b36f2022fe20f5f4e0b73cb78cdb57e1a6ec7cb64fe5a3b7fe663e7393d14706

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 01:21

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General

Target

7bca57e90c58f50465b53482588fce10.pdf
Size

32KB
MD5

7bca57e90c58f50465b53482588fce10
SHA1

3fbd10e0b550101488adc2397733b3e30e6d5ba0
SHA256

b36f2022fe20f5f4e0b73cb78cdb57e1a6ec7cb64fe5a3b7fe663e7393d14706
SHA512

701bb1d010e7118692aa8d33e73397315d3eb1020473deb1611ee4b4122db8989be971d6383cafa7057899abef925f2fb7a08fd1e49e35bbad5a544b8361106c
SSDEEP

768:/gGzpDu0pFl/7cPfObpZyXGWSI5YW/0/uX0fRaqn:IGFaUXWYW/jkfEqn

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
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 5108	2688	AcroRd32.exe	91
PID 2688 wrote to memory of 5108	2688	AcroRd32.exe	91
PID 2688 wrote to memory of 5108	2688	AcroRd32.exe	91
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 4972	5108	RdrCEF.exe	94
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95
PID 5108 wrote to memory of 1644	5108	RdrCEF.exe	95

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\7bca57e90c58f50465b53482588fce10.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:2688
- 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:5108
- - 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=4E8EE01FA4791C9726609CC5C4BB4711 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- - 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=0018D7E5D6955B207A2DD35C67FEBE6E --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=0018D7E5D6955B207A2DD35C67FEBE6E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1644
- - 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=4AC5F2622F9CDDB58B808A7968597584 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2444
- - 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=C3F33A5FA752DB9A6442978174C4E6F3 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2628
- - 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=8001A8FC82A78F8112FCBA70C61CAAC2 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1288
- - 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=DBB667226A4BD9A5E77D61DF150B2AD5 --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=DBB667226A4BD9A5E77D61DF150B2AD5 --renderer-client-id=7 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4840

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
341c3a03a1c5e9b37b6b9cc983ec1602

SHA1
ed5d62a376628ce0f66324c7caa6a787d9c8c42e

SHA256
946c9c776f747d16043516682c1daea95bc4b72f929c6528138cd976efb453df

SHA512
82167c32857b591dec628eb685def8c6c7e2734141be9f36267d35a088c53bbb55db57495faa6dc11a1a21f93c5a9d10a52c79c755d661af5c82841bcafc7a6b

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