29d6d4a243b038ce71a039fbe149edbc6f02aef73ccf288b1fce81146b05cf84

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
24/10/2023, 13:19

Sharing

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General

Target

3d611cef336f33e563f7a729d2538b39d0570c525be2dcf0cfbdebaa87a45a9f.pdf
Size

159KB
MD5

bb9fd1e949fc43f04360f5955f3315ac
SHA1

80e10334cd32cd2eb255548dfe40872dddef34fa
SHA256

3d611cef336f33e563f7a729d2538b39d0570c525be2dcf0cfbdebaa87a45a9f
SHA512

b1cb4900b6f79dfe13feb8146643c09590a5de502fce1d4f898a68cf82d0fb5b3751c071d2095bdb9aaf11f9844558414bd62befc77bc8c55a1c62bccb90863f
SSDEEP

3072:9ym5pR+AgvwWwdAIPAHKeydx5VMPJqzlS+eqdtyF:km5eh/wmHKeyn5+4pScdQF

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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 864	4680	AcroRd32.exe	90
PID 4680 wrote to memory of 864	4680	AcroRd32.exe	90
PID 4680 wrote to memory of 864	4680	AcroRd32.exe	90
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 3904	864	RdrCEF.exe	91
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92
PID 864 wrote to memory of 4156	864	RdrCEF.exe	92

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\3d611cef336f33e563f7a729d2538b39d0570c525be2dcf0cfbdebaa87a45a9f.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:4680
- 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:864
- - 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=E3AC272D24FF54B355348DEA390C7EF8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3904
- - 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=AF21A799500ABEFCE8BAA1E810E4CC54 --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=AF21A799500ABEFCE8BAA1E810E4CC54 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4156
- - 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=F00F22637D2208265E53B41FF0F56F03 --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=F00F22637D2208265E53B41FF0F56F03 --renderer-client-id=4 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1808
- - 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=CCB5EA00309B87E50066F6134C755C91 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3656
- - 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=444D0AA4448A968C5400006B78ADAC50 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3468
- - 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=9A13ED03C428B750BD33D81690862790 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3076

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2660

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
2df78d1b64854e6f0593e607b52d579b

SHA1
05ffaa73fdfb970baddf874e769bf6fcae92f481

SHA256
b98de04cd25a93cddd499f6741b52b94c87168bf7dec79f1c66a5425a9d0287d

SHA512
faab9ddec85ff00074c257b47270bc031041ae30cb3c35e396017a2facff6281bfa94cf06738244c26098f3cfad3af3a0bc2fa21d02f342d666dcba5c790411f

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