d7df376e28ac58693f128b9cce2c7d20d

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

Filesize
152B

MD5
4dc6fc5e708279a3310fe55d9c44743d

SHA1
a42e8bdf9d1c25ef3e223d59f6b1d16b095f46d2

SHA256
a1c5f48659d4b3af960971b3a0f433a95fee5bfafe5680a34110c68b342377d8

SHA512
5874b2310187f242b852fa6dcded244cc860abb2be4f6f5a6a1db8322e12e1fef8f825edc0aae75adbb7284a2cd64730650d0643b1e2bb7ead9350e50e1d8c13

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\19f74bd9-0ab9-42d3-9b1f-b67e51ce1d09.tmp

Filesize
1KB

MD5
fa1cad058c0b4cbc4aba3bf375e1c2b8

SHA1
f972395226faa45e2af441707cd17e31346a1a76

SHA256
9b5919353a89d1ec0465317f961f13c26c0d8e11956932ba5242a74368f9ed25

SHA512
ee86ef939034a1095883a7efd22245a891a1997918b12efaf777c70c9d4ba81645ca5613fae5ed9201bc932ecf5c5e8c46123c0c6b00db3d3b58b3e3b54c6de4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
360B

MD5
122f02fbf89fd7d959dd00d0ff29115a

SHA1
320993d4609147fc1ca8c54089d274c4745c225c

SHA256
ad2bf34fc10da95f6861042374716abddbc94fdac0796c7ccbb070e62259f4df

SHA512
9a31a2641ceb593e9cabcdbd87ad538a6b8dfa639781a0ba36366d04cc6cb6c349ef43e43164bed0db0b4a391446291ce697b077cd468afa800dc8754af3021d

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

Filesize
6KB

MD5
d468aa233eec3a9e5c362e9eda4f6f06

SHA1
63093ef4c166e2db1f71d9c2b0f26ff101fdcedf

SHA256
b0096bc048cd1ce3958af7c7523fb402f1b19bfd498df6bb0627bc4115c4e153

SHA512
582a2a4310d9957ce7839cf5b543eb4039669742a1aded6bfa6351ee38739d13726c67725684cef06146f70f1f55c24dbd1ebb8c951c70346ac0b3cca69dfe89

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

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\e5e3333c-a187-4e42-bb15-3b4f5cb8a9bc.tmp

Filesize
6KB

MD5
3a33acbab3bf3b86fc10a42c7f1fa480

SHA1
02e4bd25983555b6214dcb8b9fa9c1e6dde9498a

SHA256
b695168e8288bb6c8928879723d8b3983e08c87333d26c78934d30ab0d71136c

SHA512
464f52102f06b82560bfea32642b21f3524659848155dcbeefc6bfcaf7d3077323d5002e6470194b92f707b805f914b85c8c4bb019308a57496db58e76e42449

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

Filesize
11KB

MD5
858a972f49aff706d82e24ee4dc9cda5

SHA1
6efd96d99ebd6b0e9abfc4406f12a463b10bd173

SHA256
e96fa99e8233f1d844e8c72fb6c20b0b447f873c59575adfb1bf168d4c132564

SHA512
5113dce1b1d8b954c13b3a34e86936a5475000269f5212e5105b2e8fbffc8b15856071e1e9f203525bb46052fdf882ca718d64d15f443fba2e38f012eb93fb88

Download Submit