94925951bcfa19292b846a88b9c241889585fba30a86b37f158d6889c2ddb860

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 04:06

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General

Target

66a7a319f3b8b383993bb18fbfd2364d.pdf
Size

85KB
MD5

66a7a319f3b8b383993bb18fbfd2364d
SHA1

e28e452fbe0efc5212ce8c44e57adba7adfcd9d4
SHA256

94925951bcfa19292b846a88b9c241889585fba30a86b37f158d6889c2ddb860
SHA512

4d58693183edf8241921fa23edd3e1809d207af4eaa4f89209979557d69da3e72efc95236dede87bfc29cf6d2db64ba4892cf5dd438c78fd7afaa14e81aca3be
SSDEEP

1536:K33X0AW5RHoNgQQLeyGSGaPBkGerqXWdWecUNXWxApOGbOGV2a:in0AoGQJ7GoeGNecUNY3GCu

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 2720	3648	AcroRd32.exe	98
PID 3648 wrote to memory of 2720	3648	AcroRd32.exe	98
PID 3648 wrote to memory of 2720	3648	AcroRd32.exe	98
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3404	2720	RdrCEF.exe	101
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102
PID 2720 wrote to memory of 3720	2720	RdrCEF.exe	102

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\66a7a319f3b8b383993bb18fbfd2364d.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:3648
- 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:2720
- - 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=372E5764B8B334FB39C79743DC9A3AF0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=50E4D156E2023A0F1788D72A36B59784 --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=50E4D156E2023A0F1788D72A36B59784 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3720
- - 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=4A6CEDFC19FF98E54CA375786E0D5EFA --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1392
- - 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=55CB939E7F329EC95211F4686924BA73 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280
- - 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=AB79675AADDF02AF86D5D34288219052 --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=AB79675AADDF02AF86D5D34288219052 --renderer-client-id=6 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:856
- - 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=0339D060A73E74BDC70BF898EEE8C193 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3180

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
7a774812ebc16d0627d00ac57358af12

SHA1
9796a64b95c9f515034f3221e7cbddcc3e767783

SHA256
60c8c88b3d17553d255ce3406b0badf686894b79b0dda2d7a007fa8d47e3c047

SHA512
a19e90e13a7208b31e92f4a3ecf3b62b76aa47859686ed0fa44e4d4ad5c0d98e3731712bd70213ad8456790453091cb2472ed42569c98f790a066d8009c58a7a

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
memory/3648-26-0x000000000C050000-0x000000000C0A0000-memory.dmp

Filesize
320KB

Download