f4334da4bff8569226ebe15d5191238c2b36e9c6cabd772edb1e70ece53fc214

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 01:10

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General

Target

f4334da4bff8569226ebe15d5191238c2b36e9c6cabd772edb1e70ece53fc214.pdf
Size

331KB
MD5

2cc9f89200d88a7178ba0e700f97195f
SHA1

47c8f3988a1c69aebdf7da366f24a87c957bcccd
SHA256

f4334da4bff8569226ebe15d5191238c2b36e9c6cabd772edb1e70ece53fc214
SHA512

01b9719a8aa996e80ff006c43e3a540a6f8df02d92715be8234c6ab79a5d1bcaf29ce72874ea9dc8f252fabed62b211697a329adcb827c1ac414f9e216cc04be
SSDEEP

6144:OqPg1ay4J2tUwqg872fvZzBOLWfuVcsrvFl/G2lGHlk8J2Zck:OqoUyyH9g87QhzBOLWmVF+3BRk

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 4456	2364	AcroRd32.exe	90
PID 2364 wrote to memory of 4456	2364	AcroRd32.exe	90
PID 2364 wrote to memory of 4456	2364	AcroRd32.exe	90
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 5100	4456	RdrCEF.exe	93
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94
PID 4456 wrote to memory of 2960	4456	RdrCEF.exe	94

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\f4334da4bff8569226ebe15d5191238c2b36e9c6cabd772edb1e70ece53fc214.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:2364
- 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:4456
- - 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=3CFE27BEFCAE70AE7DEB9DAF7A9EF40D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=9FA62420280A6456A4061761361C8956 --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=9FA62420280A6456A4061761361C8956 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2960
- - 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=DF3352532E53D8D09EAFB809D61681FE --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4876
- - 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=0FB049F02302F7E646D61E10B212E73A --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=0FB049F02302F7E646D61E10B212E73A --renderer-client-id=5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1448
- - 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=88BA7490A6FDD36E678AAD04B5378D80 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=A87903FAA804FEE4CE388863547D8418 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1632

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
1a56478b60c932ae6f846e6bc6df59a7

SHA1
6f3d738f1b88b31394030a9c8b8dcef9680dac6b

SHA256
8935a08ce23f0b21fc9fcbf36087c55a9454444f56bfa03191d29e29a3bdbaf9

SHA512
02dd09ddc675ad47299829540e39b03059325d937c67c490bf82d08b7ec9b6c336255f6ec82546d889e5f52b9be3ca4cf8022e7e6b0c32494ec6ff3c9eb51769

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