48bbb7baf4fb78aacdb1d1f1f41c4c20a80196a983221a24d73398c2f5159852

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 22:21

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General

Target
b9ce3525bda9d3b9bfdbf16c8e3c62e8.pdf
Size 13KB
Sample240307-193zrafe93
SHA256 48bbb7baf4fb78aacdb1d1f1f41c4c20a80196a983221a24d73398c2f5159852
MD5 b9ce3525bda9d3b9bfdbf16c8e3c62e8
SHA1 4a45599dbb50deba0afb72103076d395c29201bf
SHA512 448dba4e21998aae900b1fd7e324fee05a8329bd3c3be6a4a9054bd274079105d48104bbe046cde9f919f97f40cdc16d520bdee5bde4c0688cd9a5c4bfe8f189
SSDEEP 192:nQhzajYqwAO9G+/vvTs7hXbfym4GJVbBftJy/suiXmMQvQNi/60un/T+xsSHzY:QhzaNwAO9GiM5fdttt1uQi/60G7+28s
MD5 SHA1 SHA512 SSDEEP

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4484	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 3744	4484	AcroRd32.exe	92
PID 4484 wrote to memory of 3744	4484	AcroRd32.exe	92
PID 4484 wrote to memory of 3744	4484	AcroRd32.exe	92
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 1516	3744	RdrCEF.exe	93
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	RdrCEF.exe	94
PID 3744 wrote to memory of 4604	3744	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\b9ce3525bda9d3b9bfdbf16c8e3c62e8.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:4484
- 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:3744
- - 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=48BE86B661C4E1CC2B613DA4673B227E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1516
- - 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=95478B169F908B65E613C26D40A2F50D --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=95478B169F908B65E613C26D40A2F50D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4604
- - 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=21B1093DB950681F9C67F2E143D510CB --mojo-platform-channel-handle=2184 --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=FD7015162F30D41C0954497D76199EAA --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=AE7544254A02169D4319B530C17A9138 --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=AE7544254A02169D4319B530C17A9138 --renderer-client-id=6 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2896
- - 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=B043631FE4998017E90A227B5AA9858B --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3616

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 906ab73034bd6715a2887303b4f10fff1d93cc22e71abfabce5c0a300b088873
MD5 40a4358b5e20637318c8dabded2996ee
SHA1 384e3eb744491a739a165bbd25fb7f4c39c56dc2
SHA512 1c51445c06776d286358dbbba31680e1d3c6faa657db0a13556901b5c07d85d39fb7dd7740e70620a3e2d8b3fad2097739ead2bf42a5cec6f5e0866e0247990e
SSDEEP 384:yeUdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:v+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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