86e350202f46b69922f8b32e2f6570a4d0d48e1426738df00e38dcbf0c48258f

General

Target

attachment20220806-3872-pzb4qi.pdf
Size

29KB
MD5

8c6e8da88ee5ff44042e73168ad0c03e
SHA1

0362dafdc15751a0c0265a941c0a84446608683a
SHA256

86e350202f46b69922f8b32e2f6570a4d0d48e1426738df00e38dcbf0c48258f
SHA512

861e44245279160f15b4b00d264595e315809f1bd4fe8b9eb1a83de601bcf2246d4ea4eb139c47d74e82aaeb39ad04bf2044a6cae1eb2a6ffff39c252f05df7b

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-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3404 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

3404 AcroRd32.exe
3404 AcroRd32.exe
3404 AcroRd32.exe
3404 AcroRd32.exe
3404 AcroRd32.exe
3404 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3404 wrote to memory of 5068	3404	AcroRd32.exe	RdrCEF.exe
PID 3404 wrote to memory of 5068	3404	AcroRd32.exe	RdrCEF.exe
PID 3404 wrote to memory of 5068	3404	AcroRd32.exe	RdrCEF.exe
PID 3404 wrote to memory of 4056	3404	AcroRd32.exe	RdrCEF.exe
PID 3404 wrote to memory of 4056	3404	AcroRd32.exe	RdrCEF.exe
PID 3404 wrote to memory of 4056	3404	AcroRd32.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3224	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	RdrCEF.exe
PID 5068 wrote to memory of 3964	5068	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\attachment20220806-3872-pzb4qi.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:3404
- 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:5068
- - 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=0EC9E549535A0D0EB89FB13A13E2CD10 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3224
- - 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=0A198712E5139029D19BB6F2C6A8E9BA --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=0A198712E5139029D19BB6F2C6A8E9BA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3964
- - 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=A884AD7EA952A33E1849359CC38FA715 --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=A884AD7EA952A33E1849359CC38FA715 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:980
- - 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=95C0AB181F1D9631009FE02A49A59814 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=8E407B61B41E36B7073E04267EEC51F7 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:644
- - 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=561C080F01693CBC2D3E4366E1988048 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468
- 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⤵
  PID:4056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/468-154-0x0000000000000000-mapping.dmp

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memory/644-151-0x0000000000000000-mapping.dmp

Download
memory/980-143-0x0000000000000000-mapping.dmp

Download
memory/3224-135-0x0000000000000000-mapping.dmp

Download
memory/3764-148-0x0000000000000000-mapping.dmp

Download
memory/3964-138-0x0000000000000000-mapping.dmp

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memory/4056-133-0x0000000000000000-mapping.dmp

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memory/5068-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads