aaba86c3a9c8f545fccf06bc894fde24473f8185fc5869755dc2f88fa4c5a4f6

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
26/12/2023, 12:01

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General

Target

6cd8370d5aa73d2f0b5d742528e04a8e.pdf
Size

77KB
MD5

6cd8370d5aa73d2f0b5d742528e04a8e
SHA1

ec6bc54be7f9654fe212a72e240d2a1a0b87421f
SHA256

aaba86c3a9c8f545fccf06bc894fde24473f8185fc5869755dc2f88fa4c5a4f6
SHA512

88cc01f1af31b31bcd2e855c73a03e3d18b00f180c1f3fed062c181920acf2694dcf7f8cb77c62aa5515c7b54c09f42f0f2ab0958424b1f5b8483d7e1b541bb2
SSDEEP

1536:UOABgKKQPhZRMbZ74pVBCFpD+5aHALLwP9WQH7+uW6pOu2Opd+NWzFivq49xNU:RAqKK2RQ8pVBCF7ME9iru2O3+tlU

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 5068	1680	AcroRd32.exe	91
PID 1680 wrote to memory of 5068	1680	AcroRd32.exe	91
PID 1680 wrote to memory of 5068	1680	AcroRd32.exe	91
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2144	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2040	5068	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\6cd8370d5aa73d2f0b5d742528e04a8e.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:1680
- 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=45D60F04850CA463E58218503DDB385C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A6C90AA4CB5B168EF5984F91749DC9AC --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=A6C90AA4CB5B168EF5984F91749DC9AC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2040
- - 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=209F29EC137C7E542D00F0A6061DDD1F --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1776
- - 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=D9A154FE214C7A97FFC77BCC1D54BE17 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=C3DDD1D9BB0EF22C61686B7728E386EC --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=C3DDD1D9BB0EF22C61686B7728E386EC --renderer-client-id=6 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3552
- - 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=288F8668B609BC3BEB2F8409FB935B96 --mojo-platform-channel-handle=2820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3156

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4152

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
9537921ebd4152f68041f37a1d264be2

SHA1
d7873612dfb6eba932cb8443fe7d6fabdc3a5c17

SHA256
fb19684e6839eef10bc5e096635bd60156b4b23d9e440f29cfb47f33c9389e93

SHA512
e0f7136f9b32811b664cfb48b4952a757b581c35e25f72d5f15aadea68cea712f0dcdb59cd90285e264d5966b6f64ff28f7717d889deebb4a23d464039193419

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