8443454258ae46743379bf3c1baa0c2b9cfb8665dd80735501da7ef5a978e0f8

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 00:41

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General

Target

8443454258ae46743379bf3c1baa0c2b9cfb8665dd80735501da7ef5a978e0f8.pdf
Size

102KB
MD5

3416d80cc3e66eaca9208e98949bb8a7
SHA1

b357ef375a9e99aec6eabc9d196adc57b7605ac3
SHA256

8443454258ae46743379bf3c1baa0c2b9cfb8665dd80735501da7ef5a978e0f8
SHA512

ada2d296e2449f8ba53c45645e4cae68070a4ca9d01dae00db077c861f957f4bc417035f637aa944b60609fc3bfaeba5fedc8bfefdc38b94fa7263fa6a05aa31
SSDEEP

3072:3eOcJGORh8SrTyQFioLz7VKm2XIrcNXarSAC9JdnGzvA:3eaORh8EGQFhDVEX1XfACF

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-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 3028	2820	AcroRd32.exe	89
PID 2820 wrote to memory of 3028	2820	AcroRd32.exe	89
PID 2820 wrote to memory of 3028	2820	AcroRd32.exe	89
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 3788	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91
PID 3028 wrote to memory of 1776	3028	RdrCEF.exe	91

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\8443454258ae46743379bf3c1baa0c2b9cfb8665dd80735501da7ef5a978e0f8.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:2820
- 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:3028
- - 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=BEBAFE884740AA74A2F69C5555EDE1C7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=7ECABE0550317B830472205AF8125632 --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=7ECABE0550317B830472205AF8125632 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1776
- - 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=E86A7CB9500D5B43231B75E1DA281901 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148
- - 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=4C1546A386D6709FAB6D1120A48037C7 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2256
- - 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=FADB9F6BCC12E25138189F3D88F90AFE --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=FADB9F6BCC12E25138189F3D88F90AFE --renderer-client-id=6 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1984
- - 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=97E4232F2E08C4CB7B39B7F7536CDD58 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3488

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2652

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
17e8f69a3bfdd7937dffc47a45bddc5b

SHA1
55736f2da799adcb9bbc0666a0dcdc578ff4c782

SHA256
513b39598e70a422e7c04a4dae2d8e294acc44123a5295e41eee9e0cb8afe302

SHA512
f9682a9789ae4a05b4af8ae58c870c34ff573ffc4d2f0ddda06d228cb3c24b5d97a0efeca8ed3305311a0f9f0212d14de0372dfe9f601bf27ea756ceb2da7a13

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