e899713e6a4ebb18be94bf3038793e491dd99a4cf688632cf2b0a2d1d8ceeac4

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 23:44

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General

Target

20735e7528a7dbef7b1efca8e21171b4.pdf
Size

61KB
MD5

20735e7528a7dbef7b1efca8e21171b4
SHA1

718cf08f6b1929426ad18ccfaa454fd41a81f23b
SHA256

e899713e6a4ebb18be94bf3038793e491dd99a4cf688632cf2b0a2d1d8ceeac4
SHA512

396fa674bfc1c496988b69cde3fd581a4387b7d5e6aa32edf5ac0c600d548cbac6d810fac5458512f05538f5e651a9900137e873255fceff09e0784b6e4f3dbb
SSDEEP

384:bONbedw+DJ57qJ6D+g+MNRpC9kyg+sjq+++h+Sc+c+Mm+e+y+++Dy+3+I+i+Aw6g:P

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 4180	1900	AcroRd32.exe	90
PID 1900 wrote to memory of 4180	1900	AcroRd32.exe	90
PID 1900 wrote to memory of 4180	1900	AcroRd32.exe	90
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 2884	4180	RdrCEF.exe	92
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91
PID 4180 wrote to memory of 4620	4180	RdrCEF.exe	91

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\20735e7528a7dbef7b1efca8e21171b4.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:1900
- 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:4180
- - 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=13F7F791D8706AA049404E528F555073 --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=13F7F791D8706AA049404E528F555073 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4620
- - 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=87B2A5FFE6091148BB0E266A59484472 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2884
- - 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=14C9C11E4B56CCEFB79BA658459B7184 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2840
- - 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=0523948413181CCC7496414C72093FED --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504
- - 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=0E660849E2FBF8548B863209E20FA520 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- - 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=389DDA55CAAC152126A4593311BAE7B7 --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=389DDA55CAAC152126A4593311BAE7B7 --renderer-client-id=7 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3884

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
33ecb6ae7c72a6aca7fdbc16d2e1ef5e

SHA1
c05b5a67501a4d05281b5b65697347fb3ba6dec2

SHA256
f7d14f33e595c7c577164c5fbee3e6c8a922ce98991122126d4ddf1706d8c91a

SHA512
d237e970ce386161c2467eee067e4cf9a26f9953c1ab3fa8fc4e4f3c4f3fa1a9ad90239e1c15f533890eeef342b8dbcfb8bf9f1417ca7177bdda8ce77275cb0d

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1900-131-0x000000000A5A0000-0x000000000A6ED000-memory.dmp

Filesize
1.3MB

Download