hxxp://exp[.]westarshop[.]com

Analysis

max time kernel
242s
max time network
251s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2024 20:12

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General

Target

http://exp.westarshop.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
224	msedge.exe
224	msedge.exe
3828	msedge.exe
3828	msedge.exe
4012	identity_helper.exe
4012	identity_helper.exe
4292	msedge.exe
4292	msedge.exe
4292	msedge.exe
4292	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe
3828	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 2924	3828	msedge.exe	72
PID 3828 wrote to memory of 2924	3828	msedge.exe	72
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 3356	3828	msedge.exe	88
PID 3828 wrote to memory of 224	3828	msedge.exe	87
PID 3828 wrote to memory of 224	3828	msedge.exe	87
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89
PID 3828 wrote to memory of 2908	3828	msedge.exe	89

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://exp.westarshop.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:3828
- 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,0x100,0x104,0xd8,0x108,0x7ff932b246f8,0x7ff932b24708,0x7ff932b24718
  2⤵
  PID:2924
- 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=2032,9260611105443005260,8738746112072651955,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2164 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:224
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2032,9260611105443005260,8738746112072651955,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2056 /prefetch:2
  2⤵
  PID:3356
- 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=2032,9260611105443005260,8738746112072651955,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2804 /prefetch:8
  2⤵
  PID:2908
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,9260611105443005260,8738746112072651955,131072 --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=3420 /prefetch:1
  2⤵
  PID:4148
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,9260611105443005260,8738746112072651955,131072 --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=3336 /prefetch:1
  2⤵
  PID:2128
- 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=2032,9260611105443005260,8738746112072651955,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5268 /prefetch:8
  2⤵
  PID:944
- 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=2032,9260611105443005260,8738746112072651955,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5268 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4012
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,9260611105443005260,8738746112072651955,131072 --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=5380 /prefetch:1
  2⤵
  PID:2172
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,9260611105443005260,8738746112072651955,131072 --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=5320 /prefetch:1
  2⤵
  PID:3188
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,9260611105443005260,8738746112072651955,131072 --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=4232 /prefetch:1
  2⤵
  PID:528
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2032,9260611105443005260,8738746112072651955,131072 --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=5640 /prefetch:1
  2⤵
  PID:2956
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2032,9260611105443005260,8738746112072651955,131072 --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=3144 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4292

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4952

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\15e87e0f-e0e8-4d9a-b481-29842a38550d.tmp

Filesize
11KB

MD5
3d82baff501111b82928f99d0f82601c

SHA1
5b9ad1b411aac8d6422c9a820d4e0bd07fe3a9a0

SHA256
b331b1da4ea12d0595c54204b9c3181da4d73280468c72f3bc0ab362a7d9ca47

SHA512
ca1dc11012031e3842e98ff63e994c2015dff3c0a54111256bcf5400eb5b8d52ba61666e4dc84700ef755ef868ca3894f2ec37d894925fde55e2aeb3ea3d34a9

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

Filesize
152B

MD5
5e77545b7e1c504b2f5ce7c5cc2ce1fe

SHA1
d81a6af13cf31fa410b85471e4509124ebeaff7e

SHA256
cbb617cd6cde793f367df016b200d35ce3c521ab901bbcb52928576bb180bc11

SHA512
cbc65c61334a8b18ece79acdb30a4af80aa9448c3edc3902b00eb48fd5038bf6013d1f3f6436c1bcb637e78c485ae8e352839ca3c9ddf7e45b3b82d23b0e6e37

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
5KB

MD5
49969a3e5314e72e86cc6b468d03eb30

SHA1
f6c112f1f854bb10c0f61dfd4c056793ac89ad92

SHA256
5146a1d7a43b4def5c63126722600997b02b2b0bfde8502e0764add4ffb9d81b

SHA512
d94e15fe69641714a81efb36cb106b31a4c76f8600abe78b9ad817386e4a5cc2a2ba84c6dc78882f928d349bda0204de326905d8823349b5f1b45050dd4a1708

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

Filesize
5KB

MD5
4e2f55f9154711206417d9ca829e9725

SHA1
609e5b11bb0532d7f8ba808b3864c09f3409babe

SHA256
d76f19c8061229aaebc856e29ed21f8fdce9d8ca5ab44b26fa9d088a0f6a0fe5

SHA512
3fc493437e0a0804dfa9d370bdf6cbd5e2e0d460ad68f402d20e6b1f0a2733e8d285f8dca4ca0fd9db463ac16b22b0a62818dcf3b02234ba9ce1fae86660d27a

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

Filesize
5KB

MD5
f770f50db092b149e8a5b1161877e217

SHA1
f759257bcd729d9ee00291be877558779a03b891

SHA256
ac7f371be166a88aa261dfee9590e982e2f456d57476aafbbb5d2e611716824d

SHA512
50be8a49907bfabc64dd233a89a5e045d92adc254f46807b2ba16db87568ffb14b7c9e6a746bd8cc1b34daa633bd04064f9196d40e46d5b907a977c7e5d2d8f8

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

Filesize
24KB

MD5
6db2d2ceb22a030bd1caa72b32cfbf98

SHA1
fe50f35e60f88624a28b93b8a76be1377957618b

SHA256
7b22b0b16088ab7f7d6f938d7cfe9ae807856662ce3a63e7de6c8107186853e4

SHA512
d5a67a394003f559c98e1a1e9e31c2d473d04cc075b08bb0aab115ce42744da536895df2cec73fa54fc36f38d38e4906680cfacfbf4698ee925f1609fbb07912

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
312ca6c367fa8f83d0d4ef0e3d9ff876

SHA1
f61641fb2e650a9ea7adc13aa4b3b06093b7337d

SHA256
f02fc06cf79956d412e9c634c5e60761366a6934ade6868fb9a513546725e91c

SHA512
70b7baecf4a8879c9946ff4ca4432cbabbed24dd0bfc64975b2700bff416c5313d7919f0e42f336d53cbb2c21b151c6269907ffa8317573d0d1eec1120433964

Download Submit