bc75bf3ed17751b6a5cbbec94b0fe389d43851355b68b4b6c6716701a8c327dd

Analysis

max time kernel
169s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 21:40

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General

Target

1d5139737f64a27685f05bc4807b9a30.pdf
Size

83KB
MD5

1d5139737f64a27685f05bc4807b9a30
SHA1

9a265d03f0f3fc74d2d146dde1b4f6262b78b9b8
SHA256

bc75bf3ed17751b6a5cbbec94b0fe389d43851355b68b4b6c6716701a8c327dd
SHA512

afbd3d4767211c5dd04fac64678b573de3e43d32bef0fb04fdcd2177c866ca21612942f0b01798cc4de46221225ee2c3916733404f63c637bd23b22be1507bde
SSDEEP

1536:T4xDgBcuHkDo1xyNU+BYZ0QvIdZvu61ERvQa7WDelpKGHgoA:RH8NU+BYZ0QvIdZmB3KelpKGHi

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 20 IoCs

pid	Process
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 4100	4224	AcroRd32.exe	97
PID 4224 wrote to memory of 4100	4224	AcroRd32.exe	97
PID 4224 wrote to memory of 4100	4224	AcroRd32.exe	97
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3508	4100	RdrCEF.exe	99
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100
PID 4100 wrote to memory of 3360	4100	RdrCEF.exe	100

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\1d5139737f64a27685f05bc4807b9a30.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4100
- - 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=6BAB9187956201C5E74F0FE3235CE6EF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508
- - 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=4816848ACF9B566A99CAA3B9C762E007 --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=4816848ACF9B566A99CAA3B9C762E007 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3360
- - 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=D02BBE910FBC2AE5D73D580E3DE090D4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380
- - 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=A8D492ED55DBC161727C5837670601D1 --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=A8D492ED55DBC161727C5837670601D1 --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1108
- - 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=20748F3E72AE47C7B98345D42999BC03 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:932
- - 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=9778F5A056DA239A28D8F91C04A09B8D --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2152

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2868

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
f3c47d049baaa2cfc8e6a635cca2c8d1

SHA1
8ba8c712de8d1d88ba467a5757e2b8b21c71a2e2

SHA256
15fa41282ec2244f7f61ceaf2982bbc302a4d6533a296724191826cc33417fe9

SHA512
07dedada5ee8e9cd12d7e94ebeedbd88773c6adc1de809bdeed58ebe828c6cdc6dcefaa7c995d576499fca4becd88f9b3693c8f2d6af8cf4da775e2c0125dd16

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