hxxp://cslbehring[.]net[.]br

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2023, 23:16

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General

Target

http://cslbehring.net.br

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4696	chrome.exe
4696	chrome.exe
2016	chrome.exe
2016	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 2848	4696	chrome.exe	81
PID 4696 wrote to memory of 2848	4696	chrome.exe	81
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 5024	4696	chrome.exe	83
PID 4696 wrote to memory of 2460	4696	chrome.exe	84
PID 4696 wrote to memory of 2460	4696	chrome.exe	84
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85
PID 4696 wrote to memory of 4584	4696	chrome.exe	85

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" http://cslbehring.net.br
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:4696
- 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,0x100,0x104,0xd8,0x108,0x7ffdd41e9758,0x7ffdd41e9768,0x7ffdd41e9778
  2⤵
  PID:2848
- 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=1656 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:2
  2⤵
  PID:5024
- 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=2036 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:8
  2⤵
  PID:2460
- 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=2240 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:8
  2⤵
  PID:4584
- 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=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2924 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:1
  2⤵
  PID:4888
- 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=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2916 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:1
  2⤵
  PID:3536
- 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=4772 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:8
  2⤵
  PID:1176
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4924 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:8
  2⤵
  PID:4500
- 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=5148 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:8
  2⤵
  PID:3784
- 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=5020 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:1
  2⤵
  PID:1472
- 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=3164 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:1
  2⤵
  PID:2740
- 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=4880 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:1
  2⤵
  PID:5084
- 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=212 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:1
  2⤵
  PID:1104
- 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=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1800 --field-trial-handle=1652,i,17332727866670545819,14948503545317602895,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2016

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:4184

Network

MITRE ATT&CK Enterprise v6

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\Network\Network Persistent State

Filesize
1KB

MD5
c40410dde2ccbba833f27e1750b37cd9

SHA1
e48720f88e5b7db945851117fda1548187f3d4b9

SHA256
0c2f40825d4169738a2953e865b13c4db340ea1ab4b245dba138b91c0dd65eae

SHA512
5b955a6c26881d654c839eea91d3fb9adb638791d5f7b9ab9f6a0dfa3d9b2ea95e750af18e52f05b7d6de46d0a73bf3b969a12d75a71e82787cb1c43809a2612

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

Filesize
6KB

MD5
d3dac3fce100a8da193f68f6e165edf8

SHA1
dacc43ff79b2df180063441469db6efdd779f365

SHA256
4a0197f0fd02b9193ba930d9a9e25efa0140f7b50bb296f913e8e6e9abf3eb92

SHA512
54f3b2f6f9b0a88995d77126b3d6583ffca8fca19c29f726c6213933b185346e6e96187650d89bd4a1e7e68e4f5c00b9928802c8fc9b0f0c850def51fb45cd9d

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

Filesize
6KB

MD5
de20fc30f8a5b5998d44cb165b2e66c7

SHA1
f8ef94a831e2b8bd1c0e884713e667b5a63fd49b

SHA256
f38bc08d40ac98e9259f958fae49d745ecf17d31dd31177c883bafc6f746e56f

SHA512
0e87c4efeacfcfdf382954e2d366e18b44c11debe7e2a5830c8fc2a0f3b2fa0427ac0cfbb7116aca508c532778b3addbaa6e9fe63f85b9ad7e7104cdfda79c5c

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

Filesize
87KB

MD5
b1683f2cd20b9aa86ccefdd55e4f2fd0

SHA1
6f41856a2c51fdb9d00699ca81af7ad79ed0ce1b

SHA256
80c7755d9e9c425bff3aa64ee95a3f3b7229908cfd4a4f043a13c87d57afb634

SHA512
f75abe5e1f14c2e7179cfb42ee0254727e539a946a6f79d09fa6e4c49221cdeb816c397a799501f01a4e58fa48203fa1fa7fbfdb961fbd1b41e99aa559f2fdbb

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