636d530b19a9e53629188d6b4776530c9c068b61b790961009f85b6d58012140

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 22:34

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General

Target

05bde9905d43f9842db5f9841cc0b2d1.pdf
Size

23KB
MD5

05bde9905d43f9842db5f9841cc0b2d1
SHA1

ee30ac03a0cf9c1d57960b154deb42e72b523c8d
SHA256

636d530b19a9e53629188d6b4776530c9c068b61b790961009f85b6d58012140
SHA512

3fae600d6c062a035fdb427bac95c7c1301d80f95b00431455ce9cda46f3fa3897aa8c9e0238de7b1195a02c169dc41b7a6364a70ff3d95912b7fd71f05c3c87
SSDEEP

384:Jz8s+61y/ZjtsgFDHqc2hi1Ynh1ZxfiyuMsPDvKyEct80/:JRh1OZjtXDHoo1Ynh9fiKsP2yEct80/

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 4604	1324	AcroRd32.exe	91
PID 1324 wrote to memory of 4604	1324	AcroRd32.exe	91
PID 1324 wrote to memory of 4604	1324	AcroRd32.exe	91
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2480	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	RdrCEF.exe	94
PID 4604 wrote to memory of 4436	4604	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\05bde9905d43f9842db5f9841cc0b2d1.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324
- 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:4604
- - 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=0C6FA8B7E3CC6753C5DA62B2F5C3865F --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2480
- - 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=220912C7CE5FEBC6F9E4BF2C01813E39 --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=220912C7CE5FEBC6F9E4BF2C01813E39 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4436
- - 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=1B3E63ABA6F06617C4BDA2B7DC1CB432 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4680
- - 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=D58C5EEA7BCF264EFC7E3DABFEAC48E3 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2768
- - 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=641CEEE8914B655BEE02C5230A2E9AD2 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2452
- 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:3984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4988

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
f1c3066cf629e969c97faab91827094c

SHA1
3596ed6e4e5aee6b5caac593c59538982fbea887

SHA256
015797989ac5ca075eade9f58d6b8f829e2f4c61971a2e8cd45799036ff07efe

SHA512
922bc0bbaba4e0dcdbcdc9ef72b4a654a7750da1a4d12c4e045e44fa7bf915a0a2adf1b93d587a04546c834e641c0a94e69ab6e76062de0f7a029f3394486c1f

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