229bc74efaec13853ed9774d20581e3e56221d26f17c6ff6221722d9dfa80ba5

Analysis

max time kernel
143s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 07:07

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General

Target

virtual_freer_v1.58/guide.pdf
Size

289KB
MD5

465298d9fade6033fea704c4c2b7d518
SHA1

d1fad500d6e145b008297bd2575e69c77f3a03da
SHA256

342ab8f1cb7c43c193acc00216a0c5137fdc00204c9fac6d354e529362cf2870
SHA512

bb8eff0031642c3f0b4f5ba6cfec295eb5281725867b93609c346b66d61e57b2280354e3c88954574ba30c912e39a673c74b969727001522532889e7152fe7d6

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

AcroRd32.exe

pid	process
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3572 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

3572 AcroRd32.exe
3572 AcroRd32.exe
3572 AcroRd32.exe
3572 AcroRd32.exe
860 AdobeARM.exe
3572 AcroRd32.exe
3572 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3572 wrote to memory of 4612	3572	AcroRd32.exe	RdrCEF.exe
PID 3572 wrote to memory of 4612	3572	AcroRd32.exe	RdrCEF.exe
PID 3572 wrote to memory of 4612	3572	AcroRd32.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 4960	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe
PID 4612 wrote to memory of 1604	4612	RdrCEF.exe	RdrCEF.exe

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\virtual_freer_v1.58\guide.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:3572
- 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:4612
- - 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=61D419C52E357CEEF1C54D7C71C7FE3B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960
- - 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=7899CD77AEE2BD8BDC2BB2084E19411C --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=1 --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=7899CD77AEE2BD8BDC2BB2084E19411C --renderer-client-id=2 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1604
- - 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=2692B45AA13D1E16EA8115E5600D68FE --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=1 --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=2692B45AA13D1E16EA8115E5600D68FE --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3268
- - 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=EA880FFBB0BE6545D284EFCC0304F880 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=68A41480D32ECBC1AFDCA6DC6F391130 --mojo-platform-channel-handle=1792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008
- - 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=3A971C12E084558C0FDFF3A6E5B62F8D --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
  "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:3
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:860
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"
    3⤵
    PID:1328

Network

MITRE ATT&CK Enterprise v6

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

memory/860-153-0x0000000000000000-mapping.dmp

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memory/1328-154-0x0000000000000000-mapping.dmp

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memory/1604-135-0x0000000000000000-mapping.dmp

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memory/2008-148-0x0000000000000000-mapping.dmp

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memory/3268-140-0x0000000000000000-mapping.dmp

Download
memory/4168-145-0x0000000000000000-mapping.dmp

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memory/4612-130-0x0000000000000000-mapping.dmp

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memory/4960-132-0x0000000000000000-mapping.dmp

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memory/5032-151-0x0000000000000000-mapping.dmp

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