33dafc2c83da94fe0e19a0188abc405bcae842686882974c654b9033168fa4c3

Analysis

max time kernel
159s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 04:48

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General

Target

0f04243dc9ca4ed277f3363aa3ff43a5.pdf
Size

93KB
MD5

0f04243dc9ca4ed277f3363aa3ff43a5
SHA1

7f028b43838edcf654230ec801b1236e12d70cd7
SHA256

33dafc2c83da94fe0e19a0188abc405bcae842686882974c654b9033168fa4c3
SHA512

cee9f5790576bea8913c7945ff776e863e02b989ff2808fa2a6a07cc8cb5c33ef37a152f19c1442dc64046e4000583ac4d22c02f6966a6814b95e9418931a4d2
SSDEEP

1536:trrLQTv/k3V9A5OCtmyI9KLEz6urjXM9mM2RIujR+WApO6Jlqg09WL2h0J/y3WA+:0vdlcrKLEmkjXM9DgIIF6Jlu2L/ydnU1

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1716	AcroRd32.exe
1716	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 3588	1716	AcroRd32.exe	103
PID 1716 wrote to memory of 3588	1716	AcroRd32.exe	103
PID 1716 wrote to memory of 3588	1716	AcroRd32.exe	103
PID 1716 wrote to memory of 2656	1716	AcroRd32.exe	107
PID 1716 wrote to memory of 2656	1716	AcroRd32.exe	107
PID 1716 wrote to memory of 2656	1716	AcroRd32.exe	107
PID 1716 wrote to memory of 4676	1716	AcroRd32.exe	108
PID 1716 wrote to memory of 4676	1716	AcroRd32.exe	108
PID 1716 wrote to memory of 4676	1716	AcroRd32.exe	108
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 3748	4676	RdrCEF.exe	111
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112
PID 4676 wrote to memory of 4928	4676	RdrCEF.exe	112

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\0f04243dc9ca4ed277f3363aa3ff43a5.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:1716
- 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⤵
  PID:3588
- 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⤵
  PID:2656
- 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:4676
- - 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=FC42427605FBE1A524A5AB45AF6A0C9A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3748
- - 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=1A0CE30010375DF3C3130B9EBD6C4620 --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=1A0CE30010375DF3C3130B9EBD6C4620 --renderer-client-id=2 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4928

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
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