0d85420ab84074ea860bb7d2ad15764d8170519dd9cc207e172567f2a20fc3ba

Analysis

max time kernel
148s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 23:36

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General

Target

4cc0559518d7d5ac5b14db68bbe9ae96.pdf
Size

85KB
MD5

4cc0559518d7d5ac5b14db68bbe9ae96
SHA1

77af43a6fd83d17fe1a25ac56cb6f0d0ea73ce14
SHA256

0d85420ab84074ea860bb7d2ad15764d8170519dd9cc207e172567f2a20fc3ba
SHA512

26a6188e5b2522c33e92bdad836bd56377d9d16ba8727334140a9cfc98de10d7edade55a847707853a677454cbfb094d8791a0548d271f6090c482e76bb3d0b0
SSDEEP

1536:pqPGdSUB0UjkuLeJhDFfZ1dF4cQK2Ik+CcVoRL8hkW3h90srIvmWQpOC6xD0:2Gdt0UjkuqDFfbdHj8ciL8hTn0+IvZCT

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 932 wrote to memory of 1992	932	AcroRd32.exe	93
PID 932 wrote to memory of 1992	932	AcroRd32.exe	93
PID 932 wrote to memory of 1992	932	AcroRd32.exe	93
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1884	1992	RdrCEF.exe	94
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	RdrCEF.exe	95
PID 1992 wrote to memory of 1784	1992	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\4cc0559518d7d5ac5b14db68bbe9ae96.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:932
- 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:1992
- - 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=909B375A063D11CBD580D61E86CCB126 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1884
- - 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=5422A0DB4067CDF0E020EE4F45CCACEA --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=5422A0DB4067CDF0E020EE4F45CCACEA --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1784
- - 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=994538730EF92ED7C330F881C2DBF008 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2736
- - 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=8403704C3FAC3411C5CAFD71830E5F31 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3588
- - 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=E886977855FCF512BA779D5735167B34 --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=E886977855FCF512BA779D5735167B34 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4508
- - 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=9462846E66B216F076FD3A80B7D53FE2 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3992

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
a68a0b2a971c8f64661640ec960c04c5

SHA1
d744e3a19f2d8e5770bca3794e971302d389029c

SHA256
e8e4a95251dd819279d42800b0778f86ff8f6743fd49b37d7d015c264ba95fcc

SHA512
d041d0d689985984abea2b9957a2c5771a4bc5675337fc7bd5d113c6949c4163aec639f531d5888892538ac31a908e6cc5a0ae30285e2d001cfee7850aceebca

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/932-27-0x000000000BBE0000-0x000000000BC01000-memory.dmp

Filesize
132KB

Download