832426d4305b9748fb55e45ca393f83663c2672eac8bd24b3b091e317a14b28e

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 19:21

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General

Target

018bfaa70be61680eac7c0dc97205bec.pdf
Size

88KB
MD5

018bfaa70be61680eac7c0dc97205bec
SHA1

c638931783046e397c8fa4984a578fb0eba4c52d
SHA256

832426d4305b9748fb55e45ca393f83663c2672eac8bd24b3b091e317a14b28e
SHA512

e171a26e3b7646d2291efa70907cf2e82cc3bbec7846a9890827e347cb6c7179b1bbdd9c53fc2b634c276006520d215aaa1fe2fca4d841419325e87ee2b959cd
SSDEEP

1536:oEwczyZvktybc8Zl2Lkyi3Hlbu72QDgMA7yeVl9EWOpOaZEWILBmxsBjUY4V7:xuUybh2Y1bQ0NOwlaZNsiZ

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 940	4080	AcroRd32.exe	91
PID 4080 wrote to memory of 940	4080	AcroRd32.exe	91
PID 4080 wrote to memory of 940	4080	AcroRd32.exe	91
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 2732	940	RdrCEF.exe	92
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93
PID 940 wrote to memory of 3452	940	RdrCEF.exe	93

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\018bfaa70be61680eac7c0dc97205bec.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:4080
- 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:940
- - 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=B78AD06B9C3A1A773C829DC9280D28B3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2732
- - 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=9E542FD0912DDC9D55DE490D37067ADA --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=9E542FD0912DDC9D55DE490D37067ADA --renderer-client-id=2 --mojo-platform-channel-handle=1916 --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=27771FC6E47D2EA9BB37E2490F08FA43 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1848
- - 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=FEE7EB415FA786A2985F845D678EF6D9 --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=FEE7EB415FA786A2985F845D678EF6D9 --renderer-client-id=5 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4860
- - 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=4D3DA7C9527F4939ED0A962A29C04233 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:412
- - 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=4005280993129C9DE17D4F7D773B07E2 --mojo-platform-channel-handle=2816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2280

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
ec06569311a9c987c5d31bda45aa3920

SHA1
35e955e3d8d5156bb1f70fe1d192310ddfaa7f97

SHA256
d631fb8eae3cabf0b5c2e04c835de91c85d1857aeeb41eae5bdf9c41cc3dacd4

SHA512
8ccdebacf181b7e16a67b8cf15d7b3523950bd6594fa03d6b71b71223f0221fb9142052d7659f54d93d1d5a706654930b709c4e52d0ddc12da2ae74fbbf47462

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