628df4118ee3036c27395d04a7270c741a23c8ae13ab3f84bb565825eafb7007

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 01:35

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General

Target

49c7e36e344cf8b4eab55bda4d83e1ec.pdf
Size

85KB
MD5

49c7e36e344cf8b4eab55bda4d83e1ec
SHA1

febbc04b9fadd28bd72cf3cbc0550f27b73e6d6c
SHA256

628df4118ee3036c27395d04a7270c741a23c8ae13ab3f84bb565825eafb7007
SHA512

3baf07a83a1d14252d3faed37fe2fad6d41d15714a0cff6c593998fe817d082e542921f8f8ddddbef934bb9bcdef02dc5da99e3033fc1a05b19c994db12026ec
SSDEEP

1536:sHNLRir2PAXGCIJphcEU+RrMhlGSLJXaV4CLjv8F+Yky1NchkWZNwT0zW3E7TSiT:qpRiKAiUcohlGSZaV4CcFJknq0WU7GiT

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4296	224	AcroRd32.exe	92
PID 224 wrote to memory of 4296	224	AcroRd32.exe	92
PID 224 wrote to memory of 4296	224	AcroRd32.exe	92
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 3424	4296	RdrCEF.exe	93
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94
PID 4296 wrote to memory of 1280	4296	RdrCEF.exe	94

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\49c7e36e344cf8b4eab55bda4d83e1ec.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:224
- 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:4296
- - 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=EE25D334095E9D8EFB04C8CDD7AE27D3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3424
- - 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=BC44AA0DDBF78B5E5DF5EEDC0EBC63E9 --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=BC44AA0DDBF78B5E5DF5EEDC0EBC63E9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1280
- - 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=FB3A4B1C8C55856D295AECF9A507CF39 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3624
- - 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=6324434C87614BD46B80B869E4F5DF93 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=3FC21D7FE44F94C127B5078640E4595A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660
- - 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=4240207909D90F2A88B584EB9CD4F093 --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=4240207909D90F2A88B584EB9CD4F093 --renderer-client-id=6 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4728

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
0672eb82719829d55d97731598258885

SHA1
3dc126da1e17aa7d43f35d8999e567e1afb7664c

SHA256
6f7f136f788ca0188e22506b122554f965e80e7e9311dc56992963fab55a5b7b

SHA512
d5880a1184b0ccdcf461f2deabc0314338f10651704d9d5cbed4b5ccf5c869d927cec111f03c9e78345e215106325c181bc0a09fe4568d452f4287c2cb1e20e4

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit