hxxp://mychrc[.]com

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04-06-2024 18:53

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General

Target

http://mychrc.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	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
456	msedge.exe
456	msedge.exe
3144	msedge.exe
3144	msedge.exe
3708	identity_helper.exe
3708	identity_helper.exe
764	msedge.exe
764	msedge.exe
764	msedge.exe
764	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe
3144	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 3236	3144	msedge.exe	83
PID 3144 wrote to memory of 3236	3144	msedge.exe	83
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 1468	3144	msedge.exe	84
PID 3144 wrote to memory of 456	3144	msedge.exe	85
PID 3144 wrote to memory of 456	3144	msedge.exe	85
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86
PID 3144 wrote to memory of 5068	3144	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://mychrc.com
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:3144
- 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,0x100,0x104,0xd8,0x108,0x7fffa80746f8,0x7fffa8074708,0x7fffa8074718
  2⤵
  PID:3236
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2092,3398585839902872570,3136927827748062637,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
  2⤵
  PID:1468
- 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=2092,3398585839902872570,3136927827748062637,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:456
- 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=2092,3398585839902872570,3136927827748062637,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2876 /prefetch:8
  2⤵
  PID:5068
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,3398585839902872570,3136927827748062637,131072 --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=3152 /prefetch:1
  2⤵
  PID:1868
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,3398585839902872570,3136927827748062637,131072 --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=3168 /prefetch:1
  2⤵
  PID:4508
- 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=2092,3398585839902872570,3136927827748062637,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5140 /prefetch:8
  2⤵
  PID:3216
- 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=2092,3398585839902872570,3136927827748062637,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5140 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3708
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,3398585839902872570,3136927827748062637,131072 --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=5304 /prefetch:1
  2⤵
  PID:3580
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,3398585839902872570,3136927827748062637,131072 --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=5264 /prefetch:1
  2⤵
  PID:1460
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,3398585839902872570,3136927827748062637,131072 --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=5708 /prefetch:1
  2⤵
  PID:4648
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2092,3398585839902872570,3136927827748062637,131072 --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=5736 /prefetch:1
  2⤵
  PID:2456
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2092,3398585839902872570,3136927827748062637,131072 --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=4924 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4796

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
a8e767fd33edd97d306efb6905f93252

SHA1
a6f80ace2b57599f64b0ae3c7381f34e9456f9d3

SHA256
c8077a9fc79e2691ef321d556c4ce9933ca0570f2bbaa32fa32999dfd5f908bb

SHA512
07b748582fe222795bce74919aa06e9a09025c14493edb6f3b1f112d9a97ac2225fe0904cac9adf2a62c98c42f7877076e409803014f0afd395f4cc8be207241

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

Filesize
152B

MD5
439b5e04ca18c7fb02cf406e6eb24167

SHA1
e0c5bb6216903934726e3570b7d63295b9d28987

SHA256
247d0658695a1eb44924a32363906e37e9864ba742fe35362a71f3a520ad2654

SHA512
d0241e397060eebd4535197de4f1ae925aa88ae413a3a9ded6e856b356c4324dfd45dddfef9a536f04e4a258e8fe5dc1586d92d1d56b649f75ded8eddeb1f3e2

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

Filesize
192B

MD5
9a09ae709c9243b99798495560585fae

SHA1
bd9e2611e3f0f7ce4e13aa2efbb95c5d2411f0e3

SHA256
7790bf5e2944fd131d5da7f5000c78af1352850fe828e52fd745aba901b48cbb

SHA512
e3b80c2c926fae542397524e7722985bc551cd5e68039827afc662aaad69f29bd6195e9f4409d9da921145f1171872b363a6f5b8a96572f5d60e8e12db7e319b

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

Filesize
1KB

MD5
789504454e80fb981cf6cf3cc81555c8

SHA1
5ed8f7db13f63eb2ca60b7bf292fb1fdb7e191cc

SHA256
961588861f397d7b8a1d551171d0bf0fa8d36bdb76d69fb9a3440552f85d9b73

SHA512
699e5d7c62854d08f3b6ccbea40e36a16670fd0de010c7831ed9884af46af2c41baf553d12671a21576dd6c5f2e913644222e85c657008458fdd6a42c8c20d41

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

Filesize
5KB

MD5
7920911f73a5b2d93952a4f3179dbd22

SHA1
801f2e9e148b0d73a197f5e382b08d7a0673b7db

SHA256
f76fae378de3a48c017cdddf9803aedf59e397e51911b85a591c8e132ef9bc53

SHA512
3fb9b44e5e3076efffa8e5a98cde8ad92c9654ad71cdd85346998d91345c954002c661d90d5fb7486e03d37abd68862c78d10337c994ea720c4d8d0becaac233

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

Filesize
6KB

MD5
f7a4a2c05646c0e63305727780b2237b

SHA1
7aec1cc2f4de557ef51bd914f461c10c6ced81e2

SHA256
834e507011052d97efebe7d19ffa70397ee95d45b0df4708d2698da00dbe1aa6

SHA512
86684dcc0fcdb80356258ff2b43741c5fe2743f2df31fdfdc01098c61886108cfcafce93df9c5093345e64da38b195bab77151087a36674eda3ae94d1ccfd7d3

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\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\Local State

Filesize
11KB

MD5
cee4d1d96e1f2fb1444fa4b945257ef2

SHA1
66a22d0592f0ed521faf92d70249fa232e3395dc

SHA256
cff640402ee410d97297aad4dcf8a08440858c7bbceb62fb661af848738b2cf1

SHA512
80b99b2c812c198ea8d6170ffedaeee2f6f861a46204447bd06cbb805e6288f599eb2d9295f6713b4747707026da2810fb69d4b87ffa0b276e83b7f98510b31b

Download Submit