00ca4ac6698b7d32d988e8a05ee116bb6a9ff810b362302177dd26c2a87421a6

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2024, 15:04

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General

Target

6fbc2b50fec8802b51e588463cb314de.pdf
Size

92KB
MD5

6fbc2b50fec8802b51e588463cb314de
SHA1

6e84f980b53a7be51eba5c9556152d7a24f23af1
SHA256

00ca4ac6698b7d32d988e8a05ee116bb6a9ff810b362302177dd26c2a87421a6
SHA512

8d65076946b2ef19cf5b856965a4ddf80498b485d3a8bae224cd7252804fa93ebb754b84f951eaa6fba54c20e83bf9fdd74d778ccf7aba8976b6f46f1d16ff87
SSDEEP

1536:B3KVw+BbnesakDiUKByW4Wl1qtdBVNujjPEQlWwNc5sk/1IWapOtQb9EnJXuFrZ:9KvBisa6p27fQdBVNujMINc+WxtQCJ+7

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5016	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe
5016	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 3896	5016	AcroRd32.exe	91
PID 5016 wrote to memory of 3896	5016	AcroRd32.exe	91
PID 5016 wrote to memory of 3896	5016	AcroRd32.exe	91
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3232	3896	RdrCEF.exe	92
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93
PID 3896 wrote to memory of 3412	3896	RdrCEF.exe	93

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\6fbc2b50fec8802b51e588463cb314de.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:5016
- 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:3896
- - 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=38C683687E196D751911EBCAC4609332 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3232
- - 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=49B6FC0836F10660D967CCCE74AAEB7D --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=49B6FC0836F10660D967CCCE74AAEB7D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3412
- - 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=2B060330A027F4F4FFACC79C0C8182ED --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - 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=D0972928492CA5DF39E78A6DCA0A7B3E --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=D0972928492CA5DF39E78A6DCA0A7B3E --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2524
- - 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=6E714D5DED215090D4FAC8021C757092 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6012
- - 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=8A99B08A70EE57240EE3AD7AE39D7364 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1724

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4276

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
dc10e447a7c4c84154a4a6525d19541e

SHA1
d48565f6c79ed81e306cc464846d3de9da580ee6

SHA256
de5459237fd059d125860cb7adce1493ef61226b5665a714ff22a4f6245ca24b

SHA512
eb073ea5c2b6e353a074449cdb3bc17faaf7c9f876bbf7a915551e536bf3ad96068b143bfd59661103db60ce06cfed2af565b9226d791997d9006ca352594d9a

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