hxxps://streamz[.]b-cdn[.]net/K1[.]zip

General

Target

https://streamz.b-cdn.net/K1.zip

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrome.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

Processes:

chrome.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133608949181885192"	chrome.exe

NTFS ADS 1 IoCs

Processes:

chrome.exe

description ioc process

File opened for modification C:\Users\Admin\Downloads\K1.zip:Zone.Identifier chrome.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

chrome.exechrome.exe

pid process

3844 chrome.exe
3844 chrome.exe
4924 chrome.exe
4924 chrome.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

Processes:

chrome.exe

pid process

3844 chrome.exe
3844 chrome.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Downloads\K1.zip:Zone.Identifier	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe
Token: SeShutdownPrivilege	3844	chrome.exe
Token: SeCreatePagefilePrivilege	3844	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

Processes:

chrome.exe

pid	process
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

Processes:

chrome.exe

pid	process
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe
3844	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrome.exe

description	pid	process	target process
PID 3844 wrote to memory of 4008	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4008	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 1792	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 488	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 488	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe
PID 3844 wrote to memory of 4004	3844	chrome.exe	chrome.exe

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://streamz.b-cdn.net/K1.zip
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3844

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xe0,0x10c,0x7fffa85fab58,0x7fffa85fab68,0x7fffa85fab78
2⤵
PID:4008

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1536 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:2
2⤵
PID:1792

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1956 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:8
2⤵
PID:488

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2168 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:8
2⤵
PID:4004

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2912 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:1
2⤵
PID:3872

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2920 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:1
2⤵
PID:3696

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4432 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:8
2⤵
PID:1800

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4708 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:8
2⤵
PID:2844

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4620 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:8
2⤵
- NTFS ADS
PID:3488

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1760 --field-trial-handle=1820,i,7158598282088657443,750468507475897672,131072 /prefetch:2
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4924

C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
1⤵
PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
Filesize
1KB

MD5
dbf3fee446bcb62e4c8252173278770e

SHA1
90757534e8ccffa5d326e76db183be57ce6a883f

SHA256
d2e960dc1b4fc3bfcc29cb60ac3a64d0970ec73acf710992e8511ec61987355d

SHA512
87e61315b72e93355f590063413334c565f114954ad2cfa2b8d26081efcad82d579dcb2afd35c22044ae5477c58528f08a14d09a33f78a1aa3d518f5b66ced82

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
Filesize
7KB

MD5
97b93407af8f1de061a394bcf9970cdf

SHA1
ff79ce1905da3d4a1123cdfc08f4ed0627c4d805

SHA256
b5599d3f73bd304e633680b4fad94be13eabe99e99b9da7be88b508413657625

SHA512
fdb2c3b5bf4b3870fba4d810501af9010957d6add7fa733c77c25f339d92523c27776026090c417c8d2a4b6029a4538dfbe6d5c174ee73c7d4dcf2938151a9e0

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
Filesize
129KB

MD5
907975da45888ac50567f25a79162a5a

SHA1
3dff0008444109e82ed9124797d6fc2bd2dab84c

SHA256
1b4c83391f938981d6da666ff50d392d63bcf23759baf27b9380173a87432ea7

SHA512
1f813320d7074be49cc94bd1563d383bc1dd27afc46bc87c0d6d7ec91b9dccad5ad13b678d7eefc39d4608f11c29fd381e718795040771d4ecbe8edc9ac6f66e

Download Submit
C:\Users\Admin\Downloads\K1.zip.crdownload
Filesize
4.0MB

MD5
272fcce5b2791b33553aeac4eb6af8b1

SHA1
c09d69c8ab975b8cf4923bf59522d206bc21153a

SHA256
64dbff7f33110db871db696d559208172b15fc51596bb952e2a0392b65faca49

SHA512
e6919556bb086b7daeeb60c7b1081abd3afb93bd4fbb545ec02fba4cbf98cf759dbbb74797809431e092c8905054748157c3cd1586c9796c3370719b83dd849b

Download Submit
C:\Users\Admin\Downloads\K1.zip:Zone.Identifier
Filesize
26B

MD5
fbccf14d504b7b2dbcb5a5bda75bd93b

SHA1
d59fc84cdd5217c6cf74785703655f78da6b582b

SHA256
eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

SHA512
aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

Download Submit
\??\pipe\crashpad_3844_TEEZAOJLKNDCRGXO
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads