3f6a528856438628fed777c3f76209f68a9b86c2c277b1b562030a41ad4b14a8

Analysis

max time kernel
141s
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
24/12/2023, 21:45

Sharing

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General

Target

139b070003d5dae0b080f9e45b17946d.pdf
Size

40KB
MD5

139b070003d5dae0b080f9e45b17946d
SHA1

1280945944de7d678a6b70db7688112af45336c4
SHA256

3f6a528856438628fed777c3f76209f68a9b86c2c277b1b562030a41ad4b14a8
SHA512

490b859c2a38e742eb029c7bea303be8975a13b96eaaf98223f57361320fdaf943f54cc8ddc5131fccc7eb040d0d321e7ddfee2ad9673ed17a3cf0e9a23f3ae2
SSDEEP

768:Lan9igM4gG4mqvznRz0Q+uAm9oQ7IvOFIl4wZDqa/waxBB5pxKs:LMRd4DvZLxHImYWWbxp4s

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 2260	4812	AcroRd32.exe	94
PID 4812 wrote to memory of 2260	4812	AcroRd32.exe	94
PID 4812 wrote to memory of 2260	4812	AcroRd32.exe	94
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 3972	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4500	2260	RdrCEF.exe	95

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\139b070003d5dae0b080f9e45b17946d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4812
- 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:2260
- - 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=91E246653404CB79F44FFC544ACA23DB --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=91E246653404CB79F44FFC544ACA23DB --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4500
- - 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=C347D02275FEF07A60D7E3175553A863 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3972
- - 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=918537812AE03BDD98DA195CFEB84515 --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=C17D6073720788D49C8B13173CE821F9 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1428
- - 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=68C37DB20859DFA4C54C9B133460A147 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500

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
211c1920ab788d2609518096e6bf7bc5

SHA1
8b561457fa393c352c6e820f418698d985fc47ca

SHA256
f66f75ff1def65929678e1efd52d7cf9cb70fdf71f27376b9a444ac181d2f5f6

SHA512
667e7316087f5519b27e3cd48509d550042427a5d40e9c4575db46a7851577ae0d329722b2dc6d54c0a0116540a1b202d11408b40c205a5680fbc5cbd77f41aa

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