49ad6af4581ce8f51725c15db9ff05f8e9f48647d846db09cc8ad37662da4539

Analysis

max time kernel
142s
max time network
125s
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, 13:05

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General

Target

9772d4e7ae4b4ddb1853792cd029588a.pdf
Size

79KB
MD5

9772d4e7ae4b4ddb1853792cd029588a
SHA1

614cc5dde20b2e936394e6ce99dab9826a2504a2
SHA256

49ad6af4581ce8f51725c15db9ff05f8e9f48647d846db09cc8ad37662da4539
SHA512

d331107e00461194260b81f512cda5b75787f4fcbbdccbcddf91b1e070b6754146243788a3f8c21da5806a8d8178d0c3fd7e28ff37f950523b101bd1163a9a06
SSDEEP

1536:yDVJ7Jus1v1H6bjO65NjzSQdM3foUWspORZE2yQWKiQRBaSX:4VNJLJ63d5NuQddPRSlSdfh

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
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 5052	4832	AcroRd32.exe	89
PID 4832 wrote to memory of 5052	4832	AcroRd32.exe	89
PID 4832 wrote to memory of 5052	4832	AcroRd32.exe	89
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 4632	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 3128	5052	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\9772d4e7ae4b4ddb1853792cd029588a.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:4832
- 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:5052
- - 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=8B06ADE0D20C7B77DB4CF23D975C30B3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4632
- - 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=C39E59D0993ED286B626F14DCD23DC2B --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=C39E59D0993ED286B626F14DCD23DC2B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3128
- - 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=8632F5E509C9EEA380E54A55AD47591D --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1564
- - 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=A67B15EA299A2B171222496B189A3F0D --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4224
- - 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=34523ED997AF630D304D56683A199C41 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1052
- - 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=CAD5623D86B588FFE1C3A0517BD8E2E2 --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=CAD5623D86B588FFE1C3A0517BD8E2E2 --renderer-client-id=6 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1680

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
f9aec4cc6f4d8a456d31ba8df12d439a

SHA1
65c28dda8a81803522f338f38313aff9106d5235

SHA256
38853b5a128456ec9cd0c9a78bc71fe64c8a746e92313e4033160c4792566661

SHA512
bb3d272c5432445afda18d20c19f5535313cb2721b3a65729246ddb8f264d764b7fa5e98356eac7f40eabe230a3f5384271a0969244916976c7d3d1022190312

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4832-25-0x0000000008D40000-0x0000000008D90000-memory.dmp

Filesize
320KB

Download