a134fb351c033d80e82e00d3bc3950191b7a52d209b08b8cf09a9fd4d0046c12

Analysis

max time kernel
150s
max time network
156s
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, 06:28

Sharing

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General

Target

c533336d076c5a4e23ec63b49e6bfb65.pdf
Size

87KB
MD5

c533336d076c5a4e23ec63b49e6bfb65
SHA1

9ec2aaaa3c0839a734506ddef02828132c606499
SHA256

a134fb351c033d80e82e00d3bc3950191b7a52d209b08b8cf09a9fd4d0046c12
SHA512

f87b12423e98ead64427754889552daa5d128aa50cec997dd01698acbf163df25d1b7218920de2c49136b608ce6287cdcaafd3099fd618b083730583fd09aa33
SSDEEP

1536:gZ2pUWO6nkV/G2tD8fuaKRw5CvldXiQIGSSW8pO73Wox8pwp3Ex4S:ppFHk/G2tD8fuD0CLXi2S57vbp3E7

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 3840	3132	AcroRd32.exe	95
PID 3132 wrote to memory of 3840	3132	AcroRd32.exe	95
PID 3132 wrote to memory of 3840	3132	AcroRd32.exe	95
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 1928	3840	RdrCEF.exe	98
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	RdrCEF.exe	99
PID 3840 wrote to memory of 4072	3840	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\c533336d076c5a4e23ec63b49e6bfb65.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:3132
- 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:3840
- - 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=59A4EEDC2D567D677E51CEDBA99D1162 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1928
- - 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=0960E8C7A3DDF7EDABF26B3DCABC9762 --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=0960E8C7A3DDF7EDABF26B3DCABC9762 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4072
- - 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=6A970E5B8D1AE36451029A31C0898411 --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=6A970E5B8D1AE36451029A31C0898411 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3556
- - 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=75D228F0B55049FC3B2A8B7E134B1199 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2904
- - 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=3A652903E904445A3B07FA8FE3E96528 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - 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=2221B7BDE342DCE3215A4F4168C16E95 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4700

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
36de96d3e0b915899ae709e106d060b8

SHA1
947d0a654e63e5a5863cf370ffa2e62d6699ead9

SHA256
bc4af9ee5ae16c6a8ad39011018e24d6aaeb135099f1547d80d73ffab9e4fed6

SHA512
26e72cb21c1e405aa92617a167cdcc746c326f41cbcc62c6a1eb39ae5d818134eddf3c806ff360397694d4e9e154cca287299def51a5b6ceb0e111e6f93466e0

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