92a1c6b58b715341d2ead8d3e326a0146310974413568f4df0504634be3bb3a1

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 12:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bb3b8847121a7a6b50a2fe82393d9bf7.pdf
Size

70KB
MD5

bb3b8847121a7a6b50a2fe82393d9bf7
SHA1

b5f73770f1056ba651be10d54bf89c9493d9a69c
SHA256

92a1c6b58b715341d2ead8d3e326a0146310974413568f4df0504634be3bb3a1
SHA512

7954538f807fd28a9e85dc6a9d349f23064e8fb411f414f88616125e242b31f464f92b846b2ad0ea4ad0dd542ec935f355f7e3e035d1c98e351cbd8dbb7ac3d2
SSDEEP

1536:KI2plV0YHhVidAc5e8tBiVv4X6WJw4bdUKYxnc+c95bVgAz1:f2vThVOeWBiVkmcUKm/EVx1

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe
840	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 4964	840	AcroRd32.exe	89
PID 840 wrote to memory of 4964	840	AcroRd32.exe	89
PID 840 wrote to memory of 4964	840	AcroRd32.exe	89
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 4524	4964	RdrCEF.exe	90
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91
PID 4964 wrote to memory of 1320	4964	RdrCEF.exe	91

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\bb3b8847121a7a6b50a2fe82393d9bf7.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:840
- 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:4964
- - 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=69707BFF4CA21D9CF9481F36DF255F44 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- - 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=DFED22A8A13CFB9BCFCB82962CB8F755 --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=DFED22A8A13CFB9BCFCB82962CB8F755 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1320
- - 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=07A8E7CDA52DDC3EF41332968220FD61 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2920
- - 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=B52B397CAE7BBF65B85C9E6606907901 --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=B52B397CAE7BBF65B85C9E6606907901 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:572
- - 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=47E83BE54FC119E8FF1AB6DA432D5665 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:312
- - 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=7D928339EA0CC1F2485FD14219A99A8F --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3652

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
4964ed8416f589046ad71aeb5582539c

SHA1
80b8f714436e5819dce8060ca7e8af24fb5ddc75

SHA256
7bd83483c08e41509b71d673f831d40d72a95d213c11e38bfb833998094acb7b

SHA512
bb008dad7f00d0666d9ed86c17cbb42744e68bb10eea8a703a01bb160302d3b68b1cbc81576c3aeb48d208ece02c4b9c8a0ca03f2a6dc8d3e0d02dcefea980ec

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
memory/840-28-0x000000000A580000-0x000000000A5A1000-memory.dmp

Filesize
132KB

Download