6b995b61762208ad422d7ec13fabfb903208914e4263ca14798d897c4d39ac9e

Analysis

max time kernel
151s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2024, 19:18

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

a9f5224d7e8e19f44050f87ae13ed227.pdf
Size

89KB
MD5

a9f5224d7e8e19f44050f87ae13ed227
SHA1

140b2d5bcec4c5e0c3f2fe65e1f7668e55ae9f49
SHA256

6b995b61762208ad422d7ec13fabfb903208914e4263ca14798d897c4d39ac9e
SHA512

e4d3406e5fc779e6387a5f9d52efb38a539e8130f31bad10e7bb33a2cbeea447727d4e6ddedbd1a75c8e125424e3793dfddb1fa7fe5eefecaffa27af8eca05b4
SSDEEP

1536:H62JAaw7FVc0q9Mx3qy0IqddoOWa01F0QWQIcH0NlFLP4LxsWWG7RyRyWspOSJ1u:5OaGT53adJpcGQWQtHE70VXyRxSy

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 4724	1944	AcroRd32.exe	98
PID 1944 wrote to memory of 4724	1944	AcroRd32.exe	98
PID 1944 wrote to memory of 4724	1944	AcroRd32.exe	98
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3916	4724	RdrCEF.exe	99
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100
PID 4724 wrote to memory of 3136	4724	RdrCEF.exe	100

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\a9f5224d7e8e19f44050f87ae13ed227.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:1944
- 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:4724
- - 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=D9FF9AEC7E141268B37AE1903E5A9AA6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3916
- - 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=6AA0AAA2AF58004CADA2F1EF1F951CC9 --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=6AA0AAA2AF58004CADA2F1EF1F951CC9 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3136
- - 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=26CF9C09ECB47F2BD488AD69063A5528 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032
- - 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=94A60CFD6DE1C0EFD0BEF438B3CCB505 --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=94A60CFD6DE1C0EFD0BEF438B3CCB505 --renderer-client-id=5 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4492
- - 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=60728B17EF4D277C233CE4069BD01092 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3592
- - 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=8A9AEFC1C39678E669F2DEF2A24048B3 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:320

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=4024 --field-trial-handle=2240,i,16875000905773190493,11379096115878622792,262144 --variations-seed-version /prefetch:8
1⤵
PID:3400

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
2741a115252f9cadae17506f42122ccc

SHA1
099f6d9ed855c8a6dcd12bcd2bf96e85ef015675

SHA256
33ca6e773a64517452ffdb259cb6f1cb03263221d717ab9c41e70aabb4f1c354

SHA512
dae90938fd1af0b4f758609059c6381826af86a0204c633af52e6575cfcf4c2f2af8d1fd502622ce5d329c6d802a3e343472bc6fd5bb34fe18541e9f133dac5d

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