97b847cab188e6a1bab9c62d51a35ddbad3d9697faa1cb38e008f5a195ea0cd3

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:06

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General

Target

0402e901cb755f4391ce3751142ca44d.pdf
Size

87KB
MD5

0402e901cb755f4391ce3751142ca44d
SHA1

77af8508e53fbe68ec17824f01ea82d2319ee2bb
SHA256

97b847cab188e6a1bab9c62d51a35ddbad3d9697faa1cb38e008f5a195ea0cd3
SHA512

9c9e04fd2ea279c1cd20b7a3323a4a4fea3ce86fa7b1e859491226a7ab8d814ffae1c571d7c7311c10fa1640da745e958b32c2495e919e2e13afeff9d7d567b8
SSDEEP

1536:FMG+Wa7HvkOTFJC9ktVlHQKTCb4wd/tnRcGmMKUmsjW2V741pwYSNgWspOR6ebd:uG+Wa7HvkOZjw7swdFGdvi9kEHN7RX

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 2744	4524	AcroRd32.exe	91
PID 4524 wrote to memory of 2744	4524	AcroRd32.exe	91
PID 4524 wrote to memory of 2744	4524	AcroRd32.exe	91
PID 4524 wrote to memory of 1568	4524	AcroRd32.exe	93
PID 4524 wrote to memory of 1568	4524	AcroRd32.exe	93
PID 4524 wrote to memory of 1568	4524	AcroRd32.exe	93
PID 4524 wrote to memory of 4320	4524	AcroRd32.exe	97
PID 4524 wrote to memory of 4320	4524	AcroRd32.exe	97
PID 4524 wrote to memory of 4320	4524	AcroRd32.exe	97
PID 4524 wrote to memory of 2464	4524	AcroRd32.exe	99
PID 4524 wrote to memory of 2464	4524	AcroRd32.exe	99
PID 4524 wrote to memory of 2464	4524	AcroRd32.exe	99
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4384	4320	RdrCEF.exe	101
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	RdrCEF.exe	102
PID 4320 wrote to memory of 4984	4320	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\0402e901cb755f4391ce3751142ca44d.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:4524
- 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⤵
  PID:2744
- 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⤵
  PID:1568
- 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:4320
- - 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=C460CAE63FC0F1D350EE337A9DFEEC98 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4384
- - 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=85D7FCF26383589C469222DE40E736BF --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=85D7FCF26383589C469222DE40E736BF --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4984
- - 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=37E733EFCF22C1FE3B56925A27B3F304 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1256
- - 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=8EFD6C7407F768DF614ACC8208BC09B2 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=0B639CD63249E4D814A3813CF13302FD --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=E680B0E216FF822C1E22EF294327F73A --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=E680B0E216FF822C1E22EF294327F73A --renderer-client-id=8 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4348
- 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⤵
  PID:2464

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
aae1b36ecc7d35e5f6b1247a26bc92a9

SHA1
56cb091132c440ad8ffac65b7b31daa41421623d

SHA256
9a464d9372f5992a543ed0b305e949d9b86ae7ce47ff9a7b354795455a2ad7fb

SHA512
ff3c760d4decfd9ad848c6482de542ae584208ae86d4632c170667d319520bbabbebf144592015d22e1715f31c117a182332a362a9a907266bc108fc8a720308

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
memory/4524-141-0x000000000D200000-0x000000000D34D000-memory.dmp

Filesize
1.3MB

Download