90eb5daae38d47c38d0ec96a7314473be082835ccb4b5125c9c83f52ea45aeb3

Analysis

max time kernel
56s
max time network
37s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2023, 19:10

Sharing

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General

Target

[email protected]_20230627_112541.pdf
Size

98KB
MD5

e7cc8c515540d23d6d5597a21ac86312
SHA1

1c527d7b9a8b7de3f8e0c6323fbcc0b5fa1f39d1
SHA256

90eb5daae38d47c38d0ec96a7314473be082835ccb4b5125c9c83f52ea45aeb3
SHA512

61651fb4c80acdeaa98065728aee2dedf452dc4e7eecbd924c2c0c43ff0aca6804f0ed387394154d7eba08de126ae47bbb9e864cb88ffc25545b28c29a7d470c
SSDEEP

3072:RX+k13zqJQ3UEiL+waYOHy5e0wKfau+As7RkKLBmng:R+kN3nrNl0zCu+TRdLong

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-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 4256	2732	AcroRd32.exe	85
PID 2732 wrote to memory of 4256	2732	AcroRd32.exe	85
PID 2732 wrote to memory of 4256	2732	AcroRd32.exe	85
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 3432	4256	RdrCEF.exe	86
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87
PID 4256 wrote to memory of 4960	4256	RdrCEF.exe	87

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\[email protected]_20230627_112541.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:2732
- 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:4256
- - 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=163D8348AE0559618D23F8495C1036AF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432
- - 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=6E6E914C129EDBD3219ADADF314CFD9F --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=2 --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=6E6E914C129EDBD3219ADADF314CFD9F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    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=3786B90406447AE4F5251272A5D45BA9 --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=2 --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=3786B90406447AE4F5251272A5D45BA9 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1720
- - 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=41468238E41C07CD95ADC5F7CC842F75 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:868
- - 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=05841AC10FEB6D8E39298641C27ACCE1 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=F46417E5E2FF0F85B1EEFBCE0F745204 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2708

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

Loading Replay Monitor...

Downloads

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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
c784c4f64ab1fcb3503c4c7a0f11d0dc

SHA1
1ce2216225e4031e08fbf3595ad145db3b9f5249

SHA256
3971932a6ddef5f16128ccf4bfd008154dc01f2eae7376f3184704e8407c4bc7

SHA512
b9e745fcc47c975e414ac64d68bf31d502aca24bc87b1156fb216853400c89eaabf4aa3cda5a394ba594be68f3a6b63b7d2b37def3f082d9abc1abc95862bb3d

Download Submit