59e6a75cf27a5b59e035bf5c53af5f482e7bd79e7b64927c03537899c5304273

Analysis

max time kernel
152s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2024 19:52

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General

Target

4c504f303ba654b89248dd560ac396eb.pdf
Size

84KB
MD5

4c504f303ba654b89248dd560ac396eb
SHA1

9528207452335352cf93ff0db58873058f8ea82b
SHA256

59e6a75cf27a5b59e035bf5c53af5f482e7bd79e7b64927c03537899c5304273
SHA512

ae95d7ca1c6199f44a00b4b92a94ad249a4c5c6531ed306a303a9544a0c9d055f7d9e056e3e1aa280b4cf01e8cdd59aa9f457bc073c9cf4b4d92b8b8f431b454
SSDEEP

1536:a1vcibAfo7+dkS9gOr/+9Efq0AesBXU+r5kIayCuHqP9wIJpW+galJwFGAwWQpOj:cvciEfo7+dkST/XqbJX1KI0VJ9rJFAfj

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe
1792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 996	1792	AcroRd32.exe	92
PID 1792 wrote to memory of 996	1792	AcroRd32.exe	92
PID 1792 wrote to memory of 996	1792	AcroRd32.exe	92
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 4668	996	RdrCEF.exe	93
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	RdrCEF.exe	94
PID 996 wrote to memory of 3316	996	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\4c504f303ba654b89248dd560ac396eb.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:1792
- 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:996
- - 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=98A6587A238210F80E4B3EFEAD9FDB9A --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4668
- - 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=64C11AA33C6CEC8F2951F1416A1A0200 --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=64C11AA33C6CEC8F2951F1416A1A0200 --renderer-client-id=2 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3316
- - 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=1F037B9C8E7FC819FE76E953452353FA --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3916
- - 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=8DE7F7E74F89247FF4AB6C01DD3FAE06 --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=8DE7F7E74F89247FF4AB6C01DD3FAE06 --renderer-client-id=5 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3240
- - 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=7B5FC4347A891F34055EEB1D8F07881C --mojo-platform-channel-handle=1792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2100
- - 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=2209151EE1BC90A7EEE952FC2AA8FE3C --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1868

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
60bd0f7c682666ba31775a6de69ed00c

SHA1
8d0475fafe36762e90fbcb523e337bbf0a35fa6d

SHA256
d468cfd18c5d988fa7afea6b28838decfcb6ec80d91f0e881ae9b7a9c4166d03

SHA512
5b25f96f4af06b26e84dfb09a3b26b861a9b883225950e333e969af5571a99030ffb3f33bc56bafbd6c215a26595a9e78e99a03c79e88f6dd1333956b26dc18d

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