8d67121abd3b5a76c567f6dfe7220a8c005a85dda9c99cb8a03a791fdc1fc28d

Analysis

max time kernel
144s
max time network
158s
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 08:20

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General

Target

13441183255792695247f7456cf28588.pdf
Size

70KB
MD5

13441183255792695247f7456cf28588
SHA1

b708f1e4f851c578e9882e00b0f0948bcd170616
SHA256

8d67121abd3b5a76c567f6dfe7220a8c005a85dda9c99cb8a03a791fdc1fc28d
SHA512

d504ad926246c745d90cf1029d6c9124e1f0af1bb2a5eaa251d49d2d9a52ca6339aa13a8e574095811f2ab45e6afbda5d63f22c98a444d5696c09a3150c9904a
SSDEEP

1536:t2xzVAlFhnjieR6yffobhIWO1B0rHQhDvlqNv51RNG214FXbK:s8VXffihNNQJqNv51RNS2

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4584	3936	AcroRd32.exe	91
PID 3936 wrote to memory of 4584	3936	AcroRd32.exe	91
PID 3936 wrote to memory of 4584	3936	AcroRd32.exe	91
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 564	4584	RdrCEF.exe	92
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 4592	4584	RdrCEF.exe	93

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\13441183255792695247f7456cf28588.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:3936
- 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:4584
- - 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=1729362BB15D388C3CB6E62661223604 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:564
- - 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=2D9A63819D3E0CD7EAFA8D04AC4294E1 --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=2D9A63819D3E0CD7EAFA8D04AC4294E1 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4592
- - 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=A35FF4E86FC856BDBAEEE7C181DFD088 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748
- - 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=165AA7629347098B2C9AFCFD4F7DDC23 --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=165AA7629347098B2C9AFCFD4F7DDC23 --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5056
- - 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=D2837CB9E15704CA023991610B1BBF67 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:500
- - 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=A4FE45B6CECFF9BA8E4D865CF9CFEA13 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2920

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1452

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
8823a5cf7ec4e252540e267083b084a4

SHA1
fcc4ebfa83c5e0e493c177ba60495c8f7357deb8

SHA256
16369734571d1d4bfadcac3b2916cfbd7ac7fd37d8a5dde95e1c65895de53f7f

SHA512
559292c23f4133f9372fc4a5f0872608ec2a8e1bbe511249438fa1713b4db3e446636eb50e4c1b89422822cb9c616086ac2d5b979a6fae99164e5ff7e7f4b9d0

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