5975e1000e969dd9567b909ee75c2bc3ee770556046a98c7480c4aba0cbb24de

Analysis

max time kernel
153s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 06:31

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General

Target

2bc7109c6643cf4eea0afcd746034d3f.pdf
Size

100KB
MD5

2bc7109c6643cf4eea0afcd746034d3f
SHA1

237d313825ab26c94742cc33cf49f99403a36014
SHA256

5975e1000e969dd9567b909ee75c2bc3ee770556046a98c7480c4aba0cbb24de
SHA512

96c6471c0129a3428d83fc9111ba6d8b49f5a0b4076825c932936bdef73f15a98a40242a9cf78a0d4623cd2c71a72d7bbf60af3975bfd795a3197e5414d95bed
SSDEEP

3072:BPF4WWgbhOh8ovEzsZ4qmgEOVq/wr43nqpzO+l:VFvj4Z0fna

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
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 4740	4588	AcroRd32.exe	90
PID 4588 wrote to memory of 4740	4588	AcroRd32.exe	90
PID 4588 wrote to memory of 4740	4588	AcroRd32.exe	90
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 644	4740	RdrCEF.exe	91
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	RdrCEF.exe	92
PID 4740 wrote to memory of 4988	4740	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\2bc7109c6643cf4eea0afcd746034d3f.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:4588
- 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:4740
- - 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=646A4A2B324B623239B074FD62A52A61 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:644
- - 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=7DF6993DD905AD930FF9B0A92296120D --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=7DF6993DD905AD930FF9B0A92296120D --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4988
- - 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=94E542C28684AB78255C190E7C398BEA --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=94E542C28684AB78255C190E7C398BEA --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4856
- - 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=850865BD5A5C3BE811AA1959093272C2 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4000
- - 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=A48226B93B66C0C7104FBCF261ED374F --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:820
- - 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=4B091038EA0C061B02956C7B1C601176 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4612

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
eb7f39eb966dcc0ca1970654278302ff

SHA1
1879a4989a599d327cf497a1a1506e8edbba4824

SHA256
9198235e012352411559d0cbc53ea8f2d8ac22ad2b57a6264735474c7c3739a4

SHA512
c386a7bf48c2733c7c7cc8c2d5206e98d5992fc13a28d068e3bac126a2455d4cb194482595b4b150141dd57c0d2ce9c7c3341066858b72985de4049495ee1cae

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