a6d80844970aaedc142c1565dae1396bc060b9384d3aa3e121daf904206a13e6

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 14:04

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General

Target

c0c5e9c81ab3585c3d20f44d0e6a3faa.pdf
Size

126KB
MD5

c0c5e9c81ab3585c3d20f44d0e6a3faa
SHA1

cb50481d3df2bf3d9a8eaef5c53602e6d8336907
SHA256

a6d80844970aaedc142c1565dae1396bc060b9384d3aa3e121daf904206a13e6
SHA512

199a37d589e9cb5d3473250c0b744625eedc62ba11f3a672b8fcc3886bd23d4b31189c51563d3c3ca4e99e732e911693966a5bb378f03e224bd7113a55c6b304
SSDEEP

3072:P54pxL+6WWG5qs0jcyPG8dTDfn9AsJvmWQT6SiKn5exWm+:ypdl3RLoiGcAsRmWQGI58I

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2288	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 3888	2288	AcroRd32.exe	93
PID 2288 wrote to memory of 3888	2288	AcroRd32.exe	93
PID 2288 wrote to memory of 3888	2288	AcroRd32.exe	93
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 4892	3888	RdrCEF.exe	96
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97
PID 3888 wrote to memory of 3432	3888	RdrCEF.exe	97

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\c0c5e9c81ab3585c3d20f44d0e6a3faa.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:2288
- 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:3888
- - 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=F45FE894703F85BA193934B7B9C7687D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=1D7E6977960BDE49411279BB549C40E2 --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=1D7E6977960BDE49411279BB549C40E2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432
- - 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=D2B3BB87B6BB0238F98237CCFA7DF0A8 --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=D2B3BB87B6BB0238F98237CCFA7DF0A8 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1912
- - 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=22A8589035701FE700D4BF97FC6FCF12 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3592
- - 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=F07AAE163634CC49F3A68889D1F82CF2 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4304
- - 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=1AD3FD3A88E314F2590A833F20599E27 --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3568

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
03166b783fbeb2ff0a12162f72b42908

SHA1
fcd750a9c8fde81c3ec0a18a89af5adc47947af8

SHA256
ee6efd4506ebec5fa6168f93230ce3f0ce3db9b7579c549eeb8e97ab4ee8652d

SHA512
001bf3ea34f5742b9784c81e82097ca1d41c289a6bc405a58447025a2bfc95b9f343599a3681a88df31f64cd39565a793669f2bcfeb37c6ccea674644e2fe94d

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