8fc5035b0b16017be0e7df3d2a8060c3d2ac80563b8e19260ca159f8fc8f58e9

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 16:45

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General

Target

PZ02020_MTR_PFEM_EN_250124_225248.pdf
Size

258KB
MD5

47093e5a25f9c7e2c763bed32ffa5846
SHA1

254b66601bd68b25abc60e12455edf43563513dd
SHA256

2353f2661185d8e9bb5eb895928b39ca5f40d3e5000009139945f65e86cae860
SHA512

0232869c42f1f40b840994060544ad0399138fc839905faf46bac446684fff8bc99d17380852ccec2cdf1efc472d18d7d1113d7df053de9f05888c83d2842519
SSDEEP

6144:+sIgOV7K+DNRo3T5+u5qJIsoIVrGQhi462Z0iUZvUP0jkI/X+QmIc:+sIt7K+4N5/HI9lZ0iUZvUPQkslW

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 3348	4788	AcroRd32.exe	93
PID 4788 wrote to memory of 3348	4788	AcroRd32.exe	93
PID 4788 wrote to memory of 3348	4788	AcroRd32.exe	93
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 5020	3348	RdrCEF.exe	95
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	RdrCEF.exe	96
PID 3348 wrote to memory of 1400	3348	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\PZ02020_MTR_PFEM_EN_250124_225248.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:4788
- 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:3348
- - 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=97D2D413F397874B1B28E9FD3FB44DE8 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5020
- - 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=E7F58B4BC02F1AD062E1A7E1D02FD43C --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=E7F58B4BC02F1AD062E1A7E1D02FD43C --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1400
- - 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=CD75AF0E76919E8AB771B5D4826C24ED --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1628
- - 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=8929F3D7BEFA76AC1A4A18B4B55A023F --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132
- - 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=F31868558E20665C5633E8F02D2C7249 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3260
- - 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=50358C4306A5B1224C24E27D8D95DB53 --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=50358C4306A5B1224C24E27D8D95DB53 --renderer-client-id=7 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4284

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
21372ed5ce3fe60b8b02c97a28eded2f

SHA1
c5b7a347cabc81819694e4bdc3a2115913e5b2e6

SHA256
321ac4e8b33781b6084b5666a6e4fdf2c39207f77f065cd4eb97c6ad871b40c7

SHA512
7d8004228331385c0d09558fe8f45ec84e20f7ce0e32f4ab023eda946414e797908bd4d46bc2d0027b0457ad841c99da0e750f869f405d30f5905aace7df9bf8

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/4788-126-0x000000000E1D0000-0x000000000E31D000-memory.dmp

Filesize
1.3MB

Download
memory/4788-127-0x000000000E1D0000-0x000000000E47B000-memory.dmp

Filesize
2.7MB

Download