dd76c04edb7bc64283ad073e819dff2d0f7c5b8fd127060fc50cc458e3ea88aa

Analysis

max time kernel
147s
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
07/03/2024, 11:16

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General

Target

b89bf5c98718761b537c29f4a0badea0.pdf
Size

3KB
MD5

b89bf5c98718761b537c29f4a0badea0
SHA1

3272b7fd462e563049a06f71bd23945cf20e9534
SHA256

dd76c04edb7bc64283ad073e819dff2d0f7c5b8fd127060fc50cc458e3ea88aa
SHA512

fce70f175888293cfaa2e56f457f0d61a1aea6f47e4ff724fe7b45678aca19ab51fbf7e5a7574189830a5f617aef2c264c2576eb595de4cce310fe6c05fd1c69

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1204	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1444	1204	AcroRd32.exe	92
PID 1204 wrote to memory of 1444	1204	AcroRd32.exe	92
PID 1204 wrote to memory of 1444	1204	AcroRd32.exe	92
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 1816	1444	RdrCEF.exe	95
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96
PID 1444 wrote to memory of 2848	1444	RdrCEF.exe	96

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\b89bf5c98718761b537c29f4a0badea0.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:1204
- 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:1444
- - 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=66FA3DDF03496C11CF333CE02ACEE9FD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1816
- - 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=43B7E4B6C18EE93ABD29DA63B1C2069D --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=43B7E4B6C18EE93ABD29DA63B1C2069D --renderer-client-id=2 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job /prefetch:1
    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=77535F7734C54E9761D5B54A4A0F3B12 --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=77535F7734C54E9761D5B54A4A0F3B12 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1648
- - 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=4E91CF2C9F85870E0FB4100F6EDE041C --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=9133BBEDADCC82B4E2E4755E1AFAE913 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5092
- - 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=1DC5F8BA920FC6BA7A17855A17C41B44 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1996

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
21b9c44d155744fb3e13e2cb42446b26

SHA1
3630ef2dad34f73ea742ed3916bcc1ce7e46a24d

SHA256
707f7709d0530c1e29a849cd73ab7f5ccdd37d938de53d3004fef6e3278df6c0

SHA512
ba8d8c3d28f7d3991f80cf75b1c2c6dcaaef685c727b0cd189d8f8b3ca984a70cff4e58d79466d12849e9c230d01e5add11610f729301bc465c378867f610c91

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