hxxps://streamz[.]b-cdn[.]net/K2[.]zip

General

Target

https://streamz.b-cdn.net/K2.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 = "133608957465417582"	chrome.exe

NTFS ADS 1 IoCs

Processes:

chrome.exe

description ioc process

File opened for modification C:\Users\Admin\Downloads\K2.zip:Zone.Identifier chrome.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

chrome.exechrome.exe

pid process

4620 chrome.exe
4620 chrome.exe
2808 chrome.exe
2808 chrome.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

Processes:

chrome.exe

pid process

4620 chrome.exe
4620 chrome.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Downloads\K2.zip:Zone.Identifier	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe
Token: SeShutdownPrivilege	4620	chrome.exe
Token: SeCreatePagefilePrivilege	4620	chrome.exe

Suspicious use of FindShellTrayWindow 33 IoCs

Processes:

chrome.exe

pid	process
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

Processes:

chrome.exe

pid	process
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe
4620	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrome.exe

description	pid	process	target process
PID 4620 wrote to memory of 4976	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 4976	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 3536	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 1312	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 1312	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	chrome.exe	chrome.exe
PID 4620 wrote to memory of 2768	4620	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/K2.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:4620

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=0x100,0x104,0x108,0xdc,0x10c,0x7ffd05faab58,0x7ffd05faab68,0x7ffd05faab78
2⤵
PID:4976

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=1616 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:2
2⤵
PID:3536

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=1964 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:8
2⤵
PID:1312

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=2140 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:8
2⤵
PID:2768

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=2920 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:1
2⤵
PID:1296

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=3040 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:1
2⤵
PID:2160

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=4592 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:8
2⤵
PID:420

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=4132 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:8
2⤵
- NTFS ADS
PID:2972

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=4656 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:8
2⤵
PID:2604

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=1564 --field-trial-handle=1824,i,599224513042319515,18040115762389371507,131072 /prefetch:2
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2808

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:3140

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

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Downloads

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

MD5
8b5be88d9808887c20b1fa7974195557

SHA1
f9436f2475eac344835f6831000bb14803931a77

SHA256
ab3f4ed535dac38e9b9d449dd488d30f04470a43418efb7f7151da2d604b23d5

SHA512
00e0ee33939eb28ada25aa58ab739be8163ffabdad45a805769bf9941e2fa1b77caa8e74ebd4a624f65d720c4012e675b33897627be7969510ae965222014df1

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
ef900f8a819df0a5aef8c175db088e52

SHA1
d650eba320739e6b6e121e73936b25f3ec9b1fe0

SHA256
ddf8a0ce1e5334f456edbf4cf939d64d40c4d9e9114c151315edeecb911998b6

SHA512
c79434c3ddaafeb7c29353d590e9e5dd196e3c167168feae820594b51debc665522858bc0a09efe5b5eb42e8a6d14b9564a64206e4971ad542b86e1faab4421e

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

MD5
c2259883cdc48fdf0a4c79dfc8b5e48a

SHA1
ab1a8681e243a555ae32726433a8ae2c5603348a

SHA256
eb2505779ff8f18994cdde089eb4d9e4fa4321d092db6bab11d1506c4d403157

SHA512
e5c74cdeff287e608ca96e162a6be194a4a1851d4ec7a7ddf83ceaeac46783f07250cd475282e8330aca1ef12665cfe53969cd8022c2b721252e7b90df7540d6

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C:\Users\Admin\Downloads\K2.zip:Zone.Identifier
Filesize
26B

MD5
fbccf14d504b7b2dbcb5a5bda75bd93b

SHA1
d59fc84cdd5217c6cf74785703655f78da6b582b

SHA256
eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

SHA512
aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

Download Submit
\??\pipe\crashpad_4620_FFXSXBUXPJFSPOWP
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