4c2f0e9038cc41fa65347b45695744b11784943e9d1907c9836da38264b4fd70

Analysis

max time kernel
150s
max time network
152s
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, 11:56

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General

Target

17b3cd3ce9564be81f332f70b467f929.pdf
Size

87KB
MD5

17b3cd3ce9564be81f332f70b467f929
SHA1

b207478e78be063618294a7efadb7581a8b51bdb
SHA256

4c2f0e9038cc41fa65347b45695744b11784943e9d1907c9836da38264b4fd70
SHA512

d1aefe0eaaa886bbba033d44c15d39402afce59c163d7e3b74736c9ba4b524ab9656fc0c1324165c65dcd9b0eb4ec6293a4c4d2cd5c350b96cd3c7fad54c3960
SSDEEP

1536:qUHgLdYUpUUJcxkGydmzBHueEU61CMQgq3sWcPofqg8GITempMAmlfQp2W8pO+qv:LHTuDNrgNueEV4gqIPQ8GTPAMQ/+m

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 3360	4960	AcroRd32.exe	93
PID 4960 wrote to memory of 3360	4960	AcroRd32.exe	93
PID 4960 wrote to memory of 3360	4960	AcroRd32.exe	93
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 3548	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 1428	3360	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\17b3cd3ce9564be81f332f70b467f929.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:4960
- 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:3360
- - 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=092DB681D918AA605ACDE2FAFD25A9A3 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3548
- - 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=C6ED04E2F07AA393CA39E0B91FFE5B15 --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=C6ED04E2F07AA393CA39E0B91FFE5B15 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1428
- - 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=13714036CF9B6147A41F074E9557B419 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2848
- - 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=017FD8312B57F94FC1E99F7169CA62B2 --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=017FD8312B57F94FC1E99F7169CA62B2 --renderer-client-id=5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    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=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=931F7FC7468572F1CA37B043D7408BD8 --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4360
- - 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=EB0E6B262D5AC78DDD21174A3C15A703 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3560

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3188

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
3488dd0e60ca8de69eaa5e764c6d885f

SHA1
3b9d31906b788690add2d5cc62eefcd27b486c51

SHA256
840284d6e7ce9c828f016802adb6e8804cdc3cab110e449ef83c969ea9b6d592

SHA512
9a061d826f4fe0e4e901c882e9a8a20adcf2c230824b79b025dd82d75c11464e04873995db43ba4154391851671da0ba29105c745a543f519c7f8a490cf7d3f2

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
memory/4960-26-0x000000000C350000-0x000000000C3A0000-memory.dmp

Filesize
320KB

Download