99bdf421b4d97e73737a7ac29215998ae3923ca9a4a7eab8c03e45d95a640411

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 02:42

Sharing

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General

Target

54f697c5993ccc215ddccf82647d4ad3.pdf
Size

70KB
MD5

54f697c5993ccc215ddccf82647d4ad3
SHA1

40ce981853bf96ea291fd3d784008881a0fea505
SHA256

99bdf421b4d97e73737a7ac29215998ae3923ca9a4a7eab8c03e45d95a640411
SHA512

4202424d2a7a9666e9d1857a43eec2022f60746c5401968441d36321f67511b57416e5becec18f70c8737607f0ac792d61278f19f9420ad3db1b0c0b9f1bb98d
SSDEEP

1536:1cHl5xIxWQ4hTaa2mSscDkmBPKDip4lyOidMcZ+xoeuBPx:aH7uxVwTa/N9DPdpw2d9ZK5uj

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 3868	1756	AcroRd32.exe	90
PID 1756 wrote to memory of 3868	1756	AcroRd32.exe	90
PID 1756 wrote to memory of 3868	1756	AcroRd32.exe	90
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 3060	3868	RdrCEF.exe	91
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92
PID 3868 wrote to memory of 2804	3868	RdrCEF.exe	92

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\54f697c5993ccc215ddccf82647d4ad3.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:1756
- 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:3868
- - 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=5C389F9C2E4545A361D8391046D530F1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3060
- - 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=EBDCB2388DED8C9E7E59B25D04483592 --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=EBDCB2388DED8C9E7E59B25D04483592 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2804
- - 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=7A626E67C1C83A84F69D9599E932259A --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1424
- - 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=F240239CEB26DC6B8B6ED5EFECD59CB5 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=0BF1E86864397DE07E23A58C8066E15C --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=0BF1E86864397DE07E23A58C8066E15C --renderer-client-id=8 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3996
- - 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=2F4B8AC67D7AF22201966DAF994EECEA --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:348

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
51KB

MD5
ebd07c45c0a0657c6c6fcee1cd4f17e9

SHA1
4d96ab85b4265cffefe88148bd6528781630adfd

SHA256
c348607310648cccd4a00b0e63f9bfee3c7a1eced69228b7f8fcdef48f8e39bd

SHA512
b37bcf7ea80be62219bf3e831f06e8d3bad0d1e86ff029b0d13332c7a25502fe80a89261cf153713bc050fe4de33f99d3b6de4714ede3fb9f053ca63a42842cd

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

Filesize
44KB

MD5
f3c435d345f254f24e40d318e793838a

SHA1
48fc16bc69c50c233e5062d8df989e0efe0e8a75

SHA256
54aea746dd9c66ad9c611719664740a5ed5e8c1c71ca84090a3c60286b0f6889

SHA512
0d92d36242c8f559da09db8778619965d3725b77e466ff2f7798cfdb7651cdff90e0819980fc1f9bd82292351831fa1e3c087f40c823bb494b235370cf08445d

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit