b978727dd57fcd43670282434ed3aec7858aaf498330e1ff61d79734eb5d8120

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 06:04

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General

Target

73f9d42a089f261101717c1c74b65967.pdf
Size

76KB
MD5

73f9d42a089f261101717c1c74b65967
SHA1

3d726fec77c19fc58ff3b5a0387dd9e43c9ee914
SHA256

b978727dd57fcd43670282434ed3aec7858aaf498330e1ff61d79734eb5d8120
SHA512

706681414e267c43822e02b30ba3e9d3934bd3191053737359d6210876ca1af2fddbfa8ac0f046b3156b907350fdb0eb7586d93980a302e75d2db283de321dbf
SSDEEP

1536:DhmFJfUfv71T5YAInt8bULN0dYs0wcCXIM6ysMumGAUr6yzEVQTq0CLoJw2:lic7R5r4t8IGdYzpmrstAG6AWydOoT

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 4208	4976	AcroRd32.exe	94
PID 4976 wrote to memory of 4208	4976	AcroRd32.exe	94
PID 4976 wrote to memory of 4208	4976	AcroRd32.exe	94
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 512	4208	RdrCEF.exe	96
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95
PID 4208 wrote to memory of 2604	4208	RdrCEF.exe	95

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\73f9d42a089f261101717c1c74b65967.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:4976
- 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:4208
- - 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=BB460A136B31B4D4FE5C2F85E5768A71 --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=BB460A136B31B4D4FE5C2F85E5768A71 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2604
- - 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=8E8EFB4C68B079174CAD94544594E78B --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:512
- - 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=C205FC47256091388825DB142AD104A1 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4020
- - 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=3C5716594F0F143D8A992C0E842AC7F1 --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=3C5716594F0F143D8A992C0E842AC7F1 --renderer-client-id=5 --mojo-platform-channel-handle=1792 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4972
- - 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=0495EDF51F16D12F096961F38EE2D148 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184
- - 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=E83CE681BEDCA9B5E9D5F5D151DE77E6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5064

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
70b5cec7422c4403d8722b3a55f014a9

SHA1
8bc80ed9138de793505bc594ff15943d8b7242e4

SHA256
11a3e119e59451f31acce8d77e65a902c46379eabfaaeb635c14c3b74c93c581

SHA512
18319bbb4108ad830ba57bf9f5c3b4d20c442e1a9788c3d2cd04f5a223f04ad669d63f60588ab85000bf732b43d9cab5b98ddf011e100fecd1a347ce7bc83eb0

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/4976-26-0x000000000B680000-0x000000000B6D0000-memory.dmp

Filesize
320KB

Download
memory/4976-27-0x000000000B680000-0x000000000B6A1000-memory.dmp

Filesize
132KB

Download