2292d4eed25088550b54c8c7c691963f56ea588079257fc7b41b6b6b34caffad

Analysis

max time kernel
143s
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
26/01/2024, 00:43

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General

Target

75f0058a1df74f809ca7eb03489bf711.pdf
Size

114KB
MD5

75f0058a1df74f809ca7eb03489bf711
SHA1

3a83df61c0216f0b3b59183b217c4ad8560cad32
SHA256

2292d4eed25088550b54c8c7c691963f56ea588079257fc7b41b6b6b34caffad
SHA512

91fbdb2cd47b4ffdd39aec95b95c05f1da4153ae41d483a34a335c6c4e3ad08b7e50861258ec900d5869c77c53c7b283cb63f340f2a53cd1d574e65a04106c5c
SSDEEP

3072:9iQTzgV2o1M4LYMMZRSkbz6qsdYfown0v4aiTsfGc:9xTcV2CMYMrSAz6qsyzfefj

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
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4240	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 3260	4240	AcroRd32.exe	94
PID 4240 wrote to memory of 3260	4240	AcroRd32.exe	94
PID 4240 wrote to memory of 3260	4240	AcroRd32.exe	94
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3732	3260	RdrCEF.exe	96
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97
PID 3260 wrote to memory of 3572	3260	RdrCEF.exe	97

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\75f0058a1df74f809ca7eb03489bf711.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:4240
- 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:3260
- - 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=70544C72339AB4148AB630186A9E0455 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3732
- - 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=53F5048354B4D0B52757731C841F78FA --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=53F5048354B4D0B52757731C841F78FA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3572
- - 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=9C65A0C37806A11D26EE8E6198EE465C --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=9C65A0C37806A11D26EE8E6198EE465C --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1244
- - 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=CC6E061D551B422A5EC3178A88016234 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432
- - 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=BDEB40BAC6A098D996C7F0E7FCA460B4 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3672
- - 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=A318188FC3EA0F315A97CD66B1AEDFF3 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1664

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4436

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
6b9df2bfd65375bc055adab26a59f9ea

SHA1
d7e5de3afd270ece03af2cbd59928ee7041f96d0

SHA256
87d4c1218369d92d36e8efc4c4bfc1604a7294410ea9f13b686772fd4c91b589

SHA512
d734ecbf07514152fbe82dcdbfbcb2fa0b63e5bba1865e87c93e06a88af128ff088951b56be8ac8a3b8ca24855a896fa57f961cd138f27353f043245326e6ad7

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/4240-28-0x000000000DFE0000-0x000000000E001000-memory.dmp

Filesize
132KB

Download