c2a68ec428bcc2241d7ecfb925dc86ff9d7c987d2dbd7db1ae2237ae983786b2

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25-02-2024 08:01

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General

Target

a345c7a5272451ca8e95ab8f064c4260.pdf
Size

86KB
MD5

a345c7a5272451ca8e95ab8f064c4260
SHA1

0e7e232011428aca609145d0cffc9fa883eb80e6
SHA256

c2a68ec428bcc2241d7ecfb925dc86ff9d7c987d2dbd7db1ae2237ae983786b2
SHA512

bbcfe5131297dd302793fc42abef60795fdc0516c0e6c995f9079e9d66ed6948c621ff4e003799a5d56f8787ae42f7373c1a21912877768e08f2eda2d521253e
SSDEEP

1536:l3vVroeIsrEOvsQVvLf8416jIaVx801LOswA/gQWkNpOPokgbduspwWwe/mCt8O8:d6RsBs8j31kDVf17jYPohksp4e/RKOeP

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-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 3908	5104	AcroRd32.exe	90
PID 5104 wrote to memory of 3908	5104	AcroRd32.exe	90
PID 5104 wrote to memory of 3908	5104	AcroRd32.exe	90
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 3348	3908	RdrCEF.exe	91
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92
PID 3908 wrote to memory of 992	3908	RdrCEF.exe	92

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\a345c7a5272451ca8e95ab8f064c4260.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:5104
- 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:3908
- - 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=444ED0E3A1C9EF194C852D2892C62819 --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=444ED0E3A1C9EF194C852D2892C62819 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3348
- - 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=0FD48388A346BF906E8EFBCEF82E713D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:992
- - 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=8DAB31F53E498E8EF8D74A72F3B044BF --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=8DAB31F53E498E8EF8D74A72F3B044BF --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2444
- - 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=B7B07575F3B1802B47A784F19DBF31BA --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- - 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=ACCF8DF3968BF669073348474A86BAA0 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2240
- - 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=E79D271405226B53018FBEF5B21AED5B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3688

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
450ee850badec8ae79dcc057ca6a2ac2

SHA1
5f2aeb66258526dcd6fdba96cfecd81498131fc9

SHA256
6419fdf2d81d62eca2233b08ae55fef131c8fdd650fc03a9aa1af13c1a98f2cc

SHA512
6cead7f0cd90bc9e336571316f9af04567458d0f5844532aaab986b2a7fe371a51c8d2af16c87031bf7d678f2d22bb622978dfdbe5b2a4fb05f8d5aaee21b5ab

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/5104-28-0x000000000BBD0000-0x000000000BBF1000-memory.dmp

Filesize
132KB

Download