186c3b5eb7e0c7a66501f0037000de085f1628a7b3d1460cb9a09deedb3c1764

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:32

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General

Target

078b4fbb22f5c43f00bb1f5879ccc79e.pdf
Size

83KB
MD5

078b4fbb22f5c43f00bb1f5879ccc79e
SHA1

ef7fc456e2e390b58a84762ecd8864afc0ef3655
SHA256

186c3b5eb7e0c7a66501f0037000de085f1628a7b3d1460cb9a09deedb3c1764
SHA512

92a6fbb8d23885efdb6e1e0bea0a03b57e1badc6bd5dccca1e48d16491f67e4da32cf0d7566744972bec341e8edfd6beab786cff5a1c488c26f62e059d91c6d1
SSDEEP

1536:NH7PcCyIhbxG3ookOsjwTEdXnVGaF0GsZrWapOtQ8JP6dWWjHTdkLt7twGu:R7PcCZVpLOsjNhnF0FqtQLdtHqLtBi

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 5068	2352	AcroRd32.exe	93
PID 2352 wrote to memory of 5068	2352	AcroRd32.exe	93
PID 2352 wrote to memory of 5068	2352	AcroRd32.exe	93
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 2664	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	RdrCEF.exe	95
PID 5068 wrote to memory of 1672	5068	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\078b4fbb22f5c43f00bb1f5879ccc79e.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:2352
- 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:5068
- - 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=655DC9D0981B9024A91932840D08B5B1 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2664
- - 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=08B10493E2FA272F7635A571D7BCB73F --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=08B10493E2FA272F7635A571D7BCB73F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1672
- - 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=46506D0D370D9B768DA2BBCE97C4EABE --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - 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=B65CF369E3F109910B66B1392023B419 --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=B65CF369E3F109910B66B1392023B419 --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2808
- - 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=2CBE6F56FEA767A4659A77DAC5B568AF --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4764
- - 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=3FFD1CCF4857C2E06A5E1870AABA7E87 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968

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
ad6a0e3fc61f9168b08f014e67959fba

SHA1
d0427e134190f4dd516ece767a1f140011d3fc88

SHA256
c475e2b0df083e6db65f53a18f4fe3274eecff075096eeb4ade07ebced896678

SHA512
a37045cb558097518b5435331b8fce44e1e07535cc4350bd53946c1daa81c10c6debeec8b10c3c4386d6fa01422b2b2f5742cb9cb4e4e729269d39c77f4334a0

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