8c49a529db69db5a701fa6056d23ea78622441b70e1c5b83691d9084d6f9559b

Analysis

max time kernel
161s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 22:39

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General

Target

05db4c76a06b25417db5b530aac78074.pdf
Size

50KB
MD5

05db4c76a06b25417db5b530aac78074
SHA1

cc2a2c766b52ed1aec4e6e8d6cab1f573b158c3d
SHA256

8c49a529db69db5a701fa6056d23ea78622441b70e1c5b83691d9084d6f9559b
SHA512

36ed1d72d6811973891178083658973119bcb748d8768735b781e1a607a81bd005a5457f47d6f209ef0e6184007f63122c341c2f45db5db61a3e6e1e82b7f02e
SSDEEP

768:Xvj+OoYTvLiY4gV/D0mOp274mOtH6o2TZCMYoFI9v8XF0+v8XW4WLkKziaWv4:lVv/VQn9vQo6ZCRoov20+v8mVwZac4

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 4500	1524	AcroRd32.exe	96
PID 1524 wrote to memory of 4500	1524	AcroRd32.exe	96
PID 1524 wrote to memory of 4500	1524	AcroRd32.exe	96
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 4996	4500	RdrCEF.exe	97
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98
PID 4500 wrote to memory of 2484	4500	RdrCEF.exe	98

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\05db4c76a06b25417db5b530aac78074.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:1524
- 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:4500
- - 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=3470474CBD46528847517FEBE6C548BE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=0777A9566CA371B77A0AE74A70260FA0 --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=0777A9566CA371B77A0AE74A70260FA0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2484
- - 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=BF1F3AB8B3C0DAD744D6222AD22EEE61 --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=BF1F3AB8B3C0DAD744D6222AD22EEE61 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5080
- - 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=76505E5FF2B4677EB291EAE20181AED1 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1704
- - 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=A693795226494009CA26F3D95D3F259D --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3596
- - 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=BE3D0976B31A2CE483EF2340A21514AE --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1224

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
1b9f3184ac987ef409e1e3159a32d4c6

SHA1
3957534edd611ff6d06bdabd50472f0720f2bc90

SHA256
2117ad79e759e1288f69e7b628ef580c2ec9ff9a70850b52cfa849e58cdcef3b

SHA512
27567f6a472d6eb01adc168e74b5433b6b9344f3fb480cf259abc0a4897d8c22af5e2c4bba606a105060f99d8952737c394766ee4306044cd42100eac545b7ce

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