5b52fefbd7b6ca57376a9afa9b82463caf602d0a8831df38e7a013e58dc5f6ed

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 03:40

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General

Target

4d3e5ed452e64801af20cf7e6fcc61ff.pdf
Size

93KB
MD5

4d3e5ed452e64801af20cf7e6fcc61ff
SHA1

04d128a0a505d15b27aca9f0d52fe0e5a219c7d3
SHA256

5b52fefbd7b6ca57376a9afa9b82463caf602d0a8831df38e7a013e58dc5f6ed
SHA512

f3e7a919d639f52da17e80f97b0d88e07f7ca76b7b5768e681a21322493c0ace6374361a2c15a06692f3803eff26404452c60850aa575eb3b5420575924eba8b
SSDEEP

384:B3O+eOyEwnt+IthrXtJrcZiLHQOtvatO7JJAjWYRtzOwy/1PDUttFVYtlnPFKu/C:xH

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 3340	1116	AcroRd32.exe	94
PID 1116 wrote to memory of 3340	1116	AcroRd32.exe	94
PID 1116 wrote to memory of 3340	1116	AcroRd32.exe	94
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 2956	3340	RdrCEF.exe	95
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	RdrCEF.exe	96
PID 3340 wrote to memory of 3512	3340	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\4d3e5ed452e64801af20cf7e6fcc61ff.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:1116
- 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:3340
- - 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=8AF1D11819AAE44BB8029493A2E4A89A --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2956
- - 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=F9276E43CD4541CE1398E17E6AE457B4 --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=F9276E43CD4541CE1398E17E6AE457B4 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3512
- - 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=82CED12B1352B759AC6C44FD4CFC3E32 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3860
- - 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=7A76D9046326BB9DA30A0C448FDECDD5 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640
- - 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=9810A4253AC564C038413C089DB18B3E --mojo-platform-channel-handle=2244 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=B5AA5BE603232AB1495E9D1B183E6ACA --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=B5AA5BE603232AB1495E9D1B183E6ACA --renderer-client-id=8 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3336

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
6adab9e622ce15d3084be821684daa80

SHA1
b3bffdd88f91a985cf5cfbd36d1fd69870a8b9f0

SHA256
cc84bb7f58b925fe0e43cbfc795774a075cd92673cbcd1b72a3d6d5296586932

SHA512
b255118720250fa58fed763d5a85eb660961d571d5f1edf2203c102e4fb3c3ec0447833ce049948a9a0928358470f09d9fa1c5f96b1825566dc968e92243a09c

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