b8dcdabf78b3b16ca15e46ac889e0cd72c092b221e6eb02adeef7a157192ce47

Analysis

max time kernel
4s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 12:20

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General

Target

6e03c9f0f374e7f37bd2c94801b58a78.pdf
Size

149KB
MD5

6e03c9f0f374e7f37bd2c94801b58a78
SHA1

dc0f4510cdccf9cc4d46abc5e938c3ce35b14dee
SHA256

b8dcdabf78b3b16ca15e46ac889e0cd72c092b221e6eb02adeef7a157192ce47
SHA512

67b68432544529c3b3febeb53e38a502b62cce39c20259764af53db67fb5ed52f70c0433c1697cd55317eeaa011e18071d561575eaf16f426e4b2b91f1eb8f87
SSDEEP

3072:4mcZ4dOHz7wU1ezSQnaeGoi8ki7KT0N6DkIrtVPBl1TI2Czc/CX:YVczgdZTsy0N6DNrr71+g4

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 2600	4936	AcroRd32.exe	91
PID 4936 wrote to memory of 2600	4936	AcroRd32.exe	91
PID 4936 wrote to memory of 2600	4936	AcroRd32.exe	91
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 2780	2600	RdrCEF.exe	93
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92
PID 2600 wrote to memory of 4448	2600	RdrCEF.exe	92

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\6e03c9f0f374e7f37bd2c94801b58a78.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4936
- 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:2600
- - 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=83749C1E3710EB604E3F3B8FCFB9F744 --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=83749C1E3710EB604E3F3B8FCFB9F744 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4448
- - 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=B42D11B24C55E65316AA8E0CE52C1A4B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2780
- - 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=5FFBE0EBFC75C6F91EA8BEE9CE3E72E7 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1000
- - 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=247A890CA1B4E2F7FFE0DDA353BAD36A --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508
- - 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=3A7B24D80BFC2B09D02A44ED3A258C44 --mojo-platform-channel-handle=2264 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548
- - 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=500C772CDC36D63F8D2DE763919D0B4A --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=500C772CDC36D63F8D2DE763919D0B4A --renderer-client-id=8 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1328

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
f385f9e2f61af98f90abf6727e86a121

SHA1
c9eb7d85e1dd5cada12caf59dd748a3ddae2abef

SHA256
41da2a44fa1877f8a8404f3cfa79a98713473230559573ebb27232dd5f1475fe

SHA512
7a73d38315e4da3d2aa08f2862d8bf1301924fc2715a453cd7b77aa0b4166f8ccae79a29f453a101fe7fd56354807e92bb0d1f38d67f2a9528920c4abf2d4a30

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4936-26-0x000000000EAB0000-0x000000000EB00000-memory.dmp

Filesize
320KB

Download