4f4aaae444fdda658bb8609f4eabd836aa8131e8d0283d81ea5b5ad9bcd723d5

Analysis

max time kernel
126s
max time network
155s
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 13:54

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General

Target

attachment20220906-12795-flc6ib.pdf
Size

65KB
MD5

978d45a613cf8da08b49a0adbdb9edc7
SHA1

481b4ed9c69715aac7f9a54f3f6d3d7ebef6b2a0
SHA256

4f4aaae444fdda658bb8609f4eabd836aa8131e8d0283d81ea5b5ad9bcd723d5
SHA512

e6a2747f6d4cfd927551d0e1e744e980a84ab49f213d0fc0f4cdd3f23f5c21db03fdc4e5c0c35a62a2d93a71f47c586f8dbbe9f8e2fb5377976fc9ce73530369
SSDEEP

1536:S5J7nxqZWXAYV0zZp4bTVNEnhN9n/rT6OBeXlDrilb9+uASPG:SP7nYZJc0qNEnJf6OBeHilb9+ue

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
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe
4972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 632	4972	AcroRd32.exe	83
PID 4972 wrote to memory of 632	4972	AcroRd32.exe	83
PID 4972 wrote to memory of 632	4972	AcroRd32.exe	83
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 4724	632	RdrCEF.exe	84
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85
PID 632 wrote to memory of 260	632	RdrCEF.exe	85

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\attachment20220906-12795-flc6ib.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:4972
- 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:632
- - 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=2116F658D341DE9567E430430B5E97AB --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4724
- - 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=B6C8120579529A37E972A2B4116A90C0 --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=B6C8120579529A37E972A2B4116A90C0 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:260
- - 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=7C1BB1798573690DBDA38AFD0972DC2F --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=7C1BB1798573690DBDA38AFD0972DC2F --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4004
- - 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=CD09C3790464E2926FAB94007E29C186 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:952
- - 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=2D4030E16FA7083FB09AE8AACFF357FE --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=E55FA99D94F8D8A569E09D9E1E1A8EBA --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4704

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/260-137-0x0000000000000000-mapping.dmp

Download
memory/632-132-0x0000000000000000-mapping.dmp

Download
memory/952-147-0x0000000000000000-mapping.dmp

Download
memory/4004-142-0x0000000000000000-mapping.dmp

Download
memory/4704-153-0x0000000000000000-mapping.dmp

Download
memory/4724-134-0x0000000000000000-mapping.dmp

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memory/5088-150-0x0000000000000000-mapping.dmp

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