f9a5d31c8ab88b5257168fd9938c18cc629f90f65e00f10c8792df47469b7fbe

Analysis

max time kernel
201s
max time network
217s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 14:21

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General

Target

25157fcf6bbf51b42e469b60442c36c0.pdf
Size

78KB
MD5

25157fcf6bbf51b42e469b60442c36c0
SHA1

0a16dc5bfc0d113db2bdbdbaf8dd3cfbd59b6257
SHA256

f9a5d31c8ab88b5257168fd9938c18cc629f90f65e00f10c8792df47469b7fbe
SHA512

8d660308a294de2cf24b8ad3743436aa1bb81fcb9e350fd52ea89855470162a30efe02941ce2d91cf013b7e5914fedb7db4bd5d1f974685634592e1dce852c7f
SSDEEP

1536:DPrq0sblxQi3wYAs60NEHMerVZDRWKVlfWk6DZWbpON9HlJCHhW:Bmk5WKserHDlVlcDbN9lJJ

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5060	AcroRd32.exe
5060	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5060	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe
5060	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 4840	5060	AcroRd32.exe	101
PID 5060 wrote to memory of 4840	5060	AcroRd32.exe	101
PID 5060 wrote to memory of 4840	5060	AcroRd32.exe	101
PID 5060 wrote to memory of 3928	5060	AcroRd32.exe	103
PID 5060 wrote to memory of 3928	5060	AcroRd32.exe	103
PID 5060 wrote to memory of 3928	5060	AcroRd32.exe	103
PID 5060 wrote to memory of 528	5060	AcroRd32.exe	105
PID 5060 wrote to memory of 528	5060	AcroRd32.exe	105
PID 5060 wrote to memory of 528	5060	AcroRd32.exe	105
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 4464	528	RdrCEF.exe	106
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107
PID 528 wrote to memory of 512	528	RdrCEF.exe	107

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\25157fcf6bbf51b42e469b60442c36c0.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:5060
- 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⤵
  PID:4840
- 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⤵
  PID:3928
- 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:528
- - 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=AFD77DF383124A2C95A7050B2AAD2CD5 --mojo-platform-channel-handle=1740 --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=C226084C95AD5A106719CFAF33029261 --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=C226084C95AD5A106719CFAF33029261 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:512
- - 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=8C5F262081FC6324DF0D0BCBDCB70E1D --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1228
- - 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=29BFF73745B876D51D6B7098434D29DC --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:864
- - 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=52280E167DD156EEED8F641571A03DD7 --mojo-platform-channel-handle=1296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- 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⤵
  PID:388

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4392

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit