4b0fd7658999c23737e6ad7cf98077d02d314175717316405bc4a04212704891

Analysis

max time kernel
144s
max time network
153s
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, 10:46

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General

Target

0c390072a773d98d5f36cb1dc3451f7b.pdf
Size

87KB
MD5

0c390072a773d98d5f36cb1dc3451f7b
SHA1

a083590adbbdca2bcbc2ebfe3c151597da067cb8
SHA256

4b0fd7658999c23737e6ad7cf98077d02d314175717316405bc4a04212704891
SHA512

fee57a1748352e48bfb2502c73b7f803196b25e814c0846e6ae535f330b9113621e3a16594921a332c004717ad9e88c86bc9abe02c4924ac8dd39a1aefbc3920
SSDEEP

1536:s11GoPHFr6GZkn+M7Kvz53ssW0CZxj/D1VOH6AsuwVLWxGlhq7I7dRsWapOnRMu:Itjkh7Kb53NW0CZlBkaQkUahiIxRVn/

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 4764	2604	AcroRd32.exe	94
PID 2604 wrote to memory of 4764	2604	AcroRd32.exe	94
PID 2604 wrote to memory of 4764	2604	AcroRd32.exe	94
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 524	4764	RdrCEF.exe	95
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2992	4764	RdrCEF.exe	96

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\0c390072a773d98d5f36cb1dc3451f7b.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:2604
- 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:4764
- - 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=C812C84EEA741B744FDA6B8A21F5F0A4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:524
- - 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=056B8B94576AB655FA0587B838ED087E --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=056B8B94576AB655FA0587B838ED087E --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2992
- - 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=67A5A366E80CB5B3945C26C635F13E96 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=EA5FA242131D621C00A394B425A65D3E --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4984
- - 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=A40828AA29CC78394F0CD2DFAE863236 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- - 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=5BE2BBA8BF2CB13F533CD1BED2D5DCEE --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=5BE2BBA8BF2CB13F533CD1BED2D5DCEE --renderer-client-id=8 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3392

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1760

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
37KB

MD5
46bbac9572e7c7779d1514c24fc3a4b7

SHA1
2df54e6fbde69cce6dc46c8b437d879a27a9598e

SHA256
6a47dd500dc2f29052273c24b94e48b2f7f8f6b99889cf802250d994640a236b

SHA512
2aea803ba5ed54eb1eae1eec5aa200e25f648c1e605de8186b2a48cc1b4252038c3f4a3e35d8ff2f2570a45e4898c992899439df5ace6dc4bfd0b27e831af7ff

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
42KB

MD5
5a4cd890ab3168db9b95ac590d3f0caa

SHA1
97bce8b15a3c276e3817b419557f5ed3f65cb52f

SHA256
bf485aa84cfe647d96b5d977b0bb88e68790b24a4ab28e30bd5e17abc72968ce

SHA512
edec99ec94a0cc462010d354dd4be119fec5eaf52ea0533f00d638be795796efd7866f03aad71d0fd1dcdf8aa00a91d012803c019c317272712272e38df3a1e8

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit