92e83f94639579b0917895e9db3aec2d2bb8ce4878bf1e36e4040fe75beb3d9a

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2024, 22:17

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General

Target

a079c9b240eaa4c8b40f33bebc18eb36.pdf
Size

70KB
MD5

a079c9b240eaa4c8b40f33bebc18eb36
SHA1

ea5ba1f9bca75d2d33ee7e5c0cec1cf583a015fb
SHA256

92e83f94639579b0917895e9db3aec2d2bb8ce4878bf1e36e4040fe75beb3d9a
SHA512

c07a33664cb2705920d2ccb239a3e91027cdcfe659d7a69a8c4241d52347621e9e4092f48e15394ccb7794f1865807509ba246ddcec337d379bb668f46ab2e26
SSDEEP

1536:omJ7K2js3yOvDkMyXbfLEZJSBnTjP/+KEg4jc5ExlIbspUuE5dCr:TJ2meyOvgMyXbsJ8P/+Bgyc5EzEGjES

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-1-5-21-3054445511-921769590-4013668107-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe
3416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 3992	3416	AcroRd32.exe	91
PID 3416 wrote to memory of 3992	3416	AcroRd32.exe	91
PID 3416 wrote to memory of 3992	3416	AcroRd32.exe	91
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 1944	3992	RdrCEF.exe	92
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	RdrCEF.exe	93
PID 3992 wrote to memory of 4952	3992	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\a079c9b240eaa4c8b40f33bebc18eb36.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:3416
- 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:3992
- - 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=1E55E15F94926C3BCD337FE7C080D05A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1944
- - 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=1E8EE421D2AC61ED00C8ACA704AAD388 --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=1E8EE421D2AC61ED00C8ACA704AAD388 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4952
- - 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=F07E8738BFCA84D1BD3BC9E868755080 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=EDBBCA4655D4DB883BEDDF44C7DC8587 --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=EDBBCA4655D4DB883BEDDF44C7DC8587 --renderer-client-id=5 --mojo-platform-channel-handle=1788 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1140
- - 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=7494FBBD91AD270FA103C393487D9868 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=91C1A6C21DEF83FE025D1E32722CF6AA --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:876

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1628

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
f152ac6f9c53243bfc87c14366cbdcc2

SHA1
7be97cfe5723a9054ca83784407687efac2a94bc

SHA256
2ce41dcfa1d8116829adab5022c0e9230a76bdf2aa90b76967eabb2c3832599b

SHA512
6414e1c74a263a72b004502ae641d2f88cff19fdca20e1094ce5048b0fa28fe800fcd0fb037a63621bce580f4f888291bf7830de036c4a6f22467b73303f8b90

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