b94de1fe424e6c752374b2db707ef9ffc285cb114f0f042f8238c53ebd10b7ea

Analysis

max time kernel
141s
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
26/12/2023, 15:26

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

78c8f15c04feff8a471bc96969ac88a5.pdf
Size

87KB
MD5

78c8f15c04feff8a471bc96969ac88a5
SHA1

8dfbfcc28fad74f88ff5c4face329c92341def5b
SHA256

b94de1fe424e6c752374b2db707ef9ffc285cb114f0f042f8238c53ebd10b7ea
SHA512

09586dfdae2c1da7edf7eab0877b4a714b04a225ad59a7c01ab6ae5d6831b36df1e8478fd321d7dbed40475f29927bac4604bfb24e939c872f0926da8a6d2119
SSDEEP

1536:U+kPgONgZ+wxR5o7qgPgm8nLsw1igA5bxyHaowJ64DZa7whamTvIHWspOL4Wm9h4:4dNlwxQqvLswpAgapI4ta0Y0JLG9hNG5

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5056	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 1880	5056	AcroRd32.exe	91
PID 5056 wrote to memory of 1880	5056	AcroRd32.exe	91
PID 5056 wrote to memory of 1880	5056	AcroRd32.exe	91
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 1368	1880	RdrCEF.exe	92
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	RdrCEF.exe	93
PID 1880 wrote to memory of 4972	1880	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\78c8f15c04feff8a471bc96969ac88a5.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:5056
- 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:1880
- - 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=798778DAC074B719D5287BBAD638F051 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1368
- - 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=63EFFF4C8E6E624F60F4916D52B5C703 --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=63EFFF4C8E6E624F60F4916D52B5C703 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    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=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=6C34CCA38A6132FE8EB447EE7E66F36C --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3304
- - 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=FFDDD01B30EC6E79D7A53EEA731C1FB0 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744
- - 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=9252E73FA55864D2B2996462E25D48A1 --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=9252E73FA55864D2B2996462E25D48A1 --renderer-client-id=6 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=FD3A4B9B3BC43B67934584864248B954 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184

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
90beb6ac52cf86a05002f0872de53ac6

SHA1
5af030a69532e8b2e9188eb5e1df32a508ba010e

SHA256
bb4081336b8346c586338852d77d129b7867c9ffd5084f5bed5ef99cf69ef94d

SHA512
0b784e679ab27cf9cd3948b53f173d04e70bc5c1fc257d5ae4c7918a64d6525521713b5168534b1bb5256c6d003d628e77b23a0039eef6658ceb9f42dc424cf1

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