23707a9bd5658532353a09733d1b24b0033b2fd7d7f7cf890a9f52fd0727cd11

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 12:28

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General

Target

8c529b868029a2861d2e9762caf08c40.pdf
Size

81KB
MD5

8c529b868029a2861d2e9762caf08c40
SHA1

abeeb6dab88ec578938661777d174ad0ff9c7f02
SHA256

23707a9bd5658532353a09733d1b24b0033b2fd7d7f7cf890a9f52fd0727cd11
SHA512

fbabdb1831c7bdb7820483a1da36bf2115d00b6eeabb212320c91ac57a76e8a02c8c8e03ce6960f06345f648cb8ea7665ed168d7504f974976d9ffe3d5deac66
SSDEEP

1536:ltKKZX0GmPOVyPBfF2ImhxQtTUizeGPZZ16fCWjT0L5X41MWspORugr:eKZXZVEFroovNPZX6fR+5X41nRT

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
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4292	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 1220	4292	AcroRd32.exe	86
PID 4292 wrote to memory of 1220	4292	AcroRd32.exe	86
PID 4292 wrote to memory of 1220	4292	AcroRd32.exe	86
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 1008	1220	RdrCEF.exe	87
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88
PID 1220 wrote to memory of 2380	1220	RdrCEF.exe	88

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\8c529b868029a2861d2e9762caf08c40.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:4292
- 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:1220
- - 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=AE1E5887530CCC4D134A7B672CA4A7EA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=520D15B15D158047454AFBF62DC63713 --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=520D15B15D158047454AFBF62DC63713 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2380
- - 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=CCCC77D6D390756A60FC3B3CE9F4F50E --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=CCCC77D6D390756A60FC3B3CE9F4F50E --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3424
- - 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=247C4AFA76C47B746D57BDC425C40B59 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1952
- - 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=5CCC79DDF414A9F050DCFB785A0C0B64 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2516
- - 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=143B2E80AB50118AEE39A9047888E3B1 --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212

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
ba395ba695e20d84c8c39bbc73efd576

SHA1
cb44b447dd30bb7c2dc67c6f9ff198d5a9344ed7

SHA256
dc16e90b5a09e3a482dc066702760f1a9b3ce51500d22cf6fefeaa9d8fb4cdcf

SHA512
afdbd49cfaadfd000757e15b6cdd48a9c2f09a461d2b184cea7d612e65660104ff3806e48b441db198a17fdc88d893bd1629a3bb861b03160b1479c797241d63

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