54f735c5498c0367a7516058e0a573728a107b5ea9acd33c1b0c8743b38171b0

Analysis

max time kernel
153s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 03:18

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General

Target

c2531970795c1243801a20668d9aa9a7.pdf
Size

14KB
MD5

c2531970795c1243801a20668d9aa9a7
SHA1

3fb7153c6af5ea470384635a299b31e1499019c7
SHA256

54f735c5498c0367a7516058e0a573728a107b5ea9acd33c1b0c8743b38171b0
SHA512

7c1ebb2fd7e93a6250d5a2c51ea68337484e8e0929b7cae88661eadeda4adbc7fa7d6c59febb8c583223c60bc7229ffbb9d9d533cf4d2d8d71c7e40a5e18e510
SSDEEP

192:JQhzajYqwAO9G+/vQaoImJxg22FtscgM2LmHYrbXiwvQNi/60un/TrOfHPb3dzQ:ehzaNwAO9GiQ9Iaxi6Qi/60G7rOvz3ds

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 2988	1136	AcroRd32.exe	104
PID 1136 wrote to memory of 2988	1136	AcroRd32.exe	104
PID 1136 wrote to memory of 2988	1136	AcroRd32.exe	104
PID 1136 wrote to memory of 2588	1136	AcroRd32.exe	106
PID 1136 wrote to memory of 2588	1136	AcroRd32.exe	106
PID 1136 wrote to memory of 2588	1136	AcroRd32.exe	106
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 2504	2988	RdrCEF.exe	109
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110
PID 2988 wrote to memory of 4556	2988	RdrCEF.exe	110

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\c2531970795c1243801a20668d9aa9a7.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=45495BFC6E2AD4826BDD8A53F00AEDDE --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=ECAC9E036037AD284D512503ADD5A372 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=ECAC9E036037AD284D512503ADD5A372 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4556
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1159BC8C30173F5B0B59864D3E606759 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=1159BC8C30173F5B0B59864D3E606759 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4284
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=69448B494E1482EE02206617AF13FA1A --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5200
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=D304978A564B7A7224D9DB1652D071D6 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5292
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A0937D7C4D44306354C851C7B29176B1 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5400
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:2588

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5160

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4476 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:5888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
74cde1dc1f4a1c9b95d38eecdb9b4181

SHA1
be945370a1910bea0b91865c4a0f46b97c16220f

SHA256
423d7e27a57e778b87f3d7c378d359f41846fff6063d4c3b2ae9e6d37c1b2df7

SHA512
0481959e4326cf2b6d96df56c72f5d09cef043c401e276c3eb31e42602d23ff505c4039603082508ee2263596661dacabadd169f574c460bb877f736e3692a50

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit