f0401294737482ee9ebdbc082f4ef2a87b6d194aa7eac59442af6398d697fa30

Analysis

max time kernel
140s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2023, 22:20

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General

Target

FIN70735_BUSINESS ORGANIZATIONS INQUIRY - VIEW ENTITY.pdf
Size

88KB
MD5

2caa0480555fe0dd5fe7100f9bfeccf9
SHA1

f90174df854a9178eff24adc18170797bd07f88e
SHA256

917d34d869cd454e2a95a9a841bf6fb83f998c50aa6297b0a097d90850f017a4
SHA512

459f58d685ec7962bbbe79e189a28db997687bd206d516c3d7d34a6b8ec407a116c0c73ec5c22ff7e3bc9c0ae70b50757cea7fd6c367a9f36997dfdb1d6e6791
SSDEEP

1536:kfW1lLJ9iZKqEWlUjf2M6cjnziqT9nyLA4bIEoO:eW1lLJuYvjnBX4bIEt

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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 728	4088	AcroRd32.exe	82
PID 4088 wrote to memory of 728	4088	AcroRd32.exe	82
PID 4088 wrote to memory of 728	4088	AcroRd32.exe	82
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 1936	728	RdrCEF.exe	83
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84
PID 728 wrote to memory of 4920	728	RdrCEF.exe	84

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\FIN70735_BUSINESS ORGANIZATIONS INQUIRY - VIEW ENTITY.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:4088
- 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:728
- - 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=8036FCCBA83C3959F497769230AA669B --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1936
- - 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=4D9C545F4822EDA89BFC2D29FA4DE2DA --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=2 --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=4D9C545F4822EDA89BFC2D29FA4DE2DA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4920
- - 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=A5138F78CB66EC2AB6AFDE93B30352E6 --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=2 --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=A5138F78CB66EC2AB6AFDE93B30352E6 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2508
- - 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=C93C06562899DF54DBBAC84622921969 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=FA1C3E20823148FAA59B429757DCD83D --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4480
- - 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=8BFC150F87282E7A93A23083A4AC5B6F --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:404

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
346e5969940613d33d18d415d032a927

SHA1
1ec5b9518586c5cb49a18ea9746f2e9f6510a1e7

SHA256
8f93f66266677738d80e4b6451625f5a394850f824cc948789b93ae7fc4298b8

SHA512
14efeddfb7ab918469d6f76e0b3942c6520e667b5371fed613bdd06a860f770503810a0613018e3d169e2f2e89813cc837257aa8a1107b1e76f75f35bac5fac2

Download Submit