a5c4c0dbafd5725b36af37b7db12fc857e8b770754130739747516ca21a0cb72

Analysis

max time kernel
144s
max time network
150s
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, 09:43

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General

Target

823b14bf627ced684721ec8b3c11b4e4.pdf
Size

41KB
MD5

823b14bf627ced684721ec8b3c11b4e4
SHA1

666966d8da987994b9ea1c47f929674e0dcd2f49
SHA256

a5c4c0dbafd5725b36af37b7db12fc857e8b770754130739747516ca21a0cb72
SHA512

9aa079fc46211b92924dd9a37e3088f5b7773548c5de66f00f2196c0545cfce216e37d3985fd1a133a617afdc69630f45a1f92871fe23612892d8037ca0640d3
SSDEEP

768:dz0AfmdapvbrRt213CKPUcIqG8iG9+f9zPhd0Xa+Mbyh:dYEmFCKxGCQV96Xa+Mbyh

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
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 5084	4504	AcroRd32.exe	93
PID 4504 wrote to memory of 5084	4504	AcroRd32.exe	93
PID 4504 wrote to memory of 5084	4504	AcroRd32.exe	93
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 4260	5084	RdrCEF.exe	94
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95
PID 5084 wrote to memory of 2072	5084	RdrCEF.exe	95

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\823b14bf627ced684721ec8b3c11b4e4.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:4504
- 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:5084
- - 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=9AFEE4ED6DAB9DB72B1BE1AE237129AE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4260
- - 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=2612847B99584F618D8BF43537D42560 --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=2612847B99584F618D8BF43537D42560 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2072
- - 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=F4BF75A468C8EA8EC210B58AE7CB057D --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4024
- - 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=8F188776F0F61C91C6FB07B3A276BD78 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- - 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=8659C876EC1CEEEA9E7F89907B68AFC2 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=3810FBBE7A72FC1C1ED38770EC2588E6 --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=3810FBBE7A72FC1C1ED38770EC2588E6 --renderer-client-id=7 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3348

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4456

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
8c0700c760be9a84723141427312604d

SHA1
b62e94bbd9d49e93eda7a49ed36ceda96d993e59

SHA256
73453eb09c0151e34944cdfc001405e081354d086eaa43e46971947c83579aec

SHA512
8870c7af2798a94aabc353990c0408126716ce0425e4d87be99c7117654bc81b202912dc8b297b47d0228bade0b5f7f783c30687040d5d305e413cd33d1f54bd

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