hxxp://pywolwnvd[.]biz/rlpenlynsau

Analysis

max time kernel
1799s
max time network
1692s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2024 23:42

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General

Target

http://pywolwnvd.biz/rlpenlynsau

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 = "133487990697189574"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1036	chrome.exe
1036	chrome.exe
2708	chrome.exe
2708	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
1036	chrome.exe
1036	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe
Token: SeShutdownPrivilege	1036	chrome.exe
Token: SeCreatePagefilePrivilege	1036	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe
1036	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2916	1036	chrome.exe	14
PID 1036 wrote to memory of 2916	1036	chrome.exe	14
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 4232	1036	chrome.exe	29
PID 1036 wrote to memory of 3764	1036	chrome.exe	27
PID 1036 wrote to memory of 3764	1036	chrome.exe	27
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23
PID 1036 wrote to memory of 3992	1036	chrome.exe	23

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,0x100,0x104,0xdc,0x108,0x7ffea8d39758,0x7ffea8d39768,0x7ffea8d39778
1⤵
PID:2916

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 http://pywolwnvd.biz/rlpenlynsau
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:1036
- 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=2180 --field-trial-handle=1284,i,10001857196596133335,10032575486274252442,131072 /prefetch:8
  2⤵
  PID:3992
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2932 --field-trial-handle=1284,i,10001857196596133335,10032575486274252442,131072 /prefetch:1
  2⤵
  PID:3412
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2924 --field-trial-handle=1284,i,10001857196596133335,10032575486274252442,131072 /prefetch:1
  2⤵
  PID:2232
- 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=2116 --field-trial-handle=1284,i,10001857196596133335,10032575486274252442,131072 /prefetch:8
  2⤵
  PID:3764
- 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=1776 --field-trial-handle=1284,i,10001857196596133335,10032575486274252442,131072 /prefetch:2
  2⤵
  PID:4232
- 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=4796 --field-trial-handle=1284,i,10001857196596133335,10032575486274252442,131072 /prefetch:8
  2⤵
  PID:732
- 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=4904 --field-trial-handle=1284,i,10001857196596133335,10032575486274252442,131072 /prefetch:8
  2⤵
  PID:116
- 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=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3964 --field-trial-handle=1284,i,10001857196596133335,10032575486274252442,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2708

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:1756

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:1792

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
PID:752

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
e473a6225bf95da7923dd8a434681fa0

SHA1
ecd8b36dfc654dd7abedc94ee2ccf9a075ab89db

SHA256
965c295a0e21e223685ede72fe73cdf036288d4b78b087c86625472ad6ac8bf3

SHA512
08596160b9c7a272fccd9dea28bad6fb0d4c953a5f3444faa5e6dc3af3dbcf8325e2d63268c0ba631e42474afab86aa37c2f0df553db2b7d25ecabdf95d87fa7

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

Filesize
114KB

MD5
10e4caf89168f14316a0e480bd426b5a

SHA1
e27cc8f063ad1a6c93919af760c34844219c1d87

SHA256
8ed64ba83e916006ab333151f04c704dfbd848e39f3c61aae8ed6a950bd2e43b

SHA512
c007cadc639147edc898d1a62b6261e9cf54ee174dc5bb46d8d532e9ca4de9ba51274f56cd5edc64a3f59ae3b6b34fdf56238a15d1e963b79d9b57a4156905db

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
memory/752-55-0x0000022FF7AA0000-0x0000022FF7AB0000-memory.dmp

Filesize
64KB

Download
memory/752-71-0x0000022FF7BA0000-0x0000022FF7BB0000-memory.dmp

Filesize
64KB

Download
memory/752-87-0x0000022F801F0000-0x0000022F801F1000-memory.dmp

Filesize
4KB

Download
memory/752-89-0x0000022F80220000-0x0000022F80221000-memory.dmp

Filesize
4KB

Download
memory/752-90-0x0000022F80220000-0x0000022F80221000-memory.dmp

Filesize
4KB

Download
memory/752-91-0x0000022F80330000-0x0000022F80331000-memory.dmp

Filesize
4KB

Download