d20c25a0cc471d2ef83a781187327fe324be2514d19e140ca1316a1d93d249e1

Analysis

max time kernel
166s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 22:01

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General

Target

afd9c3cf7c8e038d5be73c941775b49d.pdf
Size

87KB
MD5

afd9c3cf7c8e038d5be73c941775b49d
SHA1

87da9af8b43c60b2345219881541298de9b7b913
SHA256

d20c25a0cc471d2ef83a781187327fe324be2514d19e140ca1316a1d93d249e1
SHA512

723921f8a9ad36951d828ed35bfb2a10c2baddd00aa4819dc4a7424a59dc5011c68173ff127cffbb55c9174eed78505b0ee68c2048b2c47536d56fc999e2dc46
SSDEEP

1536:35wnjhA0mMDm7VavYyFp/ElKKstjQzFVuE/WbRFJQp6zSKv8cWcpOmas/:JwtA0ZDeV2FhEEKiC8E09G6zSKv8nmP

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 3416	2136	AcroRd32.exe	92
PID 2136 wrote to memory of 3416	2136	AcroRd32.exe	92
PID 2136 wrote to memory of 3416	2136	AcroRd32.exe	92
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 2832	3416	RdrCEF.exe	94
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95
PID 3416 wrote to memory of 3500	3416	RdrCEF.exe	95

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\afd9c3cf7c8e038d5be73c941775b49d.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:2136
- 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:3416
- - 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=58F42C4091394E78094D4BD82B3733EE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2832
- - 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=E1D99E2491F0F96231E3F333008FEA90 --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=E1D99E2491F0F96231E3F333008FEA90 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3500
- - 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=61BC499D921400A6B09A887D4ABC3537 --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=61BC499D921400A6B09A887D4ABC3537 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4800
- - 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=787A5AFF9CF993A804B806D458C3C4D6 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1960
- - 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=9C418830E57C0F21E422A6ED0850942F --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1316
- - 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=62807013AC47958250B050D76D0F5324 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3996

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
e535b372bd8fce95d8bb4a761b6f72d7

SHA1
f1a7cafc9e0591f0b83a0cd21991dd9cdeb03096

SHA256
7d36f6e51ae56b69171a4fcb2c0cde314b395b5d28426e943c14c2005063d0f9

SHA512
9a93ecff8cbc18cf9d90d70c899e57edc87a9a1ef3cc1c2e030732ec9a58001ed9a1aa0113410a2a9f858a9b572a764ab94bb4aecb4e9be2c439148afe5340e2

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