dba938964b6e6e890bab2187dddf8edd02d354a71d790385f093563c6ca850f7

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 11:17

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General

Target

8c30c55c5764e692e010f8b6793ac357.pdf
Size

88KB
MD5

8c30c55c5764e692e010f8b6793ac357
SHA1

ad94e3ecb29f112e4477430a27a332a2430b3fff
SHA256

dba938964b6e6e890bab2187dddf8edd02d354a71d790385f093563c6ca850f7
SHA512

776df846f606e9c290f2ce21145def20d5a08b6a31f5490daef04327886ea39eb7a846f3718bd3bbcdcbeca9343f991a77d1ae895045ccb05ba63877d4b53c85
SSDEEP

1536:RfPOk6LEFQ3AEWjzEzKpMLhz7eRAKR5whWGFX28OSJWuKJaww97WJ3X5f8po0r57:NPOkpeR2cFzKD5bGFGFSJWuwa9+Zf8hN

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 660 wrote to memory of 4908	660	AcroRd32.exe	87
PID 660 wrote to memory of 4908	660	AcroRd32.exe	87
PID 660 wrote to memory of 4908	660	AcroRd32.exe	87
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 768	4908	RdrCEF.exe	90
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91
PID 4908 wrote to memory of 3424	4908	RdrCEF.exe	91

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\8c30c55c5764e692e010f8b6793ac357.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:660
- 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:4908
- - 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=7C39A800D393D7FB3350B3255C0CB19A --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:768
- - 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=5025DF915624408983BB95F23E8816E9 --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=5025DF915624408983BB95F23E8816E9 --renderer-client-id=2 --mojo-platform-channel-handle=1784 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3424
- - 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=8074F299FBE362C46887D5E8499538E3 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640
- - 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=CBFC7D6C5E33C7E1CD7C8DCE6E4A4D38 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5024
- - 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=6DB25D4C3B7B34FA87E26C5F820551ED --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=6DB25D4C3B7B34FA87E26C5F820551ED --renderer-client-id=6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2144
- - 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=C6B7C170A439BE30526D44122FB5D101 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1388

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1040

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
b5649afc29c87fb6e8390d5322e7fbb8

SHA1
19824d630603c2482d1e41c456cf45fe1ee31112

SHA256
895041085862dc9f6947501221db421bde6919d07b6401841f7d9b643ccc08d5

SHA512
7d9ea5b33e3fefd118c6b18883ffd87c86341149057a4a601c37b1f69ef244b86cc2c7b1d3a535532252b1b9cb3ead007f0cd8daddfa63c3796dd093337eaee0

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