643bb619a5368f1c273c96f39dc054ad99b21979218f1be4f0b215d04ca0277c

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 02:11

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General

Target

85a756e712d22e3b675a137e9a9662ec.pdf
Size

91KB
MD5

85a756e712d22e3b675a137e9a9662ec
SHA1

53572ef426f2df4f0395ae2bedad995ac3de2b6e
SHA256

643bb619a5368f1c273c96f39dc054ad99b21979218f1be4f0b215d04ca0277c
SHA512

1741ff029252c64bad756a74a3b03a948ffbc581bf4604b18ced0174886d2e43b0f532eb19ca541fcb7bd3c3b5bf3ebc0f17b70c988447595beed7475c3f78bb
SSDEEP

1536:+KmYz/i9N9eYfq41VakDOfG5mnfUeSUGZTOOxiZWHpOvTWCU76T4UBpdXqSNtzUe:aY70m2akKe5UffS1I7vppTvB/XqSNNN

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe
3232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 876	3232	AcroRd32.exe	88
PID 3232 wrote to memory of 876	3232	AcroRd32.exe	88
PID 3232 wrote to memory of 876	3232	AcroRd32.exe	88
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 4560	876	RdrCEF.exe	89
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90
PID 876 wrote to memory of 1612	876	RdrCEF.exe	90

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\85a756e712d22e3b675a137e9a9662ec.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:3232
- 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:876
- - 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=CD7566AF1EF24223A6831D7ADCD25422 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4560
- - 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=2945E83BA68631E44F20D21DDD0D22D9 --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=2945E83BA68631E44F20D21DDD0D22D9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1612
- - 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=28227A9F88A6713395C1115F5FA27F43 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2640
- - 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=4E4BDCCD35DF0A4A8826BD43206496B4 --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=4E4BDCCD35DF0A4A8826BD43206496B4 --renderer-client-id=5 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2408
- - 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=99AFBA315592C7D1826CBB19F43C2DBE --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2068
- - 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=56BCA5E4BAF4A18F45AB20204D5C3D1D --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4848

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4872

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
1f3abb374e4ae9d250588808c3630987

SHA1
56ae9491bdee3bb11b7fd0b0320c6518d0dc0ecc

SHA256
2021c0e5a72d8c39bc9c3bd3abaf18dd0e0a872dd670be8d589c7592cb05a5e4

SHA512
e6369800693c9c41d997f42f9c229b674117ac33de9508340a4b9f4ecb3797dd3f191a10b66a8763bce24527f555d7d67cf1349443b03c22738231b478073b91

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/3232-28-0x000000000C2E0000-0x000000000C301000-memory.dmp

Filesize
132KB

Download