hxxps://zeltser[.]com/malware-sample-sources/

Analysis

max time kernel
600s
max time network
485s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 09:24

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General

Target

https://zeltser.com/malware-sample-sources/

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
3380	msedge.exe
3380	msedge.exe
4268	msedge.exe
4268	msedge.exe
5096	identity_helper.exe
5096	identity_helper.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe
4268	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 876	4268	msedge.exe	82
PID 4268 wrote to memory of 876	4268	msedge.exe	82
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 1852	4268	msedge.exe	83
PID 4268 wrote to memory of 3380	4268	msedge.exe	84
PID 4268 wrote to memory of 3380	4268	msedge.exe	84
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85
PID 4268 wrote to memory of 4908	4268	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://zeltser.com/malware-sample-sources/
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:4268
- 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,0x100,0x104,0xd8,0x108,0x7ff8030d46f8,0x7ff8030d4708,0x7ff8030d4718
  2⤵
  PID:876
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2040,8768985169836098813,14970434710950173136,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2056 /prefetch:2
  2⤵
  PID:1852
- 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=2040,8768985169836098813,14970434710950173136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2128 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3380
- 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=2040,8768985169836098813,14970434710950173136,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2764 /prefetch:8
  2⤵
  PID:4908
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2040,8768985169836098813,14970434710950173136,131072 --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=3368 /prefetch:1
  2⤵
  PID:1840
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2040,8768985169836098813,14970434710950173136,131072 --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=3388 /prefetch:1
  2⤵
  PID:1572
- 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=2040,8768985169836098813,14970434710950173136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5284 /prefetch:8
  2⤵
  PID:464
- 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=2040,8768985169836098813,14970434710950173136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5284 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5096
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2040,8768985169836098813,14970434710950173136,131072 --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=5280 /prefetch:1
  2⤵
  PID:1108
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2040,8768985169836098813,14970434710950173136,131072 --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=5404 /prefetch:1
  2⤵
  PID:960
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2040,8768985169836098813,14970434710950173136,131072 --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=3416 /prefetch:1
  2⤵
  PID:1240
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2040,8768985169836098813,14970434710950173136,131072 --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=5820 /prefetch:1
  2⤵
  PID:4220
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2040,8768985169836098813,14970434710950173136,131072 --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=2972 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4492

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4600

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1952

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
144B

MD5
d9e72651b4f99c998447dfbabb6597b6

SHA1
6198c702ac66d0df689ffc882a298d4b2687d77e

SHA256
f108b8eb250a9e8749e2e2f954124d9d10bd96874d76fa80bdacaa1d8547b17d

SHA512
980a4fd422f86e3ffe416b312dab0c4232fa73aa704506f7601d9ce4c5bb5c4e2d300df5fae1a36e0e91085ce568b20f624aefef38bc6be399312c4aadca26c3

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

Filesize
183B

MD5
ceabc7be1cdf0f85fe21b10473a83888

SHA1
9609c9f89d679c37816321bf9569668a7889e9a5

SHA256
a99e6bcd1f6eae8521bd51cf2109ca88382ef1f0d17341c4e6f52848eb5e9a91

SHA512
ad71ad51c7c8642bf2d8fd17297020307deae6677141a7a4bf4911bf96fc11c9bf73a8e1b9f06dd423d791bb0e2a43673b50cd848a10f058825ee58560488066

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

Filesize
6KB

MD5
b7937122058146c1c1a20cd715f0a2be

SHA1
39b62b7a0fd743706b3c1313c44b26a6dc32aef5

SHA256
9ea233319b0fcbd95d0c56dd179818ba039033ec1345dff51da4d12245ee3b10

SHA512
91f7c558f71af4544d6eed5174229825e10ef2c33f3ce0f9cf8e8b913e49329af045474a4043e3a0be5ffccf8a1af61447d65f1b493057d9c82e9643083a3a24

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

Filesize
6KB

MD5
c8073a753434d5d1d0c6942002849377

SHA1
5bc501b1abae569f964d10766affa837d375d941

SHA256
928144052540a1a421824484d785ae98faa4df7c8502d4bef1277a720bb2845c

SHA512
a0039d0e3d05da6f73bf093b7ec1dfaf1f93699f4eafa11aac3b788bd6d48651a8bd6f96262f5add76a19b93a3442bac80f5342a36de7c1bf11674bef23578e7

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
5afcd76fd5c24a73107330ece9f46218

SHA1
ea8961f2210903cda0d6b911ca1529a2e40f945b

SHA256
12b130b67f2a33c2a015896632aa982d7bb69fe7267500d94e035d59c673c956

SHA512
2d0d0e67503df422e36e3146c9629cb35354e600a9ad8196ad9f66569c100a29bf71c789db2710179a60a6292856a5950ebe14d0a7e1897d5098da7a22114f37

Download Submit
\??\pipe\LOCAL\crashpad_4268_JKDAMCWBCNELLYHL

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit