3bb5dce24e4366d160fc98e00fd93087dee4f56bad92af1823aa4839ead8c769

Analysis

max time kernel
170s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 06:35

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General

Target

52cc4e869c507229c89a39da2154386d.pdf
Size

33KB
MD5

52cc4e869c507229c89a39da2154386d
SHA1

827d4505c9bbebe3d36e20d0eb470db4bdf5559d
SHA256

3bb5dce24e4366d160fc98e00fd93087dee4f56bad92af1823aa4839ead8c769
SHA512

dba38aa611c95bbc33efec0978d136c2ef54aea4a0e74a6c5457d78952d8526aaff982573fa5909ad94c554e37f744ded36c7c75c252a3a6db8fd3b138ed9392
SSDEEP

768:YEhRfgFCccsQJfTpDZLDlp1X22GqRubMNJb/AaR/EBeX:JhRXpDbLm2dRuw/7A2aeX

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
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 2524	1808	AcroRd32.exe	90
PID 1808 wrote to memory of 2524	1808	AcroRd32.exe	90
PID 1808 wrote to memory of 2524	1808	AcroRd32.exe	90
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 4008	2524	RdrCEF.exe	91
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	RdrCEF.exe	92
PID 2524 wrote to memory of 3868	2524	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\52cc4e869c507229c89a39da2154386d.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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=205F9C7E8088CCF3E4DCBB25DDB17B34 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4008
- - 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=692E70213EB9EA7362DA33BFE1F057CD --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=692E70213EB9EA7362DA33BFE1F057CD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3868
- - 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=5B4635734883EFA9D2623800E0A6FBD5 --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=5B4635734883EFA9D2623800E0A6FBD5 --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3452
- - 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=A30BD5CCD78520A25355D9262547A9B6 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1820
- - 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=CC0E425F0393D64D13A2ADE93910CAF0 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2540
- - 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=5084DDE8A4C8D64849D660FDCACC1380 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3500

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
74a15c1e83d6220968d81917dea37fa2

SHA1
fc075962a2d7d22cf89ce3e65c168d094df0f493

SHA256
41a8a92d6c1e4787273928712a06950f138d74a3220012c539589ed70478fb72

SHA512
f299bd98e692f959626012cb1eb06ba39f33c49e2dde3fcd701c6844a78b0a605bb269da8085f7a292b47d05ac03d0035bad3e079eb00ef8411b994d8be1a713

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
memory/1808-28-0x0000000009F90000-0x0000000009FB1000-memory.dmp

Filesize
132KB

Download