d3b4f69d005a50c7f6619fc3e89dd808cd3e1876d72c618949e3738f6f83484e

Analysis

max time kernel
209s
max time network
214s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 22:08

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General

Target

0534792db03cbab9806253e5c97c7d61.pdf
Size

47KB
MD5

0534792db03cbab9806253e5c97c7d61
SHA1

87c31228126fab88d8ca639476ba390adcbca5a2
SHA256

d3b4f69d005a50c7f6619fc3e89dd808cd3e1876d72c618949e3738f6f83484e
SHA512

6a704611f1b88a86a1f7806a914fbeac039b7d86ceec33f0215302339d6fa206bfaec6441d854b87d3410f33bfe5e4f77ec643f3ca9b7467ce04c8f681ec414b
SSDEEP

768:PHwjip5dcZvW/4yym6tVDkepWukUoKO6xeE3doPZ7uaYAFz1hb9AQ:PQoS+/4FhWukJ6xr3dowaYA91hOQ

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe
4676	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 3988	4676	AcroRd32.exe	93
PID 4676 wrote to memory of 3988	4676	AcroRd32.exe	93
PID 4676 wrote to memory of 3988	4676	AcroRd32.exe	93
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1512	3988	RdrCEF.exe	95
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	RdrCEF.exe	96
PID 3988 wrote to memory of 1420	3988	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\0534792db03cbab9806253e5c97c7d61.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:4676
- 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:3988
- - 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=3DC6AE134ADA822CD99612463B8C3CC2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1512
- - 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=91E4B12B11DC1F4963E0A273E20C6C29 --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=91E4B12B11DC1F4963E0A273E20C6C29 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1420
- - 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=F75997804F1DF796E302E75D87F4ACFC --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=EDA54387BCCAE3181DB0FC30CEE16C04 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3672
- - 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=6AB378DF016E1276AE574B4BA2364558 --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=6AB378DF016E1276AE574B4BA2364558 --renderer-client-id=6 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job /prefetch:1
    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=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=B213208AE51619E1FD282E22E2A501CB --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3636

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
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