4c4adbd55988dc759c299e63807954d5e24e0c4ca7c4636a203919b53c589a5e

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
02/02/2024, 02:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

884ed1cf78eabc250df0739302feeb78.pdf
Size

33KB
MD5

884ed1cf78eabc250df0739302feeb78
SHA1

0751d6e4828aeed3052ca0ecc1fc8924fc77e2e2
SHA256

4c4adbd55988dc759c299e63807954d5e24e0c4ca7c4636a203919b53c589a5e
SHA512

5f268ae4bac45e247f831a4b994db247c18d45056ca2b98ff36d7e5cefb8610c2f17b73a4a9c7e1ac58d1115a76a92e10fe55da3d6d4196258a447c8d9dd496d
SSDEEP

768:AB4cdjyzGSSBZt+TZ898OuXHKsytLnJ0Uv1NQvNj/bsE/dISfHQqRx0DRLGj+i6s:AB4cdjySSSBZt+TZ898Is+Lz1NQljbhD

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe
3980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 228	3980	AcroRd32.exe	89
PID 3980 wrote to memory of 228	3980	AcroRd32.exe	89
PID 3980 wrote to memory of 228	3980	AcroRd32.exe	89
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 4380	228	RdrCEF.exe	90
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91
PID 228 wrote to memory of 3848	228	RdrCEF.exe	91

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\884ed1cf78eabc250df0739302feeb78.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:3980
- 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:228
- - 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=E58FF775964F0FEDB1FC8C22228C7A41 --mojo-platform-channel-handle=1708 --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=63AF2A83970F0F7E403ADE261B0A81BC --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=63AF2A83970F0F7E403ADE261B0A81BC --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3848
- - 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=D454F08F5DD013BD1367902E3C516EF4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:540
- - 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=A33B497A0D47346A1FB9F5115C9F9C14 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1544
- - 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=57CEF4B7FBB8B62528BAB6E53F0BDD4B --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=57CEF4B7FBB8B62528BAB6E53F0BDD4B --renderer-client-id=6 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3628
- - 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=FD0936199A95447AC9A9C16B9C46AFBC --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3240

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
f648a23dcab1ec36002dcea61d7b72b5

SHA1
5cf5ab99b7b6223b17251b9c158579fc276f64f8

SHA256
59fcad571e3172562640b19834bfe891fafdd46857dade2830cf76e36f9fc134

SHA512
e218819306a5ffc66ad00de20e206b41731aac00dccd32a8a77a43c6a9ee797831f04738742e74dcbe8b87c91c34e8320890a81026e58ed1e6309aa99bd9d070

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