eb07a175f09133abb8ca9b8eed9f54d47bb01686759e689d889f2abf591adc82

Analysis

max time kernel
144s
max time network
160s
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, 21:33

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General

Target

1d1e95e9e956f4c6e3cd93b80d34ba16.pdf
Size

88KB
MD5

1d1e95e9e956f4c6e3cd93b80d34ba16
SHA1

e1010598395f87e4237693237de221b8793ab0bd
SHA256

eb07a175f09133abb8ca9b8eed9f54d47bb01686759e689d889f2abf591adc82
SHA512

317115f18939ed2298b2157e86b4f64498fab52cb60e8b4c3103abf1c93808a6497428f87d3a14db0ddb741e0424374eb04dc633d1519ef7a7d2dc10d83dc536
SSDEEP

1536:vwo6ZRMv0RVr4/m0pdM89kEDV/Oyz/KvD4MNAk5WgYFECa+4io0OWWUpO7L1h:Ykv0r4/mwdMOkEDV/Tz/8G5a+4MOh7z

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe
1048	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2900	1048	AcroRd32.exe	91
PID 1048 wrote to memory of 2900	1048	AcroRd32.exe	91
PID 1048 wrote to memory of 2900	1048	AcroRd32.exe	91
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4444	2900	RdrCEF.exe	92
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	RdrCEF.exe	93
PID 2900 wrote to memory of 4648	2900	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\1d1e95e9e956f4c6e3cd93b80d34ba16.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:1048
- 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:2900
- - 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=87B3DE3B07254B20FBDE3D1FF4F5FCF2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=32628EE655D29AF7262F7F0F21887EDB --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=32628EE655D29AF7262F7F0F21887EDB --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4648
- - 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=7AA8B1E44ED61C157F1B0B79F1BCC81E --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=7AA8B1E44ED61C157F1B0B79F1BCC81E --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2464
- - 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=1EEF52B6A2F4A0A3A45EE3902936906E --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=DB501578E9223A53AD6F79B63FF09C4E --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=DAE9984D31FFB8EDB0174649C0DD1D41 --mojo-platform-channel-handle=2036 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3116

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
9439ffc068583a2b5380116e5062ed33

SHA1
754e44cf4b9dbd74fa6ae6c48446b1a13e3086dc

SHA256
98199cd77b5f5982123719c974abe5a0a9a487bf310dd8662d3ff5b05bbfb231

SHA512
020ef9c12aa962b54818fccada5f1a53edd9d3a5d0eb9ae53ae6d9c8e34e960f18c068fc48f096fd52ee5984d7ea535f87dddb6b74e638dedc8fa64e1c5d72b7

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