829d7f6722efcf86fcb984ef2fdded5fedd13b9430d9e0b78835f7791b10ebf1

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:54

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General

Target

6a3a5f5886763a11f3c933855206c6d3.pdf
Size

35KB
MD5

6a3a5f5886763a11f3c933855206c6d3
SHA1

c8a85ba98669ba59deff54bce2f9fac13ad1e91a
SHA256

829d7f6722efcf86fcb984ef2fdded5fedd13b9430d9e0b78835f7791b10ebf1
SHA512

470501d2b85daee48d8255e48a065910854ea445c8b2dbcb88298b4693369f54a0b131a88e572c4443294ab0c438c02b8cae89a45f041fd30f72acf93eed9bf2
SSDEEP

768:GKOS2yHfd+9iMVfros+0QfCj5T/m3316h3Ti7Iv2+tuI3cC6l9QHUcXtI:Gc+8AfM08Cdb41x7I++tuqcC6SUcXtI

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3320	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe
3320	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3320 wrote to memory of 4784	3320	AcroRd32.exe	92
PID 3320 wrote to memory of 4784	3320	AcroRd32.exe	92
PID 3320 wrote to memory of 4784	3320	AcroRd32.exe	92
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4196	4784	RdrCEF.exe	93
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4920	4784	RdrCEF.exe	94

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\6a3a5f5886763a11f3c933855206c6d3.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:3320
- 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:4784
- - 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=94CC8C299C89E334E58B39308BA4F89E --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4196
- - 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=4D1C335117B2F0D55F88BC9FBE701325 --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=4D1C335117B2F0D55F88BC9FBE701325 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4920
- - 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=9F7D8D53472D39636E89748F3C8A1813 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- - 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=4B7DDE86BA76803238CE909AAF1CEAEE --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732
- - 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=6472CBA1EA410AF957DEAC951744F494 --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=6472CBA1EA410AF957DEAC951744F494 --renderer-client-id=6 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=1C6AD407B00AD18EBA13A3A04B64CFAD --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1196

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4636

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
edde029b54c4c6fc6fa131f208a97a9b

SHA1
c72e6de6c6d0f9b494f51139bd63abd65741b3e5

SHA256
bed4a81a9fe20fbfd2e21b71a3702559b16a3170e8deea47c8a8b33eeb87e056

SHA512
87c8c90f00eb484808f04d4c9d6bd0164ace9014bcd29642c7484f1516119625046da8f02205c46b69eeb959e59202114941799505eca2350977a272c9320830

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