b3a180386c8920774534fd6f9552c4e97df03006bd9bfe65701610d1130f9c66

Analysis

max time kernel
195s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 13:42

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General

Target

bb681429503d5711d908b099458326ef.pdf
Size

72KB
MD5

bb681429503d5711d908b099458326ef
SHA1

0ec09eec570a55c0fe10ec6cb9348457dbe5cb3c
SHA256

b3a180386c8920774534fd6f9552c4e97df03006bd9bfe65701610d1130f9c66
SHA512

75ca38c0d2f8827b267152944913ee1834a7bc77bdaa58cab752dee84f536c2df67c6ab16e58ab20a2a485377b10b799b2f870e2732a15e0e107d6627a20a492
SSDEEP

1536:kbinrt+zsbaFaZg64p0zxQl0/LktiM7D86bQdzcOWspOuXH1ROOOWsVr6P:Eix+zsPZg6XQK/YzbQuuh+Vm

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2240	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe
2240	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 3636	2240	AcroRd32.exe	101
PID 2240 wrote to memory of 3636	2240	AcroRd32.exe	101
PID 2240 wrote to memory of 3636	2240	AcroRd32.exe	101
PID 2240 wrote to memory of 2016	2240	AcroRd32.exe	105
PID 2240 wrote to memory of 2016	2240	AcroRd32.exe	105
PID 2240 wrote to memory of 2016	2240	AcroRd32.exe	105
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 1532	3636	RdrCEF.exe	107
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108
PID 3636 wrote to memory of 2408	3636	RdrCEF.exe	108

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\bb681429503d5711d908b099458326ef.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:2240
- 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:3636
- - 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=BF0E7B9A7DE3DFF98C412C45C579DD29 --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=BF0E7B9A7DE3DFF98C412C45C579DD29 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1532
- - 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=E665B69CD0B992F722FA6DA7AE9F7144 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2408
- - 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=D7E761C1227715429DF8D26E7797020B --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=D7E761C1227715429DF8D26E7797020B --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3488
- - 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=910206F67B925B6D3F54ABF32534DC00 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=8116B76A2FB0B6FECFD1AD8B1C005E0D --mojo-platform-channel-handle=1144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1556
- - 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=9C8A4184FB5E11A40F663503377C6234 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:948
- 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:2016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3256

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
386e6711592653983c152917b6026622

SHA1
e24521b288a6e8fff8203e980f9bf858997cf32c

SHA256
27cf9f737bf1c45750bac98a995b94f5ca0f2dcc93f784434f5f0ed1c8186024

SHA512
12cef4b61125e00c9dea8bf952f6753a1fe6f8b532e0c38d05607b346d1caffddd9b9ebe821a527f60d7674dda4fec0cfc6d27cb581e246e0dbc28efe8c2f929

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit