efa9b3d065404eb3252b2f4499aa13525deec6634efbad337dd20f84ceabb0a2

Analysis

max time kernel
61s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 14:32

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General

Target

attachment20220906-18090-vhadhw.pdf
Size

148KB
MD5

1fbc9d7180b404ef0983fcc900f1d98f
SHA1

a38d4ddc3636f5ebfbcd0a4dbd0ab9a395bfedaa
SHA256

efa9b3d065404eb3252b2f4499aa13525deec6634efbad337dd20f84ceabb0a2
SHA512

7654b8396d7df82d0abcabc765f2e7da1f9c277b76505e62a08f1d347d87ce4663c89f959fc694057f941c864ac824557ef86de256f20116841d8b700d76a61e
SSDEEP

3072:gXpZUXfLyKk9d5FXmUNknQCBIYR2att668:yG2K48/IYkatt6t

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 4332	4936	AcroRd32.exe	82
PID 4936 wrote to memory of 4332	4936	AcroRd32.exe	82
PID 4936 wrote to memory of 4332	4936	AcroRd32.exe	82
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 2108	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 3724	4332	RdrCEF.exe	84

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\attachment20220906-18090-vhadhw.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:4936
- 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:4332
- - 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=C155BE3CABAC644CC6A83790D213F89E --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2108
- - 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=B6F3593C2ED5FB23A0DE4B128A9EE206 --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=B6F3593C2ED5FB23A0DE4B128A9EE206 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3724
- - 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=217E4F4E0B9BF7621ABC0027644801A0 --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=217E4F4E0B9BF7621ABC0027644801A0 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3984
- - 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=FC7DD28767426D70B3ACCA5B9CC7FED1 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:544
- - 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=255C8FFE7B346A4779A1B3B72B3C7C09 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4140
- - 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=D6D028CFEE0E38263EBE00246B1FDC12 --mojo-platform-channel-handle=2728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:392

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/392-153-0x0000000000000000-mapping.dmp

Download
memory/544-147-0x0000000000000000-mapping.dmp

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memory/2108-134-0x0000000000000000-mapping.dmp

Download
memory/3724-137-0x0000000000000000-mapping.dmp

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memory/3984-142-0x0000000000000000-mapping.dmp

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memory/4140-150-0x0000000000000000-mapping.dmp

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memory/4332-132-0x0000000000000000-mapping.dmp

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