hxxps://free[.]rustche[.]at/

Resubmissions

03-10-2023 23:35

231003-3k8j2shh43 1

21-09-2023 02:22

230921-ctvrfaec72 1

21-09-2023 02:15

230921-cpz6csec32 1

Analysis

max time kernel
49s
max time network
58s
platform
windows10-2004_x64
resource
win10v2004-20230915-de
resource tags

arch:x64arch:x86image:win10v2004-20230915-delocale:de-deos:windows10-2004-x64systemwindows
submitted
21-09-2023 02:22

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General

Target

https://free.rustche.at/

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	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

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 = "133397365900132645"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3196	chrome.exe
3196	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
3196	chrome.exe
3196	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe
Token: SeShutdownPrivilege	3196	chrome.exe
Token: SeCreatePagefilePrivilege	3196	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe
3196	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 2788	3196	chrome.exe	32
PID 3196 wrote to memory of 2788	3196	chrome.exe	32
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 3436	3196	chrome.exe	86
PID 3196 wrote to memory of 2564	3196	chrome.exe	87
PID 3196 wrote to memory of 2564	3196	chrome.exe	87
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88
PID 3196 wrote to memory of 708	3196	chrome.exe	88

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://free.rustche.at/
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:3196
- 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=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffba4ec9758,0x7ffba4ec9768,0x7ffba4ec9778
  2⤵
  PID:2788
- 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=1620 --field-trial-handle=1868,i,12912003996266126924,8668354741487580608,131072 /prefetch:2
  2⤵
  PID:3436
- 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=2112 --field-trial-handle=1868,i,12912003996266126924,8668354741487580608,131072 /prefetch:8
  2⤵
  PID:2564
- 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=utility --mojo-platform-channel-handle=2212 --field-trial-handle=1868,i,12912003996266126924,8668354741487580608,131072 /prefetch:8
  2⤵
  PID:708
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2984 --field-trial-handle=1868,i,12912003996266126924,8668354741487580608,131072 /prefetch:1
  2⤵
  PID:3460
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=2976 --field-trial-handle=1868,i,12912003996266126924,8668354741487580608,131072 /prefetch:1
  2⤵
  PID:3816
- 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=4916 --field-trial-handle=1868,i,12912003996266126924,8668354741487580608,131072 /prefetch:8
  2⤵
  PID:8
- 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=4944 --field-trial-handle=1868,i,12912003996266126924,8668354741487580608,131072 /prefetch:8
  2⤵
  PID:2952

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:1696

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\Google\Chrome\User Data\Default\Preferences

Filesize
6KB

MD5
69207a2de39cb34f69326fbc4de2eb6b

SHA1
3daff68347c18c15381cc4eeeebbffa377878728

SHA256
2a0b8ec824ceed684e9f577a96ea8d824869e6d82e34d9d51a31f3bd0c491c3f

SHA512
a89f85b3c768d044d181ecb7a9279d3370c94a3deeaadd098b65a796e00052f83204486d092e2ea04ac59b36fe5f72dda62b91314896e924b70f950c15a81764

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

Filesize
6KB

MD5
c7599f9eea64d2147641a846062cbd53

SHA1
bdaac0697c90ef97e7a7490f758f4fde24152dd1

SHA256
9c852329b7e74522886cffec8cd30e0afde4b28928ea5c7bec0505e62b96893c

SHA512
d20d8b86d774429156170bf60aad8d53a4fa0ea67a435e0bddeb7ba4230a0719d784cddb26c8718fad5c2dbac4ad0b576687a4790f8dee502ee94557a25f4797

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

Filesize
102KB

MD5
5406e068d60b3d3732b64714f3a5f733

SHA1
fbd4b5ad213d3843c072a678f56e871ce311885c

SHA256
290bf62e9120f4c5489f57c34b427dd871c8855924e3998a8aa6633ceb98f72d

SHA512
594a63d3627273df4ced7b43456e64a81488ac85266b4a819c35136a54b5239129bdd3517c1eacdf968cee1688194cf418607ad7b7bd6a01da335a54b7bc7b41

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit