3691ade5137bffdb297d2ace74c6e6e10e484f18a6fb0aa0704316dabf9b113f

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 13:41

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General

Target

1a5547b0828dd5971052e389b9e4b0ea.pdf
Size

117KB
MD5

1a5547b0828dd5971052e389b9e4b0ea
SHA1

1f3d34c1cf0224134191d501bd1acf4bd13ebea1
SHA256

3691ade5137bffdb297d2ace74c6e6e10e484f18a6fb0aa0704316dabf9b113f
SHA512

078e037766d0050343874939b789cc6a1f650f403d8ad13c327656f61f5a572cb6b223b11de1c1e0b293b3703a36e31867d09e9e9cd8fb7b771327537f033cc5
SSDEEP

3072:iir3f0jADGrUN7NHXqUSFD9EIf0OZla5PYjP4o27NpXq4tQyCdk:iKvp3N7ZqUpwEYk/VCi

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1084	1708	AcroRd32.exe	92
PID 1708 wrote to memory of 1084	1708	AcroRd32.exe	92
PID 1708 wrote to memory of 1084	1708	AcroRd32.exe	92
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 552	1084	RdrCEF.exe	93
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94
PID 1084 wrote to memory of 4852	1084	RdrCEF.exe	94

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\1a5547b0828dd5971052e389b9e4b0ea.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:1708
- 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:1084
- - 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=5075AA3B30B0D1A57F72CDCD1787F199 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=F6B5EF2D106FEA635D25CEC4F4A28271 --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=4 --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=F6B5EF2D106FEA635D25CEC4F4A28271 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852
- - 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=378AF9245A3C68976C9D434C115866E1 --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=4 --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=378AF9245A3C68976C9D434C115866E1 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1528
- - 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=04112192FCCFE12B2D36514F96F43F10 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908
- - 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=EF743229931578AB7F64555760F189BE --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - 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=938473AEA068185A87D5C87805C678F3 --mojo-platform-channel-handle=2768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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

Filesize
64KB

MD5
ee47b01ae80681fcce0e430ee34991ac

SHA1
11eb7c1d60c6f65fa26255122ada8148fc0e71a4

SHA256
cf45ec02296d69a79f08d08ec71e49e39bee2d702c596e0836ad3710d2cc4010

SHA512
f7d167adeaeb13c960f14a3991e3011bff0965b10ce5c125155af8527274d130c74fc14aa928e45e54a90483505fa179e5e6fac2e9fb4ad7680f6c95f5cd33d8

Download Submit
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