hxxp://exchange[.]kueezrtb[.]com/

Analysis

max time kernel
0s
max time network
58s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 16:31

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General

Target

http://exchange.kueezrtb.com/

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 2 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

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 4984	4308	chrome.exe	13
PID 4308 wrote to memory of 4984	4308	chrome.exe	13
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 2544	4308	chrome.exe	25
PID 4308 wrote to memory of 3636	4308	chrome.exe	24
PID 4308 wrote to memory of 3636	4308	chrome.exe	24

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,0x100,0x104,0xd8,0x108,0x7ffdddff9758,0x7ffdddff9768,0x7ffdddff9778
1⤵
PID:4984

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://exchange.kueezrtb.com/
1⤵
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:4308
- 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=2876 --field-trial-handle=1884,i,6957177101209269507,14489465689810249621,131072 /prefetch:1
  2⤵
  PID:3364
- 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=2868 --field-trial-handle=1884,i,6957177101209269507,14489465689810249621,131072 /prefetch:1
  2⤵
  PID:4652
- 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=2124 --field-trial-handle=1884,i,6957177101209269507,14489465689810249621,131072 /prefetch:8
  2⤵
  PID:1964
- 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=2144 --field-trial-handle=1884,i,6957177101209269507,14489465689810249621,131072 /prefetch:8
  2⤵
  PID:3636
- 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=1644 --field-trial-handle=1884,i,6957177101209269507,14489465689810249621,131072 /prefetch:2
  2⤵
  PID:2544
- 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=4960 --field-trial-handle=1884,i,6957177101209269507,14489465689810249621,131072 /prefetch:8
  2⤵
  PID:3720
- 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=4868 --field-trial-handle=1884,i,6957177101209269507,14489465689810249621,131072 /prefetch:8
  2⤵
  PID:808
- 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=4956 --field-trial-handle=1884,i,6957177101209269507,14489465689810249621,131072 /prefetch:2
  2⤵
  PID:376

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:4340

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\Network\Network Persistent State

Filesize
1KB

MD5
9795ce4ceb365e7033cc548079015d9b

SHA1
3a26937cd3c137f0818dc71f5b98aa08eb842ada

SHA256
04a6d492d98d79eeb13e6129873e1664d8264632268fd494ee2c84eae4850e30

SHA512
056b0c4685a4fc8f6f3357600e131a218e9381f7e9d7d825848a667511b713ed4310ab66746c7398730d5a41275e2cb74db57c2e5632e3f709dd5e3e3c7afa18

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

Filesize
6KB

MD5
f381189383f6bbb70c156a6ff4dbcd40

SHA1
3c902f9d481b28f277a319674e3067d69bdd0910

SHA256
e590baefe469b8950f8381eca63cb3a5631bcf362665e180503bd2f80129b25a

SHA512
16802693cfd0dbb169598bacb5f16e2da18183eda5750d9793175b56a16026bd14c96f0ff7ab37ceb9c1772f4548dd1d9ab6a88c232055cb309927368454a053

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

Filesize
29KB

MD5
7f47aa7f6bf48a72cb42e3bb5564ec0e

SHA1
705a4284e2d7303432ef35a5ff551b8633ac0cf1

SHA256
11ded3e11a1cd3310349b100cd2a1999c3f7309eb6be3c7651b5814c59651980

SHA512
481de618a5f70283ee98541b3629c8643278170e6407d980bd35fe3d3d8c950c38a9cd97d59eb274617ebf4fa91e9bc1c1441833381f9dcbd31f4ec096ea0032

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