244682ba4871f3dc2c9b6ad78917295d1caa7af058313c1b13871c5214f27a18

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 10:43

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General

Target

894ecc348a87d581b3cbce2952733088.pdf
Size

105KB
MD5

894ecc348a87d581b3cbce2952733088
SHA1

5957038764e1db5f960c0acabe53fbeb3f7a28b6
SHA256

244682ba4871f3dc2c9b6ad78917295d1caa7af058313c1b13871c5214f27a18
SHA512

c7b120e055a907761f70870ac593f49af2bd7a6fcaacf015bde3d160bb790a095236312d2dfc648359f003920ed1b7aa13a5a5e9a9c685e5390c7a0ca62cf30f
SSDEEP

3072:lunYCZwStCSrPrESvlP4E7uhJS77p++7in6p2f17I:eYCWAprjE+3+JS7t+Y1

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
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3120	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 3640	3120	AcroRd32.exe	87
PID 3120 wrote to memory of 3640	3120	AcroRd32.exe	87
PID 3120 wrote to memory of 3640	3120	AcroRd32.exe	87
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 224	3640	RdrCEF.exe	90
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	RdrCEF.exe	91
PID 3640 wrote to memory of 4848	3640	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\894ecc348a87d581b3cbce2952733088.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:3120
- 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:3640
- - 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=AB5257E7D4F1C601EBD86453F946641D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224
- - 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=6B92BAFB9349610FB8A120FDE0D9AD4A --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=6B92BAFB9349610FB8A120FDE0D9AD4A --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4848
- - 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=14D176E75994D6667CCF30B9F8AADCA0 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=C3AE7E62C3570F769C1160D97618BAD3 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=ADD822450A5DB95C9D885360B0F7232F --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=ADD822450A5DB95C9D885360B0F7232F --renderer-client-id=6 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2372
- - 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=C07C6A7E5842C256F7194FF08D27A554 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3936

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
597481c2900f481975b8565340b40623

SHA1
e698b21ab8fa9144707eaaf21e3d8f61a109be9e

SHA256
b4ab9437980ea7e332d1dd61a8423d675444b462f24cf087d2536fd0bbcafbaa

SHA512
784440defe749fd91ff7b80a076abfcf51f070fe71d2eb435988ebca778202f82f0e32a00729ac22d43db8bad74fb7e6a35fa78dcbef807e262acb2f7ac3fe84

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