51e551fae691d4a617c921082e69c590cc284d76b4ed186a34aa4eb96db13417

Analysis

max time kernel
142s
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, 02:43

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General

Target

762d3f7219598737705287554c52e384.pdf
Size

14KB
MD5

762d3f7219598737705287554c52e384
SHA1

b574acca69467a0b05654a76665e58c47dcf7430
SHA256

51e551fae691d4a617c921082e69c590cc284d76b4ed186a34aa4eb96db13417
SHA512

d308ef057bb9a99c5bd602e94b5103669ec516d80f004ce3c451a3932028a4aae0ac1e067a2d69c3c7c6fe442703700365005fdae2c5f229c0541ca08fdaa988
SSDEEP

384:phzaNwAO9GiqhqiqXPY+ZMdsx/XUF7/Qi/60G7Avzv8:XhZGiqhtga/QC6dazU

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
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 3356	4704	AcroRd32.exe	93
PID 4704 wrote to memory of 3356	4704	AcroRd32.exe	93
PID 4704 wrote to memory of 3356	4704	AcroRd32.exe	93
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5100	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96
PID 3356 wrote to memory of 2300	3356	RdrCEF.exe	96

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\762d3f7219598737705287554c52e384.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:4704
- 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:3356
- - 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=D50B14B471B309E190FE686A64B0F93F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=9F0BAC5F11D118E5918A88A595333588 --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=9F0BAC5F11D118E5918A88A595333588 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2300
- - 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=7078AE05ECA7EAF05FDE435FD735CBEA --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:952
- - 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=878A32BED41879673A48AA88AD68DCFD --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=878A32BED41879673A48AA88AD68DCFD --renderer-client-id=5 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2816
- - 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=0138D32AAD5B40D63F13BE0716D32959 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3304
- - 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=E1EE57B4128EBC34FFC4508BD4EC26B0 --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4768

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
83d9d1a22b7f4662f2cfb5c7b30e52d5

SHA1
1173a28200179f9d68d9a418de088886a1bf6abd

SHA256
e8fb16849513a0b1a9c3e8994440703e71c94adc48b5e6c3ecee7cb654ee5532

SHA512
7f43cb86d7d5bcd322d15d623410cf04327eeef15ca7ca18301431d2093cace09f2c5326b0a3f044d225e448fad8d265f234289339f696b848bdb12f90c61d46

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/4704-35-0x000000000A9F0000-0x000000000AA11000-memory.dmp

Filesize
132KB

Download