088ee4ba89d8d1ed8fe8e7d5ba16dd6fc61b848666032cea73c0a40761364d2c

Analysis

max time kernel
199s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 23:09

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General

Target

4227fdc2e98de89e81b79619df46c379.pdf
Size

86KB
MD5

4227fdc2e98de89e81b79619df46c379
SHA1

6f1f2490b21da45a45a14239af50556cbb9308a1
SHA256

088ee4ba89d8d1ed8fe8e7d5ba16dd6fc61b848666032cea73c0a40761364d2c
SHA512

cb4e96573f72b9bd267b20a5f9df52d9df21b55cf024a9ff77e5ccb17d8acdc4c5c04dbd64a60351f26bf1a8a1b7a0ed06f0c76f2b739c61fbf404f1a9fa2fa4
SSDEEP

1536:UQDD6OObddmXUx7VbbbS9/erWmTjZlVXny+dfQB2ff5lYvoK93WkNpOPaW8+K3Xo:7Xe5dXbb/4Wrpny+dfJLYUPG+KXelc0J

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 4032	4672	AcroRd32.exe	94
PID 4672 wrote to memory of 4032	4672	AcroRd32.exe	94
PID 4672 wrote to memory of 4032	4672	AcroRd32.exe	94
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4092	4032	RdrCEF.exe	96
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97
PID 4032 wrote to memory of 4008	4032	RdrCEF.exe	97

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\4227fdc2e98de89e81b79619df46c379.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:4672
- 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:4032
- - 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=117B5BF9CEAF3C47D5C84C678E99925D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=6086033C482C371372E478370881B109 --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=6086033C482C371372E478370881B109 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4008
- - 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=15898754E79BB841343CA5F8F5B9850C --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=15898754E79BB841343CA5F8F5B9850C --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3436
- - 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=0F7248358C5E180895C4836B3CFE8009 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320
- - 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=B4FC2B992CF9F91CEFD52D428684B794 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=BF907E313E2BE676691DE7D176370FC5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796

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
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