3581a42aad05a83d044454c1a4c9cfe4ec475dd074435044b3dd783d7c468ac4

Analysis

max time kernel
58s
max time network
166s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31/03/2023, 17:24

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General

Target

Update.exe
Size

1.5MB
MD5

c6f3d15ca487e7a10528449464e4f349
SHA1

edbbd636f441d3fc66bcd724a833fb60a31e29ca
SHA256

3581a42aad05a83d044454c1a4c9cfe4ec475dd074435044b3dd783d7c468ac4
SHA512

58f667212f7b3ee5d792f8a900a41bbf07f32ae34eb1a1ddb7c272c51e76b6870d3504a07ae84e391b7fa56758cf2d167a36a48361d3d9d4df7386c32436ce0d
SSDEEP

12288:b6CyLEgR0ro/0EhcXAHjRYSN9bUlOr/oJfT9Pu0XejfQ1JRQ3Tzvx+nDIpnU7:MEgRN/th3VelBPu0XUfWJms0pni

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
656	chrome.exe
656	chrome.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe
Token: SeShutdownPrivilege	656	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe
656	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 764	656	chrome.exe	30
PID 656 wrote to memory of 764	656	chrome.exe	30
PID 656 wrote to memory of 764	656	chrome.exe	30
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1688	656	chrome.exe	34
PID 656 wrote to memory of 1864	656	chrome.exe	35
PID 656 wrote to memory of 1864	656	chrome.exe	35
PID 656 wrote to memory of 1864	656	chrome.exe	35
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36
PID 656 wrote to memory of 316	656	chrome.exe	36

C:\Users\Admin\AppData\Local\Temp\Update.exe
"C:\Users\Admin\AppData\Local\Temp\Update.exe"
1⤵
PID:1344

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:656
- 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef70f9758,0x7fef70f9768,0x7fef70f9778
  2⤵
  PID:764
- 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=1156 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:2
  2⤵
  PID:1688
- 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=1464 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:8
  2⤵
  PID:1864
- 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=1612 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:8
  2⤵
  PID:316
- 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=2160 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:1
  2⤵
  PID:1344
- 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=2416 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:1
  2⤵
  PID:320
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1308 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:2
  2⤵
  PID:2284
- 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=8 --mojo-platform-channel-handle=2360 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:1
  2⤵
  PID:2384
- 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=3920 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:8
  2⤵
  PID:2404
- 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=4044 --field-trial-handle=1296,i,12852184505959713598,1711378797415794544,131072 /prefetch:8
  2⤵
  PID:2420

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
PID:1860

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:2100

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\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

Filesize
4KB

MD5
2f7533c68b62f87103fd54d88b1eb3b7

SHA1
1c47710b6be708df4216b1c681dc5e5e24b93468

SHA256
1f8b837ccc5bed870202ca753518e7317643d0605ca9a7db896e0a0be15e393b

SHA512
e37471cc72415d37df9b6cb66cd1ab17c6f4f52fbbc9eb391cb523d6514b4415e217b6f84e85126c24d438dc912145772690dd0c40a01804cbf3a63304bca7b3

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

Filesize
4KB

MD5
5adbcf3b8a5c97f553659a8952502c0e

SHA1
ae29d0213460bf76d4efcc1e7c5b4d3718e55353

SHA256
7597edc9bc62d3014d03f98c2074e990d0a9b8abcafee05c2f359f5c4499023f

SHA512
723fde3281b6b26583d8d50aacdda3a0e551da9fb1b4ab6554884c8b91bde1feae4dac11e017646b0e4051ddff5fc28479b70514310275f4636481a3083fb91d

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000004.dbtmp

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
memory/1344-54-0x0000000001320000-0x0000000001496000-memory.dmp

Filesize
1.5MB

Download
memory/1344-55-0x0000000001280000-0x00000000012C0000-memory.dmp

Filesize
256KB

Download