7d74530c6efad4cf313aff1efd9c6b1c31ae532ee8ec4c0f940b30034883837f

Analysis

max time kernel
148s
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
04/01/2024, 18:15

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General

Target

4193bc4289618a59ad112c055c89001c.pdf
Size

13KB
MD5

4193bc4289618a59ad112c055c89001c
SHA1

d03a1db71787cb7047fb8c244a012b9d256a14ea
SHA256

7d74530c6efad4cf313aff1efd9c6b1c31ae532ee8ec4c0f940b30034883837f
SHA512

7e4fdef8c7d9ec2fb83699d7eb3248ade5750e4694f505d625d60af1d7e741c3fc9b59f8bb49a5a52c07bb29ec2e3cf345f0c943d3cda5295b72c90fd4b165f7
SSDEEP

192:5QhzajYqwAO9G+/vCmnmNTy1yJZJ0Zhrx7Rv5VCXEARvQNi/60un/TwWzz3:OhzaNwAO9GiCHZLJ0ZhrrOQi/60G7wuj

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 behavior: EnumeratesProcesses 20 IoCs

pid	Process
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 2148	3160	AcroRd32.exe	92
PID 3160 wrote to memory of 2148	3160	AcroRd32.exe	92
PID 3160 wrote to memory of 2148	3160	AcroRd32.exe	92
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 1004	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2924	2148	RdrCEF.exe	93

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\4193bc4289618a59ad112c055c89001c.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:3160
- 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:2148
- - 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=0103CF2BB67B52B54AFE01F492BE32E7 --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=0103CF2BB67B52B54AFE01F492BE32E7 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2924
- - 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=5232F2469C24E0B0F80D054C026B1886 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004
- - 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=8928E4A59866A77A0E42557610E8C7D3 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=F4A1DFC096410052A3983DC710309D35 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1252
- - 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=5966410FA03FCF1ACED7F65B84B99073 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540
- - 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=77B15E42D43047C7325DCF960B1EFE00 --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=77B15E42D43047C7325DCF960B1EFE00 --renderer-client-id=8 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2672

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4100

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
16267931a0981e6dbe2b64ebce481e49

SHA1
08be655001ee5f6669b8d3db802ebcf9399276e2

SHA256
c4a9e12b5d9d008bedfacd2cb40fba966924585b1c1be99b74b702d16cc4d5ca

SHA512
4b6066a3c0b774ddf45b2f3125fd2f4e41981c576e9b82474384cdb8c8b30fe36086ebf0137e5bbb0b4a55ddeea136b260501eac5eb8177d89414f7f27c74696

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