36acb05a2d80fd1c8786334fc196ffa18b867f810429b4822607668612858c00

Analysis

max time kernel
143s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 14:21

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General

Target

1b4027af1dad07991047719e0dfef4fa.pdf
Size

99KB
MD5

1b4027af1dad07991047719e0dfef4fa
SHA1

4cb808941d4af601efa11ebbed6cbaae2aec41c9
SHA256

36acb05a2d80fd1c8786334fc196ffa18b867f810429b4822607668612858c00
SHA512

ce95c38901c05cdba70c86e0e2e5ef9212a59d9ca0cbc4bba5a8b8ab2fad55ead8e5d63959cfb5e47ad99d815e47a8017d57c7eb0cc8bf3132930c8e71df9a9e
SSDEEP

3072:Nb+w7Vv/nF/2EJJ73HCD11uRTKMP8tQ+EAt8Z:Nn7VnnT73iD18Jw7tu

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 3840	1404	AcroRd32.exe	90
PID 1404 wrote to memory of 3840	1404	AcroRd32.exe	90
PID 1404 wrote to memory of 3840	1404	AcroRd32.exe	90
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 3076	3840	RdrCEF.exe	91
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	RdrCEF.exe	92
PID 3840 wrote to memory of 4908	3840	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\1b4027af1dad07991047719e0dfef4fa.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:1404
- 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:3840
- - 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=D03EAD563EDA4D6F1A266AD75FF85A6A --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3076
- - 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=F08E34FF5CAD1902C341579125DDE209 --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=F08E34FF5CAD1902C341579125DDE209 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4908
- - 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=DA00F057020089BF4BBA1B516F588226 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516
- - 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=D3F6EAAE77C2112138AED52388D87208 --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=D3F6EAAE77C2112138AED52388D87208 --renderer-client-id=5 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1636
- - 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=B27C975467267F6114C112D64F24462F --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2684
- - 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=B11D2746B2FA512C1AD6635189321238 --mojo-platform-channel-handle=2052 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1000

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
062df3b8e9f76c6ee463fd6d57101f8e

SHA1
3986efb1479bd2a411f41b97577412080733db64

SHA256
8400ed63bb4843101bfa10376b93605d6fcd462b77ccbf142c2572304ba3abb6

SHA512
21a50618814969bbcd0bf4fa9e736055d7a79878a5109bf24c4be377fe29c5e1dfa146aed06ef624ef443d85f7ce8c13aa7c16563b432a20e40cded474031ef8

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