hxxp://yumpu[.]news

Analysis

max time kernel
16s
max time network
17s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
27-05-2024 20:26

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General

Target

http://yumpu.news

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 7 IoCs

pid	Process
8	msedge.exe
8	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
220	identity_helper.exe
220	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs

pid	Process
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe
1836	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 3516	1836	msedge.exe	82
PID 1836 wrote to memory of 3516	1836	msedge.exe	82
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 1172	1836	msedge.exe	83
PID 1836 wrote to memory of 8	1836	msedge.exe	84
PID 1836 wrote to memory of 8	1836	msedge.exe	84
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85
PID 1836 wrote to memory of 3024	1836	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://yumpu.news
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:1836
- 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,0x100,0x104,0xd8,0x108,0x7ffa322e46f8,0x7ffa322e4708,0x7ffa322e4718
  2⤵
  PID:3516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2112 /prefetch:2
  2⤵
  PID:1172
- 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=1940,13320929421776376033,15543518162404022202,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2428 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:8
- 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=1940,13320929421776376033,15543518162404022202,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2880 /prefetch:8
  2⤵
  PID:3024
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --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=3236 /prefetch:1
  2⤵
  PID:4312
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --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=3244 /prefetch:1
  2⤵
  PID:4652
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4220 /prefetch:1
  2⤵
  PID:460
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --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=4720 /prefetch:1
  2⤵
  PID:3780
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5448 /prefetch:1
  2⤵
  PID:3180
- 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=1940,13320929421776376033,15543518162404022202,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6012 /prefetch:8
  2⤵
  PID:4608
- 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=1940,13320929421776376033,15543518162404022202,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6012 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:220
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5720 /prefetch:1
  2⤵
  PID:3280
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5372 /prefetch:1
  2⤵
  PID:996
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5480 /prefetch:1
  2⤵
  PID:4168
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1940,13320929421776376033,15543518162404022202,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6172 /prefetch:1
  2⤵
  PID:1964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1560

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2940

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
ae54e9db2e89f2c54da8cc0bfcbd26bd

SHA1
a88af6c673609ecbc51a1a60dfbc8577830d2b5d

SHA256
5009d3c953de63cfd14a7d911156c514e179ff07d2b94382d9caac6040cb72af

SHA512
e3b70e5eb7321b9deca6f6a17424a15b9fd5c4008bd3789bd01099fd13cb2f4a2f37fe4b920fb51c50517745b576c1f94df83efd1a7e75949551163985599998

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

Filesize
152B

MD5
f53207a5ca2ef5c7e976cbb3cb26d870

SHA1
49a8cc44f53da77bb3dfb36fc7676ed54675db43

SHA256
19ab4e3c9da6d9cedda7461efdba9a2085e743513ab89f1dd0fd5a8f9486ad23

SHA512
be734c7e8afda19f445912aef0d78f9941add29baebd4a812bff27f10a1d78b52aeb11c551468c8644443c86e1a2a6b2e4aead3d7f81d39925e3c20406ac1499

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

Filesize
5KB

MD5
cf57e75a487e47105d9f0be8179f2105

SHA1
98a0e025b83e8c7dff55a352a7c3bc88aeb102f3

SHA256
894770c61079a2eca6d9ceaee89748d599e0a28b64e7c0ecf943b8c8d4c1dff3

SHA512
c09657f8a8fde6b6c42aa16d6f784e035a1c6dfc7916c38ec2046e480fe050425c58fc1c050c6c510a9911ec17e7bfc63bda3edf78ad2ddf42e42b83ef94f41a

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

Filesize
6KB

MD5
6ddadf11cf48518f446e0e571bae987b

SHA1
e289809d796afea81fb98346146427b61c631ca5

SHA256
69dca26d09ea279632c77b1d82675c44d888653ddaac54662be27d62d8a1832f

SHA512
9dac985a05595c9c3f694c0080eaad8dd3a823f1c954a583c15153920b082f60df5c416bab46f2fb7dd5b024aa67ea73618d47763fc288289406a112535a04cd

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
6e6e6b6e616dca233a9f01988fcf5fe5

SHA1
2f954a9e9c32c93dc1ef87e46d42e00ba8db69af

SHA256
f13e6113ad584c698fc39fa4d12061cc7f2436a655dfee3196177ad7ceef6975

SHA512
5229980520c116adae2211c97335f15511c39e40b0b3297be591edc0a2d3475e89369777618ec9f3b2dd2499f80a55eed0952eb6e65471961292e4e0170af025

Download Submit