b93904a0ab55af14ee6d309677dc2685dc6f00619d61c66b94e6b2e3fd89a272

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 08:09

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General

Target

c563d1a4e93d1c5f740ec0f0562fd6f2.pdf
Size

86KB
MD5

c563d1a4e93d1c5f740ec0f0562fd6f2
SHA1

4ca92d3b0371fe88b2a2af6dce2bdb4452453ac0
SHA256

b93904a0ab55af14ee6d309677dc2685dc6f00619d61c66b94e6b2e3fd89a272
SHA512

8fcfd458cdb82d1528a9f5b5ccc0c9f5c52d24db1edbd5893096d01597d7d08eca1d3fcdc8777a66f6702ca0cccb120d5c35e9510bf58e7e13bcf52c4c56fe3a
SSDEEP

1536:sX9tNEF4vqg7uHZDTtmp/AbHGb0bxbIWwD7cXoVIdDpHW15v4WG+qF0xoZhLW8pI:m94F4vqg7BpYz8+Hw3/Kpp215vNqFhhw

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe
4992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 3924	4992	AcroRd32.exe	95
PID 4992 wrote to memory of 3924	4992	AcroRd32.exe	95
PID 4992 wrote to memory of 3924	4992	AcroRd32.exe	95
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 3736	3924	RdrCEF.exe	98
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99
PID 3924 wrote to memory of 4612	3924	RdrCEF.exe	99

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\c563d1a4e93d1c5f740ec0f0562fd6f2.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4992
- 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:3924
- - 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=6AB761C7D97547C52E43F778BE6790D7 --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=6AB761C7D97547C52E43F778BE6790D7 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3736
- - 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=428E54109B579BFF1E4F9C0F0DD0AADA --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612
- - 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=B17132A2E2BDE79BB87878A59D56934E --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=B17132A2E2BDE79BB87878A59D56934E --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3532
- - 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=47D8E0288883080E40D275395D9F783A --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4440
- - 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=F6BCB8E3655222D5F040484A032A3958 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1244
- - 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=7E5FF24DAD982488ECFC001F99243AF3 --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3932

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

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Downloads

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

Filesize
64KB

MD5
4848e201b02de33e4ec0b5621e285f1c

SHA1
0831540c01f5bad5d4d76d12e13f64a07e6bb7c7

SHA256
00750f5b1c909ab33ec71323da69fc0c088ada7bb7b8a9c58b9bef214f266ae6

SHA512
cde7f78ce07d29d92ffe0d325bfc23542ac54f2506517c1d234aa71ad6e5a127856a71383891a2e5b7ddb68aaa0f5ef96c0877501e3825736bce1b256ababb4b

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

Filesize
64KB

MD5
95afd7a2cd58ab93bda4f2769bce0a93

SHA1
037130490ad398124b994bfd958b06eb782508c6

SHA256
d207259096a732f3387b15956b746791b419629da6a4e6d42b96d02c2cf22155

SHA512
6c0ee5a99c925e35956313f0c4f051d5b4ebd1cde0f2d6512f8bd23bbf046cf72fe978de8eea82712015e62c80927c619d302d285370b146c86fc465ae942c84

Download Submit
memory/4992-30-0x000000000B910000-0x000000000B931000-memory.dmp

Filesize
132KB

Download