hxxp://pwrc[.]or[.]jp

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
18/09/2023, 16:41

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General

Target

http://pwrc.or.jp

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
4500	msedge.exe
4500	msedge.exe
3860	msedge.exe
3860	msedge.exe
4132	identity_helper.exe
4132	identity_helper.exe
2380	msedge.exe
2380	msedge.exe
2380	msedge.exe
2380	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe
3860	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 1404	3860	msedge.exe	28
PID 3860 wrote to memory of 1404	3860	msedge.exe	28
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 3696	3860	msedge.exe	87
PID 3860 wrote to memory of 4500	3860	msedge.exe	85
PID 3860 wrote to memory of 4500	3860	msedge.exe	85
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86
PID 3860 wrote to memory of 4124	3860	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://pwrc.or.jp
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:3860
- 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,0x100,0x104,0xd8,0x108,0x7ffc301346f8,0x7ffc30134708,0x7ffc30134718
  2⤵
  PID:1404
- 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=2192,9885653624106276246,5584312689988689786,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2260 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4500
- 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=2192,9885653624106276246,5584312689988689786,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2840 /prefetch:8
  2⤵
  PID:4124
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2200 /prefetch:2
  2⤵
  PID:3696
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --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=3216 /prefetch:1
  2⤵
  PID:5056
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --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=3236 /prefetch:1
  2⤵
  PID:4036
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --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=4924 /prefetch:1
  2⤵
  PID:4700
- 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=2192,9885653624106276246,5584312689988689786,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5264 /prefetch:8
  2⤵
  PID:4268
- 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=2192,9885653624106276246,5584312689988689786,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5264 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4132
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4656 /prefetch:1
  2⤵
  PID:4960
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --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=5344 /prefetch:1
  2⤵
  PID:4980
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --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=4820 /prefetch:1
  2⤵
  PID:1672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --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=5580 /prefetch:1
  2⤵
  PID:4452
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2192,9885653624106276246,5584312689988689786,131072 --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=2144 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3828

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
16c2a9f4b2e1386aab0e353614a63f0d

SHA1
6edd3be593b653857e579cbd3db7aa7e1df3e30f

SHA256
0f7c58a653ae1f3999627721bad03793edc1e9d12e8f5253c30b61b8478f5c81

SHA512
aba1ed22c7b9ae1942d69a7cd7a618597300ae5c56be88187ddec6227df056f81c1d9217778d87fa8c36402bce7275d707118ff62d3a241297738da434556e06

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

Filesize
264B

MD5
765bc09811b6c13897c7fe19fb116e7a

SHA1
ef1d0d3bcf673680b79b27276cbbd0500d8cff7a

SHA256
cd34f0c640c5d984eba87d63d8ec32797d93e13294f7927269c66089d4b69fba

SHA512
1294a2a2e723f7326724e209b5c5e2d0cf40c93757fb310bf2a98f6eddbd9b099411acbf9d64c533fa426f21e59c26763ae4b2de73191497b21d222d88e453d6

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

Filesize
1KB

MD5
faca1e5790ff8fae2bfcb725bd4447ea

SHA1
ec8dce29a4193829efb6518e7881093e82e7e378

SHA256
a7b863f7b1857b5bdf4d1e3f346d953b08ba43b181d16a83c61f508c1a89c276

SHA512
b6c5fd5809854009e0fde75a41bf33b6a76c2fb90d959e16bbc92f4a46f95eed5ab530ce08365a2829fac48151883520fc9289771bc99d32ca3b29f0e7ee1cbe

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

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

Filesize
6KB

MD5
35636775ed4c21549593bbbcb218a35b

SHA1
f2561e5ede328444f05ca3589e6c8f64dff16693

SHA256
c4482d20e61ab5588ea7c16d94b23c718cca2ee2fcf3796e88ab2d2398650993

SHA512
6718d275c7853c45e1d303c38b413c2c169669319d0750bcde01c7ea16e159aecb63e52001896d2c5e9c60728f006f50acecd382f3fe309136b2c7494dff478c

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

Filesize
5KB

MD5
e21e1c59ec7e67de138a7cf95dc1072f

SHA1
21d98c0e8c8a45d53e79427aaa326d4f04cb287a

SHA256
fb38e5e3bc5e59b09eac0d429400496d2ebfdab157dc50c42c5c78ab57cd82fd

SHA512
c384ad89237ac6221c4cccaa08ba22653d32f45fe2ddfa949aa175ec19a98eeb51f87349aff9ad210141990759f3e0f499319a158a87aada90704d52a079d762

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

Filesize
6KB

MD5
d917dee816ec3d91cc61307b4c321be1

SHA1
299562529c1a923815bc4c26c563e659bda1c292

SHA256
166a8d0f988fc6a54c6e9399921e3dfe75efd3cc8ed74188bd6bb6c24759ea4c

SHA512
352e2e84bdce6e76235813ceafa3a2db0adb2b9435596e62ef244a773e755725fbd696da55114fc7d55634c476ee70ea9038ec6f70fdb262d8fa666a56ed5fcc

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

Filesize
24KB

MD5
699e3636ed7444d9b47772e4446ccfc1

SHA1
db0459ca6ceeea2e87e0023a6b7ee06aeed6fded

SHA256
9205233792628ecf0d174de470b2986abf3adfed702330dc54c4a76c9477949a

SHA512
d5d4c08b6aec0f3e3506e725decc1bdf0b2e2fb50703c36d568c1ea3c3ab70720f5aec9d49ad824505731eb64db399768037c9f1be655779ed77331a7bab1d51

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
11KB

MD5
163339fa4281f820e09375d8cca7ae58

SHA1
cb42991bba5dbeff0d9b6ee5afb6ed10e273e34a

SHA256
deff37d88ee5e4526e684aede40208a972baa56cfefacb0180f72695580ec8c4

SHA512
bb1c086f01bda26a21b02e81b57c7f8301e6218b3cb9a19502fd9d9902ccf3cdbf6f9a3e8f67e7115b78bf990ba0b4f6c922e4f61d70635806de4811633a48ea

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

Filesize
11KB

MD5
3b1f6f0147ad60f1a85341743850036e

SHA1
16126bbb28043bda896cd02e4f19ad4eea40e727

SHA256
d17c688da591a44b4ede8bb04929ad0692226120ff5d92b2af98c17ed794a477

SHA512
374c6a05e6830bc5e11b1e81a34d0c39e28c74b6845d7480c0f6f4f3f1aea70143bec540fe93a8f263e7d6376b5e6185d27953d752391de32f79827023ec259b

Download Submit