715f2621df001e36e8e9b9f25506d8d488dc3977bd4d4311c2182e7a13a76226

Analysis

max time kernel
170s
max time network
165s
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 03:13

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General

Target

594538db7be1c69de460d193683dbdf9.pdf
Size

44KB
MD5

594538db7be1c69de460d193683dbdf9
SHA1

f8355938dda90239c0d1daede2fd6d2681be72f5
SHA256

715f2621df001e36e8e9b9f25506d8d488dc3977bd4d4311c2182e7a13a76226
SHA512

0bdf6cfc093540017a7bb417e9c620e0e13adb5defac0681c5db0d4d86fc017a97c4cddc0cc1aa8f68d0b3261676befd252765a107dc0c1b4f800182bf90f18a
SSDEEP

768:ZnZ+7pRggrSSp7zqXZJAjIbAd4fZsdHKaQn2/tBo+PTiNl:xodbSSp6RbE8sdHKaQKBoDNl

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 3924	4364	AcroRd32.exe	94
PID 4364 wrote to memory of 3924	4364	AcroRd32.exe	94
PID 4364 wrote to memory of 3924	4364	AcroRd32.exe	94
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 3348	3924	RdrCEF.exe	95
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96
PID 3924 wrote to memory of 2600	3924	RdrCEF.exe	96

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\594538db7be1c69de460d193683dbdf9.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:4364
- 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:3924
- - 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=673EC678491486394FF3C976A0CD3106 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3348
- - 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=171892972AF136CE4AAAC1B86650E6DE --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=171892972AF136CE4AAAC1B86650E6DE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2600
- - 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=6168E0DD12FBF69BD705FC91BA2AEA8C --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=6168E0DD12FBF69BD705FC91BA2AEA8C --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1900
- - 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=2698AE211AA33CAE1A6C3D8F84101A2C --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=660869473D2B94DC5A5657A368C75AE7 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1192
- - 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=5D3BCDD67457DA372C576BF8B071C1B1 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028

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
64KB

MD5
0077e2f9592dca6e7d02e2a16dc80c7c

SHA1
6908c1bcc6dd448a0776fe4e1d4b71aae72577e8

SHA256
f3775f68eef7c7ecaa579ce5ee87f09573835337ca0d047ac2f85acd7012987e

SHA512
bdb90db91e6801ae13dee4a0cee01198a0f0046c16089d3f18bd4caefb48f2f767dd6f0b5da4e369dd1a3d9ba7a8f9329208ed82cb20bfbcac02b5efe7d90341

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/4364-28-0x0000000009890000-0x00000000098B1000-memory.dmp

Filesize
132KB

Download