342d33916aa6b75a49956ebe1c3cd7a69a8acdca9b0c1e9bd8c9d4b5bd10e684

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 10:59

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General

Target

0eca9e2a5378ce9bb758511f7cb41699.pdf
Size

81KB
MD5

0eca9e2a5378ce9bb758511f7cb41699
SHA1

f3211a7ae7df3a61aa38fecadba4b1599a496313
SHA256

342d33916aa6b75a49956ebe1c3cd7a69a8acdca9b0c1e9bd8c9d4b5bd10e684
SHA512

6a1dca3db872180f2152fd657d1eef2744bf5f7933124bf91b79ca33a4f890c5b571a0435603c63c4a88086ba5f4041790f8a0f23d2cab484cbfbb46b5653c06
SSDEEP

1536:/KOVTL8zDo1z1C8SxFLCNNAKQtPHcQAn8MCrLzbHumQWYpO2xOcVCWSpOOeAeOTc:/XCo1INq+KRQAnFCHzbOmn2xFVQpOdAy

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
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe
3368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 4372	3368	AcroRd32.exe	92
PID 3368 wrote to memory of 4372	3368	AcroRd32.exe	92
PID 3368 wrote to memory of 4372	3368	AcroRd32.exe	92
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3048	4372	RdrCEF.exe	93
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	RdrCEF.exe	94
PID 4372 wrote to memory of 3968	4372	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\0eca9e2a5378ce9bb758511f7cb41699.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:3368
- 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:4372
- - 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=742970DCD9D3F9C928B2246E47D3D7DE --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3048
- - 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=47DBEDE1629227C8673F6BD1FBD6867D --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=47DBEDE1629227C8673F6BD1FBD6867D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3968
- - 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=4BE5F2528FB81782E6D14C16F611897D --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:432
- - 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=3E3EB53BC1276C9A231C2EE745BE11ED --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500
- - 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=601A458DB23A6514630B250EA34587F7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3168
- - 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=EBABD55FBC941CB7601FE0A420F7DD1C --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=EBABD55FBC941CB7601FE0A420F7DD1C --renderer-client-id=7 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4436

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
90642fff9aeb91ab98b8f3ed8755e593

SHA1
1e5dd5e7ed5254ba92267b85bf0bde5498aed972

SHA256
29f93bad66d4476d0a2a5b904ab4d4625b5d7ee78ecbb71e48688780cf9ce5f8

SHA512
072804e691f8616afb7a57a1b58f92003d546ef14cca66d667499fadae38c1c7f192bf60a571e191ce43447cfe41d493b5e0be2ebfe0f5beec450ff1dd04429c

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/3368-26-0x000000000A9F0000-0x000000000AA40000-memory.dmp

Filesize
320KB

Download
memory/3368-28-0x000000000A9F0000-0x000000000AA11000-memory.dmp

Filesize
132KB

Download